Precision pH-/Redox-/Temperature measuring instrument HM530

Calibration enabled Handy measuring instrument for chemical analysis in laboratories, production shops and for sewage water treatment application, measuring range pH: 0.00 ... 14.00 pH, measuring range Redox: -1999 ... +2000 mV, automatic temperature compensation

Technical data
Measuring range:
Temperature: -100.0 ... +250.0 °C as well as –148.0 ... +482.0 °F
pH: 0.00 ... 14.00 pH
Redox: (ORP): -1999 ... +2000 mV. With reference to hydrogen system (DIN38404) -1792 ... +2207 mVH
rH: 0.0 ... 70.0 rH
Accuracy (±1 Digit) (at nominal temperature 25 °C):
Temperature: ±0.2 °C (-20 ... +80 °C), otherwise ±0.4 °C
pH: ±0.01 pH
Redox(ORP): ±0.1% FS (mV as well as mVH)
rH: ±0.1 rH
Sensor connection Temperature: 4-pole shielded Mini DIN-socket.
Sensor connections pH & Redox: BNC-socket
Input resistance: (pH, Redox) 1012 Ohm
Operating temperature: 0 ... 50 °C
Relative humidity: 0 ... 95% r.H. (without dew formation)
Storage temperature: -20 ... 70 °C
Interface: serial interface, through galvanically isolated port converter
Current consumption: approx. 3 mA
Power supply: 9 V battery or external 10.5 ... 12 V DC voltage supply
Housing dimensions: 142 x 71 x 26 mm (L x B x D)