Ohaus balances Q&A
Ohaus offers laboratory balances for virtually every level of weighing, from routine educational applications to advanced analytical research. Whether you choose an entry-level Pioneer, a versatile Adventurer, or the flagship Explorer Series, you get reliable weighing performance, intuitive operation, and durable construction.
OHAUS balances are also known for their user-friendly software, integrated weighing applications, excellent repeatability, and modern connectivity options. Many advanced models feature AutoCal™ automatic internal calibration, helping maintain weighing accuracy with minimal operator intervention.
OHAUS has an extensive global service network. Replacement parts, accessories, calibration services, and technical support remain available for many years after purchase, helping laboratories maximize the useful life of their equipment.
Key Advantages
- Over 100 years of weighing expertise.
- Broad product range for education, research, and industry.
- Reliable weighing performance and repeatability.
- User-friendly operation with intuitive interfaces.
- AutoCal™ automatic calibration on many models.
- Wide selection of capacities and readabilities.
- Extensive accessories and connectivity options.
- Worldwide service and technical support.
For laboratories seeking dependable weighing equipment backed by decades of engineering experience and global support, OHAUS remains one of the most trusted names in laboratory balances.
2. What Applications Are OHAUS Laboratory Balances Designed For?
OHAUS laboratory balances are designed to support an exceptionally broad range of weighing applications across scientific, industrial, educational, and commercial laboratories. Rather than focusing on a single industry, OHAUS offers specialized balance families capable of meeting the accuracy, capacity, and documentation requirements of many different environments.
Analytical balances are commonly used for preparing chemical standards, pharmaceutical formulations, analytical chemistry, microbiology, gravimetric analysis, and research requiring extremely precise measurements. Precision balances are frequently selected for sample preparation, industrial quality control, formulation, production support, inventory verification, and routine laboratory weighing.
Many OHAUS models also include built-in applications that simplify specialized tasks such as parts counting, checkweighing, dynamic weighing, density determination, percentage weighing, differential weighing, statistical analysis, pipette calibration, and formulation. These integrated applications help laboratories improve efficiency while reducing manual calculations.
Typical Applications
- Chemical analysis
- Pharmaceutical laboratories
- University research
- Educational laboratories
- Food and beverage testing
- Environmental analysis
- Industrial quality control
- Manufacturing
- Formulation and compounding
- Density determination
- Sample preparation
- Parts counting
- Statistical quality control
- Pipette calibration
Because OHAUS manufactures balances across multiple performance levels, organizations can often standardize on a single manufacturer while selecting models appropriate for each department's specific weighing requirements.
3. What Is the Difference Between Analytical, Precision and Semi-Micro Balances?
The primary differences between analytical, precision, and semi-micro balances are readability, weighing capacity, and the level of measurement accuracy they provide.
Precision balances are designed for general laboratory and industrial weighing where extremely fine resolution is not required. They typically offer readabilities ranging from 1 g to 0.001 g (1 mg) and are well suited for sample preparation, formulation, quality control, production, and educational laboratories.
Analytical balances provide significantly higher measurement resolution, most commonly 0.0001 g (0.1 mg). They are equipped with draft shields to minimize the effects of air movement and are widely used in analytical chemistry, pharmaceutical laboratories, research, and applications where highly accurate measurements are essential.
Semi-micro balances provide even greater precision, often offering readabilities of 0.01 mg (0.00001 g) while maintaining useful weighing capacities. They are intended for highly demanding research, pharmaceutical development, forensic science, reference laboratories, and other applications where extremely small measurement differences must be detected reliably.
Typical Comparison
| Balance Type | Typical Readability | Common Applications |
|---|---|---|
| Precision Balance | 1 g to 0.001 g | Routine laboratory work, production, quality control |
| Analytical Balance | 0.0001 g (0.1 mg) | Analytical chemistry, pharmaceuticals, research |
| Semi-Micro Balance | 0.00001 g (0.01 mg) | Advanced research, reference laboratories, pharmaceutical development |
Choosing the appropriate balance depends on the smallest measurement differences your work requires, the sample sizes being weighed, and the level of accuracy specified by your laboratory procedures.
