Features and Applications:

144X144 microcomputer designed pH/redox transmitter

Outdoor waterproof design suitable for wall mounted, panel mounted, and circular pipe installation

Large LCD display screen with operation status and special symbol display

Equipped with backlight sensor, automatic and manual backlight setting function

■ Provide electrode automatic cleaning device contacts, program setting output

■ Provide solution grounding function to eliminate sample electrification interference

■ Equipped with automatic calibration; Manual/automatic temperature compensation function and end cycle correction warning

Password lock and combination key enter the setting and calibration mode design, enhancing security protection

Equipped with RS-485 interface output and Modbus standard communication protocol (PC-3100RS only)

■ Equipped with two 0/4~20mA outputs corresponding to pH/ORP and Temp settings (PC-3100 only)

Specifications:

■ Measurement range

pH: -2.00～16.00pH

ORP: -1999～+1999mV

Temp.： –30.0～130.0℃

■ Resolution

pH: 0.01pH

ORP: 1mV

Temp.： 0.1℃

■ Instrument accuracy

pH: 0.01pH±1Digit

ORP: 0.1%±1Digit

Temp.： 0.2℃±1Digit

■ Temperature compensation

Automatic temperature compensation Pt1000, NTC30K dual-mode selection

Manual temperature compensation button setting

Working temperature: 0 ℃~50 ℃

Storage temperature -20~70 ℃

Input impedance>10

12 Ω

■ Display screen backlit large LCD display

Analog output with two isolated 0/4-20mA outputs

Programmable settings corresponding to pH/ORP, Temp

（PC-3100 only）

Digital output RS-485 Modbus standard communication protocol

（PC-3100RS only）

Relay output high and low points, hysteresis can be set by any program

Two sets of ON/OFF outputs

240VAC maximum current 0.5A

■ Cleaning contact: ON 0~9999 seconds/OFF 0~999.9 hours

A set of ON/OFF outputs

240VAC maximum current 0.5A

Solution grounding can eliminate the interference of solution electrification

■ Power input 100-240VAC wide power supply, 50/60Hz

Installation methods include wall installation, panel installation, and circular pipe hanging installation

■ Instrument size 144mm × 144mm × 115mm (H × W × D)

■ Hole size 138mm × 138mm (H × W)

■ Protection level IP65

■ Weight 0.8Kg