
( Brand: Fisher Scientific ), ( Manufacturer Part Number: S98198 ), ( Part Type: Tester ), ( Country Of Origin: Taiwan )
The **Fisher Scientific S98198 2x Traceable Conductivity Pocket Testers** are a pair of highly portable, precision-engineered instruments designed for on-site water quality monitoring, ensuring accuracy and reliability in field applications. These compact yet robust testers feature a dual-channel design, allowing users to simultaneously measure conductivity in two different samples or at two distinct locations, streamlining workflows in environmental testing, industrial process control, and laboratory fieldwork. Each unit is equipped with a high-resolution digital display with backlit readability, making it easy to monitor results even in low-light conditions, while the traceable calibration ensures compliance with industry standards such as ASTM, ISO, and EPA protocols. The testers operate on a wide measurement range, from 0.001 to 1999 S/cm, accommodating both ultra-pure water and highly conductive solutions, and include an automatic temperature compensation (ATC) feature to correct readings for temperature variations, delivering consistent and accurate results regardless of environmental conditions. Constructed from durable, water-resistant materials, these pocket-sized devices are built to withstand rugged field use, featuring a rugged housing that protects against dust, moisture, and minor drops, while the replaceable electrodes ensure long-term reliability and easy maintenance. Ideal for environmental scientists, water treatment professionals, and quality assurance teams, the S98198 pair offers a seamless blend of portability and precision, making it an indispensable tool for rapid, on-the-spot conductivity assessments without compromising data integrity.
**Pros and Cons of Buying Fisher Scientific S98198 2x Traceable Conductivity Pocket Testers**
### **Pros**
1. **Precision and Accuracy** These testers are designed for traceable measurements, ensuring reliable data for laboratory and field applications. They are calibrated to meet industry standards, which is critical for research, quality control, and environmental testing.
2. **Portability** As pocket-sized devices, they are highly portable, allowing for easy use in the field, on-site inspections, or in environments where benchtop equipment is impractical. This makes them ideal for field scientists, environmental consultants, and quality assurance personnel.
3. **Dual-Unit Functionality** The two-in-one design provides flexibility, allowing users to measure conductivity in either **microSiemens per centimeter ( S/cm)** or **milliSiemens per centimeter (mS/cm)**, catering to a wide range of applications from pure water to wastewater.
4. **Durability** Built to withstand rugged use, these testers are likely constructed with materials that resist shocks, moisture, and temperature fluctuations, making them suitable for outdoor or industrial settings.
5. **Quick and Easy Readings** The digital display provides instant, clear readings, reducing the time required for manual measurements and minimizing human error.
6. **Traceability** The traceability feature ensures that measurements can be validated against certified standards, which is essential for compliance with regulatory requirements in industries like pharmaceuticals, food and beverage, and environmental monitoring.
7. **Low Maintenance** Compared to benchtop conductivity meters, these pocket testers require minimal calibration and upkeep, making them cost-effective for frequent use.
8. **Versatility** Suitable for various applications, including water purity testing, pool maintenance, industrial process monitoring, and environmental sampling.
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### **Cons**
1. **Limited Functionality Compared to Benchtop Meters** While these testers are highly portable, they lack advanced features found in benchtop or laboratory-grade conductivity meters, such as temperature compensation, multiple measurement ranges, or data logging capabilities. Users may need supplementary equipment for complex analyses.
2. **Single Measurement Mode** These devices typically provide only a single reading at a time. For batch testing or comparative analysis, users may need to take multiple measurements manually, which can be time-consuming.
3. **Potential for User Error** Since these are handheld devices, improper handling (e.g., dropping, exposing to extreme temperatures, or incorrect probe storage) could affect accuracy or damage the unit. Users must follow proper care instructions to maintain performance.
4. **Calibration Requirements** While traceable, these testers may still require periodic calibration to ensure accuracy, especially in critical applications. Calibration kits or services may incur additional costs.
5. **Limited Data Storage or Export** Unlike advanced meters, these testers do not typically store historical data or allow easy export of readings. Users may need to manually record data, which can be cumbersome for large-scale testing.
6. **Cost per Measurement** While the initial purchase price is reasonable, the cost per measurement may be higher than using a shared benchtop meter in a laboratory setting, particularly if multiple users are involved.
7. **Probe Sensitivity and Longevity** Conductivity probes can degrade over time due to fouling (e.g., mineral buildup, organic contamination) or physical damage. Replacement probes may be required, adding to long-term costs.
8. **No Built-in Temperature Compensation** Some applications require temperature-adjusted conductivity readings (e.g., following ASTM or ISO standards). Without automatic temperature compensation, users may need to manually correct readings or use additional equipment.
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### **Conclusion**
The **Fisher Scientific S98198 2x Traceable Conductivity Pocket Testers** are excellent tools for professionals who require **portable, accurate, and traceable conductivity measurements** in field or semi-controlled environments. Their compact design, ease of use, and reliability make them ideal for environmental testing, quality control, and routine water analysis where benchtop equipment is impractical.
However, they are **not suitable** for high-volume, complex, or laboratory-grade applications where advanced features like temperature compensation, multiple ranges, or data logging are essential. Users should weigh the trade-offs between portability and functionality against their specific needs.
If your primary requirement is **field mobility, quick readings, and traceability** without the need for advanced features, these testers are a strong recommendation. For laboratory or industrial settings requiring detailed data or frequent use, a benchtop meter may still be more appropriate despite the added cost.
### **Recommendation**
**Buy these testers if:**- You need a **portable, traceable, and reliable** conductivity meter for fieldwork, on-site inspections, or quality checks.
- Your applications involve **single or limited-range measurements** (e.g., pure water, wastewater, or pool testing).
- You prioritize **ease of use and quick results** over advanced features.
**Consider alternatives if:**- You require **temperature compensation, multiple measurement ranges, or data logging**.
- Your workflow involves **high-volume testing or laboratory-grade precision**.
- You need **long-term data storage or connectivity** (e.g., USB, Bluetooth) for reporting.
For most **environmental, field, or quality control applications**, the Fisher Scientific S98198 testers offer an excellent balance of performance and convenience. Pair them with proper calibration and probe care to maximize their lifespan and accuracy.
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