User Guide

8
SPECIFICATIONS
Ranges 0.0 to 199.9 µS, 0 to 1999 µS
0.00 to 19.99 mS, 0.0 to 199.9 mS
0.0 to 100.0 ppm, 0 to 1000 ppm (HI 710* models only)
0.00 to 10.00 ppt, 0.0 to 100.0 ppt (HI 710* models only)
-10.0 to 100.0 °C
Resolution 0.1 µS, 1 µS
0.01 mS, 0.1 mS
0.1 ppm, 1 ppm (HI 710 models only)
0.01 ppm, 0.1 ppm (HI 710 models only)
0.1 °C
Accuracy ±0.5 % full scale (EC and TDS)
(@20°C/68°F) ±0.5°C between 0 to 70°C, ±1°C outside
Temperature Compensation Automatic from -10 to 100°C or manual with
Temperature Coefficient from 0.00 to 10.00%/°C
Typical EMC Deviation ±2 % full scale (EC and TDS)
±0.5 °C
Installation Category II
Probe HI 7639
4-ring EC/TDS probe (K=2) with built-in 3-wire PT100
temperature sensor and 5 mt shielded cable
Analog Input 4 - 20 mA
Power Supply 230 ±10% VAC or 115 ±10% VAC, 50/60 Hz
Power Consumption 15 VA
Over Current Protection 200 mA 250V FAST FUSE
Relays 1 and 2 Electromechanical relay SPDT contact outputs,
5A-250 VAC, 5A - 30 VDC (resistive load)
Fuse protected: 5A, 250V FUSE
Alarm Relay Electromechanical Relay SPDT contact output,
5A - 250 VAC, 5A - 30 VDC (resistive load)
Fuse protected: 5A, 250V FUSE
Environment 0-50 °C; max 95% R.H. non-condensing
Enclosure single case ½ DIN
Weight approximately 1.6 kg. (3.5 lb.)
* Note: actual TDS range for HI 710 models depends on TDS factor set.