4. How Accurate Are OHAUS Laboratory Balances?
Modern OHAUS analytical balances typically provide 0.1 mg readability, while semi-micro models can measure as finely as 0.01 mg. Precision balances are available with a wide range of readabilities suitable for routine laboratory and industrial weighing.
To help maintain measurement accuracy over time, many advanced OHAUS balances incorporate AutoCal™, which automatically performs internal calibration whenever environmental changes could influence weighing performance. Combined with proper leveling, stable room temperature, vibration control, and routine maintenance, this helps laboratories obtain highly consistent results.
It is also important to distinguish between readability and overall measurement accuracy. Readability describes the smallest increment displayed on the balance, whereas overall accuracy also depends on repeatability, linearity, calibration, and environmental influences.
When installed and operated correctly, OHAUS balances are capable of providing the reliable performance required for scientific research, pharmaceutical analysis, industrial quality control, and regulatory laboratory testing.
5. Which Industries Commonly Use OHAUS Balances?
OHAUS laboratory balances are used across a wide variety of industries that require reliable and precise weighing. Their broad product portfolio allows organizations to select instruments appropriate for everything from routine educational use to advanced scientific research.
Some of the most common industries include:
- Pharmaceutical manufacturing
- Biotechnology
- Chemical laboratories
- Universities and research institutions
- Food and beverage testing
- Environmental laboratories
- Mining and materials testing
- Industrial manufacturing
- Quality control laboratories
- Medical and healthcare laboratories
- Cosmetics manufacturing
- Agriculture
- Forensic science
- Electronics manufacturing
Within these industries, OHAUS balances support applications such as formulation, sample preparation, gravimetric analysis, quality assurance, incoming inspection, process control, density determination, pipette calibration, and laboratory research.
Their combination of dependable weighing performance, intuitive software, and extensive model selection has made OHAUS one of the most widely recognized laboratory balance manufacturers worldwide.
6. Why Are OHAUS Balances Popular in Universities and Teaching Laboratories?
Students can learn weighing principles using intuitive user interfaces while instructors benefit from consistent performance across multiple laboratory workstations. Because OHAUS offers several product families, institutions can equip introductory teaching laboratories with economical models while reserving higher-performance analytical balances for advanced research and graduate-level instruction.
The durability of OHAUS balances is another significant advantage. Laboratory instruments used in educational settings often experience frequent daily use by many different operators. OHAUS balances are designed to withstand these demanding environments while maintaining reliable performance over many years.
In addition, the availability of accessories, replacement parts, technical support, and calibration services helps educational institutions maximize the value of their laboratory equipment investments.
7. What Capacity and Readability Should I Choose?
Selecting the proper laboratory balance begins with understanding two fundamental specifications: capacity and readability.
Capacity is the maximum weight that the balance can safely measure, while readability is the smallest increment displayed by the balance. Both specifications should be selected based on the intended laboratory application rather than simply choosing the highest available precision.
For example, a laboratory weighing several hundred grams of chemicals for routine production may benefit from a higher-capacity precision balance, whereas pharmaceutical laboratories preparing analytical standards often require an analytical balance with 0.1 mg readability. Research applications involving extremely small samples may require a semi-micro balance capable of resolving 0.01 mg differences.
Selecting a balance with substantially greater precision than required may increase costs without improving laboratory productivity, while choosing insufficient readability can reduce measurement reliability and compromise analytical results.
General Guidelines
| Application | Typical Readability |
|---|---|
| Routine industrial weighing | 1 g to 0.1 g |
| General laboratory weighing | 0.01 g to 0.001 g |
| Analytical laboratory work | 0.0001 g (0.1 mg) |
| Advanced research | 0.00001 g (0.01 mg) |
When selecting an OHAUS laboratory balance, it is generally advisable to choose a model that comfortably accommodates both your largest expected sample and the smallest measurement differences your procedures require. This approach helps ensure accurate, efficient, and reliable weighing both now and as laboratory requirements evolve.
