Greisinger GMH5650 Combined Measuring Device for O2 Concentration, O2 Saturation, Temperature, Pressure (474131)

Measures O2 concentration from 0.00 to 70.00 mg/l with ±1.5% accuracy, plus O2 saturation, temperature, and atmospheric pressure.

Overview

The Greisinger GMH5650 is a handheld multi-parameter measuring device for dissolved oxygen, oxygen saturation, temperature, and atmospheric pressure. It features a backlit LCD, data logging for up to 10,000 points, and salinity compensation. The device is powered by 2 AAA batteries or USB, with a battery life of approximately 1000 hours without backlight.

What stands out

• O2 concentration range: 0.00 to 70.00 mg/l (ppm)
• O2 saturation range: 0.0 to 600.0 % O2
• Temperature range: -5.0 to +100.0 °C
• Atmospheric pressure range: 10 to 1200 hPa absolute
• Data logging: 10,000 data points
• Salinity compensation: 0.0 to 70.0 ppt
• Automatic altitude compensation via integrated pressure sensor
• Micro-USB interface

Technical details

• O2 concentration accuracy: ±1.5% of measured value ±0.2 mg/l
• O2 saturation accuracy: ±1.5% of measured value ±2.0 % O2
• Temperature accuracy: ±0.1 °C
• Pressure accuracy: ±0.3% FS
• Sensor type: galvanic (external sensor required)
• Display: backlit LCD
• Power: 2 x AAA batteries or USB
• Battery life: approx. 1000 hours (without backlight)
• Housing material: ABS

Our verdict

A versatile and accurate multi-parameter meter for dissolved oxygen and related measurements, with extensive data logging and compensation features.