Ohaus Accesssories Pen Meter Electrode ST20R

Ohaus Accesssories Pen Meter Electrode ST20R

The Accesssories Pen Meter Ohaus Electrode ST20R is a precision-engineered replacement sensor designed specifically for the Ohaus Starter ST20R ORP Pen Meter. Built to deliver fast, stable, and accurate oxidation-reduction potential (ORP) and temperature measurements, this electrode ensures consistent performance in both laboratory and field environments. Because it supports Automatic Temperature Compensation (ATC) and features durable, waterproof construction, it provides reliable operation even under challenging testing conditions.

Features

• High Compatibility: Designed exclusively for the Ohaus Starter ST20R ORP Pen Meter, ensuring perfect fit and optimal performance.

• Accurate ORP and Temperature Measurement: Provides ±2 mV ORP accuracy and ±0.5°C temperature precision for dependable results.

• Automatic Temperature Compensation (ATC): Automatically adjusts readings for temperature fluctuations, maintaining measurement accuracy.

• Fast Response and Excellent Stability: Responds quickly to redox changes and maintains stable readings for precise analysis.

• Durable Construction: Made from chemical- and corrosion-resistant materials for long-lasting use in laboratory or industrial environments.

• Easy Replacement: Plug-and-measure design allows for quick and tool-free electrode installation.

• Waterproof and Reliable: Maintains the IP67 protection rating when properly attached, ideal for field testing and outdoor use.

• Lightweight and Portable: Compact design makes it easy to carry and use for on-site measurements.

Specifications

• Compatible Model: Ohaus Starter ST20R (ORP Pen Meter)

• Measurement Range (ORP): –1000 to +1000 mV

• Measurement Range (Temperature): 0°C – 99°C

• Accuracy (ORP): ±2 mV

• Accuracy (Temperature): ±0.5°C

• Temperature Sensor: 50 kΩ NTC (supports ATC)

• Connection Type: Direct-fit sensor module

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

• Protection Rating: IP67 (waterproof and dustproof when installed)

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

Applications

The Ohaus ST20R Electrode is ideal for laboratories, aquaculture, wastewater treatment, and environmental testing. Additionally, it is widely used in chemical production, beverage quality control, and educational research. As a result, users can rely on the ST20R electrode for precise, repeatable, and efficient ORP and temperature measurements across a wide range of applications.