OHAUS Balance Series
What Is the Difference Between Explorer, Adventurer and Pioneer Balances?
The Explorer, Adventurer, and Pioneer Series represent OHAUS' three primary laboratory balance families, each designed for different levels of laboratory performance, functionality, and budget.
The Explorer Series is OHAUS' flagship laboratory balance. It is designed for demanding research, pharmaceutical, and analytical laboratories where exceptional accuracy, advanced weighing applications, regulatory compliance, and workflow efficiency are essential. Explorer balances feature a large color touchscreen, intuitive user interface, advanced connectivity, multiple application modes, and—on many models—AutoCal™ automatic internal calibration. They are well suited for laboratories performing complex weighing procedures, formulation, density determination, differential weighing, and data-intensive workflows.
The Adventurer Series occupies the middle of the OHAUS laboratory balance range. It offers many of the capabilities found in premium laboratory balances while remaining more affordable than the Explorer Series. Adventurer balances feature a modern touchscreen with physical navigation keys, multiple built-in applications, excellent weighing performance, and optional internal calibration on selected models. They are widely used in quality control laboratories, universities, industrial facilities, food laboratories, and routine research environments where versatility and ease of use are important.
The Pioneer Series is designed for dependable everyday laboratory weighing. Rather than emphasizing advanced software and specialized applications, Pioneer balances focus on delivering accurate, reliable results through a straightforward and user-friendly interface. They are commonly selected by educational institutions, routine laboratory testing facilities, manufacturing plants, and laboratories requiring dependable performance at an economical price.
Typical Comparison
| Series | Best Suited For | Key Advantages |
|---|---|---|
| Explorer | Research, pharmaceutical, analytical and advanced laboratories | Highest performance, AutoCal™, color touchscreen, advanced applications and connectivity |
| Adventurer | Quality control, universities, industrial and general laboratory work | Excellent balance between features, performance and price |
| Pioneer | Routine laboratory weighing, education and manufacturing | Reliable operation, simple interface and outstanding value |
All three series are manufactured to OHAUS' high quality standards and provide excellent weighing performance. The choice generally depends on the complexity of the weighing tasks, desired features, documentation requirements, and available budget rather than weighing accuracy alone.
What Are the Advantages of the OHAUS Explorer Series?
The Explorer Series is widely recognized as OHAUS' most advanced family of laboratory balances. Designed for professional laboratories that demand exceptional performance, it combines high weighing accuracy with sophisticated software, intuitive operation, and extensive application capabilities.
One of the Explorer's defining features is its large color touchscreen, which simplifies operation and allows users to access weighing applications quickly. Many models also incorporate AutoCal™, an automatic internal calibration system that helps maintain weighing accuracy by compensating for changes in environmental conditions.
Explorer balances include numerous integrated applications such as formulation, density determination, dynamic weighing, differential weighing, parts counting, percent weighing, statistical analysis, checkweighing, pipette calibration, and peak hold. These functions reduce the need for external software while improving laboratory productivity.
Connectivity is another major strength. Depending on the model, Explorer balances support USB, RS232, Ethernet, and optional wireless communication, making integration with laboratory information systems and data management software straightforward.
Key Advantages
- OHAUS' flagship laboratory balance platform.
- Excellent weighing performance and repeatability.
- AutoCal™ automatic internal calibration on many models.
- Large color touchscreen with intuitive operation.
- Extensive built-in weighing applications.
- Comprehensive connectivity options.
- Designed for GLP/GMP documentation and regulated laboratories.
- Durable construction suitable for intensive daily use.
For laboratories requiring advanced functionality without compromising weighing performance, the Explorer Series remains one of the most capable laboratory balance platforms available.
