●128 * 64 dot-matrix LCD display, switchable in Chinese and English, IP65 protection level, all-weather stable operation
●Simple menu design, simple and convenient operation, graphical prompt, beautiful and clear interface
●Software digital filtering is adjustable, with enhanced hardware resistance to interference, making measurements more stable and adapted to complex industrial environments
●Global access power supply 85~260VAC, but also customized DC model 18 to 36 VDC
●RS-485 digital interface, MODBUS-RTU communication protocol, read and write two-way communication, can achieve remote complete control of the instrument
●Three measurement modes CON (conductivity) SAL (salinity) or TDS (total dissolved solids)

Ultra pure water	Industrial process	Boiler water	Circulating water

Conductivity	Range	0.000uS/cm～400.0mS/cm
	Resolution	0.001uS/cm～0.1mS/cm
	Accuracy	±0.5%F.S
	Electrode constant	K=0.01、0.1、1.0、10.0
	Reference temp.	15.0～35.0 °C
	Temp. coefficient	0.00～4.00%
Salinity	Range	-10.0～130.0 °C
	Resolution	0.1g/L
	Accuracy	±0.5%F.S
TDS	Range	0.000mg/L～200.0mg/L
Total dissolved solids	Resolution	0.001mg/L～0.1mg/L
	Accuracy	±0.5%F.S
	TDS factor	0.40～1.00
Temperature	Range	-10.0～130.0 ℃
	Resolution	0.1 ℃
	Accuracy	±0.3 ℃
	Temp. input	PT1000
	Temp. compensation	Automatic/Manual
	Output type	wo 4～20 mA (Corresponding range can be set)
Transmission current	Accuracy	±0.5 %FS
	Output load	Less than 500 Ω
	Function relay	1 （Can be set as cleaning or alarm function）
Relay control	Switch relay	2 SPST relays
	Load capacity	2.5A 230VAC
	Transmission interface	1 RS485 Isolation voltage 2500Vrms
Data transmission	Protocol	MODBUS-RTU (Read and write duplex communication)
	Power supply	85～260VAC or 18～36VDC（User can  order）
	Operating temperature	0～60°C
	Working humidity	Relative humidity < 90%
	Protection level	IP65
	Installation method	Wall mounted installation
	Dimensions	(H×W×D) 158×188×108 mm