Air oxygen measuring instrument HM691

Professional oxygen instrument for measuring in air and gas, integrated probe, air pressure compensation, monitoring of Oxygen-concentration and Oxygenpartialpreassure, 2-point calibration, temperature compensation, Min/Max value memory, Hold-function, automatic switch off (1 ... 120 min, deselectable), 2 x 4-digit display, PC-Interface Note: Scope of supply without Measurment-probe

Technical data
Measuring range:
O2-Concentration: 0.0 ... 100.0% (gas)
O2-Partialpressure: 0 ... 1100 hPa O2
Temperature: -5,0 ... +50.0 °C
Accuracy, at 25 °C nominal temperature:
O2 concentration: ±0,1% ±1 digit
O2-Partialpreassure: ±1 hPa ±1 digit
Temperature: ±0.1 °C ±1 digit
Sensor connection: 6-pole shielded mini DIN-socket Output: Serial Interface
Functions: Air pressure compensation, 1-point calibration, temperature compensation, Min/Max value memory, Hold-function, automatic switch off (1 ... 120 min, deselectable)
Power supply: 9 V battery type IEC 6F22 or from power supply unit (10.5 ... 12 V)
Current consumption: approx. 3 mA
Dimensions: 142 x 71 x 26 mm
Scope of supply: without measuring-probe