10. When Should I Choose an OHAUS Adventurer Balance?
The Adventurer Series is an excellent choice for laboratories that require more functionality than an entry-level balance but do not necessarily need all of the advanced capabilities of the Explorer Series.
Adventurer balances are particularly well suited for routine analytical work, quality control, educational laboratories, industrial testing, food laboratories, and research facilities that perform a wide variety of weighing tasks each day. Their combination of touchscreen operation, physical navigation keys, multiple weighing applications, and excellent performance makes them easy to learn while remaining highly versatile.
Many laboratories choose the Adventurer Series because it offers an attractive balance between performance, features, and cost. Selected models also include internal calibration, helping maintain reliable weighing performance with minimal operator intervention.
Typical Applications
- Quality control laboratories
- University teaching laboratories
- Industrial laboratories
- Food and beverage testing
- Chemical laboratories
- General research
- Routine pharmaceutical weighing
- Manufacturing inspection
For organizations seeking a professional laboratory balance that delivers advanced functionality without the premium investment required for a flagship research instrument, the Adventurer Series is often an excellent solution.
11. Is the OHAUS Pioneer Series Suitable for Routine Laboratory Work?
Rather than focusing on advanced software functions, Pioneer balances emphasize consistent weighing accuracy, intuitive operation, and durable construction. This makes them particularly popular in educational laboratories, manufacturing quality control departments, environmental laboratories, food testing facilities, and general scientific laboratories.
Despite their straightforward design, Pioneer balances provide the weighing performance required for many routine laboratory procedures, including sample preparation, formulation, quality control testing, and basic analytical work.
Advantages of the Pioneer Series
- Excellent value for routine laboratory weighing.
- Easy operation with minimal training.
- Reliable and repeatable weighing performance.
- Durable construction for daily laboratory use.
- Suitable for educational and industrial environments.
- Available in a wide range of capacities and readabilities.
For laboratories that require dependable daily performance without advanced research-oriented features, the Pioneer Series represents one of the strongest value propositions in the OHAUS laboratory balance portfolio.
12. What Makes OHAUS Balances a Good Long-Term Investment?
Laboratory balances are often expected to remain in service for many years, making long-term reliability just as important as initial purchase price. OHAUS balances have built a strong reputation for durability, dependable performance, and continued manufacturer support, making them a sound investment for many laboratories.
One important advantage is the availability of replacement parts, accessories, calibration services, and technical support through authorized distributors. This helps laboratories extend the service life of their equipment rather than replacing balances prematurely.
OHAUS also designs its balances with durable construction, high-quality weighing mechanisms, and intuitive software that remains easy to use throughout the instrument's lifetime. Because many product families share similar operating principles and accessories, laboratories can often standardize training while simplifying maintenance and operation.
For organizations investing in laboratory equipment with an expected service life of ten years or more, the combination of reliability, serviceability, and broad product support contributes to a lower total cost of ownership over time.
13. What Are the Newest OHAUS Balance Technologies?
Among the most recognizable innovations is AutoCal™, OHAUS' automatic internal calibration system, which performs calibration when environmental changes could affect measurement accuracy. Many advanced models also feature large color touchscreens that streamline navigation and reduce training time.
Integrated application software enables laboratories to perform complex weighing tasks directly on the balance, including formulation, density determination, dynamic weighing, checkweighing, differential weighing, and statistical analysis. Advanced connectivity options—including USB, RS232, Ethernet, and optional wireless interfaces on selected models—allow balances to communicate efficiently with printers, computers, and laboratory information management systems.
Accuracy & Performance
14. How Often Should an OHAUS Balance Be Calibrated?
Regular calibration is essential for maintaining accurate and reliable weighing results. While there is no single schedule suitable for every laboratory, the appropriate calibration frequency depends on the balance type, laboratory environment, regulatory requirements, and how frequently the instrument is used.
As a general guideline, laboratories should verify or calibrate their balances whenever they are first installed, after being moved, following maintenance or repairs, after significant changes in room temperature, and at regular intervals established by the laboratory's quality management system.
