Ohaus Portable Meter ST400M-B; ST320 IP67 3m, STCON3 IP67 3m 30468991

The Ohaus Portable Meter ST400M-B (part number 30468991) is a multi-parameter portable water analysis meter designed for measuring pH, conductivity, TDS, salinity, resistivity, mV, and temperature in field or wet environments.

Key Features:

• Measurement range: pH -2.00 to 16.00; conductivity 0.0 μS/cm to 199.9 mS/cm; TDS 0.1 mg/L to 199.9 g/L; mV -1999 to 1999 mV; salinity 0 to 99.9 psu; resistivity 0 to 20 MΩ-cm; temperature -5 °C to 110 °C
• Measurement resolution: 0.01 pH; 0.1 μS/cm (auto-range); 0.01 mg/L TDS (auto-range); 1 mV; 0.01 psu; 0.01 Ω-cm resistivity; 0.1 °C
• Accuracy: ±0.01 pH; ±0.5% full scale for conductivity/TDS/salinity/resistivity; ±1 mV; ±0.3 °C
• Display: Backlit LCD
• Electrodes included: ST320 IP67 3m and STCON3 IP67 3m probes
• Construction: IP67 waterproof housing and probes with rubber cover
• Power: Rechargeable lithium battery with approx. 40 hours runtime
• Communication: Built-in micro-USB port for data transfer
• Memory: Data storage of up to 1000 measurements

Advantages:

• Wide measurement ranges and high resolution allow detailed and precise water quality analysis across multiple parameters
• IP67 waterproof design with rugged probes ensures reliable operation in wet, field environments without damage
• Rechargeable battery provides long operational duration reducing downtime and need for battery replacement
• Built-in data storage combined with USB data transfer facilitates efficient record keeping and analysis
• Backlit LCD and included waterproof electrodes enable clear readings and extended usability under diverse lighting and environmental conditions