Ohaus Portable Meter ST400D DO Meter 30378541

The Ohaus Portable Meter ST400D DO Meter 30378541 is a handheld dissolved oxygen meter designed for accurate measurement of dissolved oxygen levels in field and laboratory environments.

Key Features:

• Measurement Range: 0.00 to 20.0 mg/L (ppm) dissolved oxygen
• Temperature Range: 0 to 50°C operating range
• Measurement Resolution: 0.01 mg/L dissolved oxygen, 0.1°C temperature, 0.1% (presumably saturation)
• Accuracy: ±0.2 mg/L for <8 mg/L, ±0.3 mg/L for 8-20 mg/L, ±0.3°C temperature
• Display: Backlit Color Liquid Crystal Display (LCD)
• Operation: Powered by 4 AAA batteries (included), battery life approximately 12 hours
• Memory: Stores 99 measurement records with last calibration recall
• Temperature Compensation: Automatic with manual salinity compensation option
• Construction: Durable ABS housing with IP54 rating for field use
• Dimensions: Approximately 5.91 in x 1.38 in x 3.54 in (150 mm x 35 mm x 90 mm)
• Weight: 0.35 lb (0.16 kg)
• Calibration: 2-point calibration
• Accessories Included: Electrode clip, wrist strap, and 4 AAA batteries
• Temperature Sensor: 10 kΩ NTC thermistor
• Auto barometric pressure measurement

Advantages:

• Wide dissolved oxygen measurement range (0.00–20.0 mg/L) enables use across diverse water quality conditions
• High resolution and accuracy allow precise monitoring critical for environmental and lab analysis
• Backlit LCD ensures readability in low-light or outdoor settings
• Memory capacity for 99 measurements facilitates data logging and quality control
• Automatic temperature compensation and barometric pressure measurement improve measurement reliability without manual inputs
• Lightweight and compact design supports easy portability for field applications
• Long battery life with included batteries allows extended use without frequent replacements
• Robust ABS housing with IP54 rating provides durability and protection against dust and water splashes in field conditions