Starter Electrode Ohaus DO Electrode, 1m, STDO21

Starter Electrode Ohaus DO Electrode, 1m, STDO21

The Starter Electrode Ohaus DO Electrode, 1m, STDO21 is a high-quality sensor engineered for accurate and stable measurement of dissolved oxygen in various liquid samples. With a measurement range of 0.00 – 20.0 mg/L (ppm), it ensures precise readings for laboratory, industrial, and environmental applications. Its rugged plastic shaft offers superior durability and chemical resistance, allowing consistent performance even under frequent use.

Features

The STDO21 electrode is designed for reliable dissolved oxygen (DO) analysis in water, wastewater, and aquaculture systems. Its sturdy 125 mm × 16 mm structure and 1-meter cable enable flexible handling and convenient placement in both benchtop and field testing setups. Operating effectively within 0°C to 60°C, this electrode delivers dependable results across a variety of testing conditions.

Although it does not include an internal temperature sensor, the STDO21 electrode maintains measurement accuracy and is fully compatible with Ohaus Starter portable DO meters, including the ST400D series. Its lightweight design (105 g) ensures ease of use while minimizing fatigue during long sampling routines.

Specifications

• Electrode Type: Dissolved Oxygen (DO)

• Measurement Range: 0.00 – 20.0 mg/L (ppm)

• DO Range: 0% – 20 ppm

• Temperature Range: 0°C – 60°C

• Cable Length: 1 m

• Shaft Material: Plastic

• Dimensions (L × Ø): 125 mm × 16 mm (4.9 in × 0.63 in)

• Temperature Sensor: No

• Net Weight: 105 g

• Working Environment: 10°C – 40°C, 85% RH, non-condensing

Applications

The STDO21 electrode is ideal for environmental monitoring, aquaculture oxygen control, wastewater treatment, and laboratory research. It provides precise and repeatable readings, ensuring reliable data for assessing oxygen content in water samples, crucial for maintaining ecological balance and compliance with quality standards.