Laboratories operating under GLP, GMP, ISO 17025, or other regulated quality systems often follow documented calibration schedules that may require daily verification with certified weights and periodic professional calibration.
Many advanced OHAUS balances include AutoCal™, which automatically performs internal calibration when environmental conditions change. Although this feature helps maintain weighing performance, it does not replace routine performance verification using certified test weights when required by laboratory procedures.
Typical Calibration Guidelines
| Situation | Calibration Recommended |
|---|---|
| Initial installation | Yes |
| After relocating the balance | Yes |
| Following maintenance or repair | Yes |
| Significant temperature change | Yes |
| Routine laboratory schedule | According to SOPs or quality system |
| Accredited laboratories | As specified by regulatory requirements |
Proper calibration not only improves weighing accuracy but also helps ensure traceable, repeatable, and defensible measurement results.
15. What Is AutoCal™ and How Does It Work?
AutoCal™ is OHAUS' automatic internal calibration system, available on many Explorer, Adventurer, and other advanced balance models. It is designed to help maintain weighing accuracy by automatically recalibrating the balance whenever environmental changes could affect measurement performance.
Unlike manual calibration, which requires an operator to place certified external weights on the balance, AutoCal™ uses an internal reference weight permanently housed within the instrument. The balance continuously monitors conditions such as temperature changes and, when necessary, performs a calibration cycle automatically or when initiated by the user.
Because calibration occurs without handling external weights, laboratories can reduce downtime, minimize operator error, and maintain consistent weighing performance throughout the workday.
Benefits of AutoCal™
- Maintains weighing accuracy automatically.
- Reduces operator intervention.
- Eliminates routine handling of calibration weights.
- Improves repeatability after environmental changes.
- Helps support laboratory quality procedures.
- Saves time in busy laboratory environments.
While AutoCal™ greatly simplifies routine calibration, laboratories operating under regulated quality systems may still be required to verify balance performance periodically using certified external weights.
16. Can Room Temperature Affect Weighing Accuracy?
Even small temperature changes can influence the mechanical and electronic components of a laboratory balance as well as the sample being weighed. Warm samples may generate air currents through convection, while cold samples can accumulate condensation, both of which may cause unstable or drifting readings.
Rapid temperature fluctuations may also affect the balance's load cell and internal calibration characteristics. For this reason, many OHAUS balances equipped with AutoCal™ automatically perform calibration whenever significant temperature changes are detected.
Good Laboratory Practices
- Install the balance away from heating or cooling vents.
- Avoid direct sunlight.
- Allow the balance to warm up after power-on.
- Let refrigerated or heated samples reach room temperature when appropriate.
- Minimize sudden temperature fluctuations during weighing.
Maintaining a stable environment is often just as important as selecting a high-quality laboratory balance.
17. Why Does My Balance Drift?
Balance drift refers to gradual changes in the displayed weight even though the sample remains unchanged. While many users assume drift indicates a defective balance, it is usually caused by environmental or operating conditions rather than an equipment failure.
The most common causes include air currents, temperature changes, vibration, electrostatic charges, improper leveling, unstable work surfaces, and samples that have not reached room temperature. Even opening a laboratory door or nearby foot traffic can affect highly sensitive analytical balances.
Proper installation is essential for minimizing drift. Laboratory balances should be placed on a rigid, vibration-resistant bench, protected from drafts, accurately leveled, and allowed sufficient warm-up time before use.
Common Causes of Balance Drift
- Air movement
- Temperature fluctuations
- Vibration
- Electrostatic charges
- Improper leveling
- Warm or cold samples
- Evaporation of volatile substances
- Magnetic interference (in specialized applications)
Many apparent drift problems can be resolved simply by improving the weighing environment rather than servicing the balance itself.
18. What Is Repeatability?
Repeatability describes a balance's ability to produce nearly identical measurement results when the same object is weighed repeatedly under identical conditions.
