User Guide

10
* Note: actual TDS range for HI 24 series depends on TDS factor set.
SPECIFICATIONS
Ranges 0.0 to 199.9 µS/cm, 0 to 1999 µS/cm
0.00 to 19.99 mS/cm, 0.0 to 199.9 mS/cm
0.0 to 100.0 ppm, 0 to 1000 ppm (HI 24* series only)
0.00 to 10.00 ppt, 0.0 to 100.0 ppt (HI 24* series only)
-10.0 to 100.0 °C
Resolution 0.1 µS/cm, 1 µS/cm
0.01 mS/cm, 0.1 mS/cm
0.1 ppm, 1 ppm (HI 24 series only)
0.01 ppt, 0.1 ppt (HI 24 series 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 7639D 4-ring EC/TDS probe (K=2) with built-in
3-wire Pt100 temperature sensor and 5 m cable
HI3012D + HI5001/5 (external temperature sensor)
Analog Input 4 - 20 mA
Analog Output 0-10VDC, 0-5VDC or 1-5VDC (HI 23xy1 and HI 24xy1)
0-20mA or 4-20mA, 0-1mA (HI 23xy1 and HI 24xy1)
RS485 baud rate 1200, 2400, 4800 and 9600 (HI 23xy2 and HI 24xy2)
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, 2 and Electromechanical relay SPDT contact outputs,
Alarm Relay 5A-250 VAC, 5A - 30 VDC (resistive load)
Fuse protected: 5A, 250V FUSE
Environment 0-50 °C; max 95% R.H. non-condensing
Enclosure 189 x 228 x 102 mm (7.4 x 9 x 4”)
Case Material Fiber-reinforced, self-extinguishing ABS
Weight approximately 1.6 kg (3.5 lb.)