Ohaus Accessories Pen Meter Electrode ST20M-C

OHAUS Accessories Pen Meter Electrode ST20M-C

Product Description

The OHAUS Accessories Pen Meter Electrode ST20M-C is a versatile and precise multi-parameter replacement sensor designed for the OHAUS Starter ST20M-C Pen Meter. This electrode combines pH, conductivity, salinity, and temperature measurements into one compact and durable probe, making it a highly efficient solution for laboratory, field, and industrial applications. Engineered for accuracy, convenience, and long-term reliability, it simplifies water quality testing while maintaining consistent performance.

Features

• Four-in-one measurement capability: Measures pH, conductivity, salinity, and temperature simultaneously, reducing the need for multiple instruments.

• High accuracy and stability: Provides ±0.05 pH, ±2% FS conductivity, and ±0.5°C temperature accuracy for dependable results.

• Automatic Temperature Compensation (ATC): Built-in 50 kΩ NTC sensor ensures temperature-corrected readings for improved precision.

• Fast response and high sensitivity: Stabilizes quickly for efficient and repeatable measurements.

• Rugged and corrosion-resistant: Constructed with durable materials designed to withstand chemical exposure and frequent use.

• Easy replacement: Plug-and-measure design enables quick installation without tools or recalibration.

• Waterproof and durable: Maintains IP67 protection rating when properly connected to the ST20M-C pen meter, ensuring reliability even in wet environments.

• Compact and portable: Lightweight, ergonomic design suitable for handheld and field applications.

Applications

The OHAUS ST20M-C Electrode is ideal for:

• Laboratory and research environments

• Aquaculture and environmental monitoring

• Industrial process control and wastewater testing

• Marine and freshwater studies

• Beverage and food production quality assurance
  This multi-functional electrode delivers precision, convenience, and efficiency for professionals who require accurate, stable, and fast readings across multiple parameters.

Specifications

• Compatible model: OHAUS Starter ST20M-C (Multi pH/Cond/Sal/Temp Pen Meter)

• Measurement range (pH): 0.00 – 14.00 pH

• Measurement range (conductivity): 0.00 – 19.99 mS/cm

• Measurement range (salinity): 0.0 – 10.0 ppt

• Measurement range (temperature): 0.0 – 99.0°C

• Accuracy (pH): ±0.05 pH

• Accuracy (conductivity): ±2% FS

• Accuracy (temperature): ±0.5°C

• Resolution: 0.01 pH / 0.01 mS/cm / 0.1 ppt / 0.1°C

• Temperature sensor: 50 kΩ NTC (supports ATC function)

• Connection type: Direct-fit modular sensor

• Operating temperature: 10°C – 40°C, 85% RH (non-condensing)

• Protection rating: IP67 (waterproof and dustproof when attached)

• Cable: Integrated short lead optimized for pen-type meters

Conclusion

The OHAUS Accessories Pen Meter Electrode ST20M-C offers an efficient and reliable solution for multi-parameter water quality testing. With its four-in-one design, high accuracy, and durable waterproof construction, it provides fast, stable, and precise readings for a wide range of laboratory, industrial, and environmental applications.