It is one of the most important indicators of laboratory balance performance because it reflects the instrument's consistency rather than its displayed resolution. A balance with excellent repeatability will provide virtually the same measurement every time the same sample is weighed, assuming environmental conditions remain stable.
For scientific research, pharmaceutical analysis, and quality control, high repeatability is often just as important as high readability. Reliable repeatability ensures confidence in analytical results and reduces measurement uncertainty.
Manufacturers determine repeatability by repeatedly weighing certified reference masses under controlled laboratory conditions and calculating the variation between measurements.
In practical laboratory work, maintaining good repeatability also depends on proper calibration, stable environmental conditions, correct operating procedures, and regular maintenance.
19. What Does Readability Mean?
Readability is the smallest weight increment that a laboratory balance can display. It represents the balance's displayed resolution rather than its overall measurement accuracy.
For example:
| Readability | Smallest Displayed Increment |
|---|---|
| 1 g | One gram |
| 0.1 g | One-tenth of a gram |
| 0.01 g | One hundredth of a gram |
| 0.001 g | One milligram |
| 0.0001 g | 0.1 milligram |
| 0.00001 g | 0.01 milligram |
A balance displaying 0.0001 g has a readability of 0.1 mg, meaning it can display weight changes as small as one ten-thousandth of a gram.
It is important not to confuse readability with accuracy. A balance may display very small increments while still producing inaccurate results if it is improperly calibrated or used in an unstable environment.
Selecting the appropriate readability should be based on the smallest meaningful weight differences required by the application rather than simply choosing the highest available resolution.
20. What Factors Influence Weighing Accuracy?
Although modern OHAUS laboratory balances are engineered for excellent weighing performance, overall accuracy depends on much more than the balance itself. Environmental conditions, calibration, operator technique, sample characteristics, and routine maintenance all contribute to reliable measurement results.
Some of the most important factors include:
- Proper calibration
- Stable room temperature
- Air currents
- Vibration
- Correct leveling
- Warm-up time
- Electrostatic charges
- Magnetic effects
- Sample temperature
- Clean weighing pan
- Appropriate balance capacity
- Regular maintenance
Even highly accurate analytical balances can produce unreliable measurements if these factors are not properly controlled.
Best Practices for Maximum Accuracy
- Place the balance on a stable, vibration-resistant bench.
- Level the balance before use.
- Allow adequate warm-up time.
- Keep the draft shield closed during analytical weighing.
- Avoid weighing hot or cold samples.
- Calibrate according to laboratory procedures.
- Keep the weighing chamber clean.
- Minimize air movement around the balance.
- Verify performance regularly using certified reference weights.
By combining proper laboratory practices with the advanced weighing technologies found in OHAUS balances, laboratories can achieve the high levels of accuracy, repeatability, and reliability required for scientific research, pharmaceutical analysis, quality control, and industrial testing.
Maintenance & Service
21. How Should I Clean an OHAUS Balance?
Before cleaning, always remove any samples from the weighing pan and disconnect the balance from its power source if recommended by the operating manual. Most OHAUS balances feature removable weighing pans and draft shield components that can be cleaned separately, making routine maintenance straightforward.
A soft, lint-free cloth slightly dampened with water or a mild laboratory-approved detergent is generally sufficient for cleaning the exterior surfaces. Aggressive solvents, abrasive cleaners, and excessive moisture should be avoided, as they may damage finishes, electronic components, or sensitive weighing mechanisms.
Good Cleaning Practices
- Clean spills immediately.
- Remove powders and residues after each weighing session.
- Use a soft, lint-free cloth.
- Avoid abrasive cleaners and harsh chemicals.
- Never allow liquids to enter the balance housing.
- Keep the weighing chamber and draft shield clean.
- Inspect the weighing pan for contamination before each use.
Regular cleaning not only improves weighing accuracy but also extends the operating life of the balance while helping maintain a safe laboratory environment.
