Ohaus Conductivity Portable ST300C

Ohaus ST300C Portable Conductivity Meter (83033964)

The Ohaus Starter™ 300C is a compact and reliable portable conductivity meter designed for quick and accurate conductivity and TDS (Total Dissolved Solids) measurements in the field or laboratory. With simple operation, durable construction, and automatic temperature compensation, the ST300C ensures precise readings in a variety of environments. Its lightweight design and long battery life make it an ideal choice for water quality testing, education, and environmental monitoring.

Features

• Compact and Portable: Lightweight ABS housing with a convenient wrist strap for field use.

• Clear Display: Easy-to-read LCD screen for quick measurement results.

• Automatic Temperature Compensation: Ensures accuracy across varying environmental conditions.

• Durable Performance: Provides up to 250 hours of battery life with 4 × AAA batteries (included).

• Simple Calibration: 1-point calibration for straightforward setup and operation.

Specifications

• Model: ST300C

• Item Number: 83033964

• Parameters: Conductivity / TDS / Temperature

• Conductivity Range: 00.0 μS/cm – 199.9 mS/cm

• TDS Range: 0.1 mg/L – 199.9 g/L

• Temperature Range: 0 – 100 °C

• Resolution: 0.01 μS/cm (conductivity); 0.1 mg/L (TDS); 0.1 °C (temperature)

• Accuracy: ±0.5% (conductivity); ±0.3 °C (temperature)

• Electrode: STCON3 (included)

• Calibration: 1-point

• Temperature Sensor: 30 KΩ NTC

• Display: LCD

• Power Supply: 4 × AAA (LR03) batteries, ~250-hour life

• Dimensions (L × H × W): 170 × 35 × 90 mm (6.69 × 1.38 × 3.54 in)

• Net Weight: 0.16 kg (0.35 lb)

• Operating Environment: 5 °C – 40 °C (41 °F – 104 °F), up to 80% RH, non-condensing

Applications

• Environmental Testing: Field analysis of water sources and wastewater.

• Educational Use: Simple, reliable operation for teaching conductivity and TDS concepts.

• Quality Control: Routine water quality checks in laboratories or industrial processes.

Conclusion

The Ohaus Starter™ 300C Portable Conductivity Meter delivers dependable, accurate measurements in a user-friendly, compact design. Built for mobility and long-lasting performance, it is a practical solution for conductivity and TDS testing across educational, environmental, and industrial applications.