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Environment, Pressure & Water Treatment

pH/ORP800

pH/ORP Controller

The pH/ORP800 controller is used in water-treatment and mixing systems. It accepts pH or ORP electrode inputs and supports two-point calibration, control output, communication and measured-value transmission.

Key Specifications

Input
pH/ORP electrode
Sampling period
125 ms
Control mode
Hi/Lo dual control, relay SPDT contact, max 250VAC/3A
Power
85-264VAC, 45/60Hz

Technical Detail

Technical Details

The pH/ORP800 controller is used in water treatment and mixing systems. It accepts pH or ORP electrode signals, supports two-point calibration, high/low control outputs, RS232/RS485 communication and isolated 4-20mA transmission.

Model Coding

PH/ORP800/Display/Communication
(1)(2)
(1) Display
LCDLCD display
LEDLED numeric display
(2) Communication
0No communication
232RS232, 3-wire, isolated, communication distance 12m
485RS485, 2-wire, isolated, communication distance 1.2km
BSMeasured-value transmission

Example: PH/ORP800/LED/485 means an LED-display controller with RS485 communication.

Panel Description

pH/ORP800 panel description

Dimensions

pH/ORP800 dimensions

Mounting

pH/ORP800 mounting

Wiring

pH/ORP800 electrical wiring

Specifications

InputpH/ORP electrode
Sample rate125 ms
CalibrationTwo-point calibration
DisplayLCD or LED display
Control modeHi/Lo two-group control; relay SPDT contact, max. 250VAC / 3A
CommunicationRS485 or RS232
Power supply85-264VAC, 45/60Hz
EnvironmentOperating temperature 0-50°C, relative humidity ≤85%
Transmission outputIsolated 4-20mA DC output, programmable measurement range, maximum load 500Ω
Dimensions96 x 96 x 125 mm (H x W x D)
Panel cutout92 x 92 mm

Documents

  1. pH/ORP800 Controller Manual PDF
  2. pH/ORP800 Chinese Manual PDF
  3. pH Electrode Manual PDF