22. How Long Do OHAUS Balances Typically Last?
With proper care and routine maintenance, an OHAUS laboratory balance can remain in reliable service for 10 to 20 years or longer. Many laboratories continue using older OHAUS models successfully after decades of operation, particularly when the balances are regularly calibrated and protected from harsh environmental conditions.
The actual service life depends on several factors, including frequency of use, operating environment, preventive maintenance, and proper handling. Balances used continuously in demanding industrial or production environments may require service sooner than instruments used occasionally in research laboratories or educational facilities.
OHAUS balances are designed with durable weighing mechanisms, high-quality electronic components, and robust construction intended for long-term laboratory use. The continued availability of accessories, replacement parts, and calibration services also helps extend the useful life of many models.
Factors That Affect Service Life
- Frequency of use
- Laboratory environment
- Proper cleaning
- Routine calibration
- Preventive maintenance
- Careful handling
- Protection from overloads and chemical spills
With appropriate maintenance, purchasing a quality laboratory balance is often a long-term investment rather than a short-term equipment expense.
23. Can an OHAUS Balance Be Repaired?
Many common issues—including damaged displays, worn keypads, faulty power supplies, weighing pan components, draft shield assemblies, communication ports, and internal electronic parts— absolutely can be repaired or replaced without requiring a completely new balance.
Following any significant repair, the balance should be recalibrated and its performance verified using certified reference weights before being returned to service. Laboratories operating under regulated quality systems may also need to document the repair and subsequent calibration as part of their quality records.
Common Repair Services
- Display replacement
- Keypad replacement
- Draft shield repair
- Power supply replacement
- Internal electronic repairs
- Communication port repairs
- Calibration and performance verification
Repairing a laboratory balance is often more economical than replacing the instrument, particularly for higher-end analytical and semi-micro models.
24. How Often Should Laboratory Balances Be Professionally Serviced?
In addition to routine cleaning and calibration, laboratory balances benefit from periodic professional inspection and preventive maintenance. Professional servicing helps identify wear, contamination, or performance issues before they affect weighing accuracy or result in unexpected downtime.
Many laboratories schedule professional service once each year, although balances used in highly regulated environments or under heavy daily workloads may require more frequent inspection.
A typical preventive maintenance visit may include:
- Internal cleaning
- Mechanical inspection
- Calibration verification
- Adjustment of weighing performance
- Repeatability and linearity testing
- Inspection of leveling components
- Verification of electronic functions
- Documentation of service performed
Regular preventive maintenance can extend instrument life, reduce repair costs, and help laboratories maintain compliance with internal quality procedures and external regulatory requirements.
25. What Should I Consider Before Purchasing an OHAUS Laboratory Balance?
The first considerations should always be capacity and readability, as these determine the maximum sample size the balance can accommodate and the smallest weight differences it can reliably display. Laboratories should also evaluate the types of weighing applications they perform, whether advanced features such as internal calibration or built-in application software are required, and whether the balance will operate in a regulated environment.
Connectivity may also be an important factor. Many modern OHAUS balances support USB, RS232, Ethernet, and other communication options that simplify data collection and integration with printers, computers, and laboratory information management systems.
Finally, buyers should consider long-term ownership costs rather than focusing solely on the initial purchase price. Factors such as service availability, calibration support, replacement parts, accessories, manufacturer reputation, and expected service life all contribute to the overall value of a laboratory balance.
Buying Checklist
Before selecting an OHAUS balance, consider:
- Required weighing capacity.
- Required readability and precision.
- Intended laboratory applications.
- Analytical, precision, or semi-micro performance.
- Internal calibration (AutoCal™) requirements.
- Connectivity and data management needs.
- Available workspace.
- Regulatory or quality system requirements.
- Availability of accessories.
- Local service, calibration, and technical support.
GET SPECIAL OFFERS
WHEN THEY COME UP
Thank you!
GET SPECIAL OFFERS
WHEN THEY COME UP