MIK-PH8001 Digital pH sensor

MIK-PH8001 pH electrode can be used for aquaculture, IoT water quality detection, with digital interface (RS485*1), can be used to measure the change of pH/ORP value in the aqueous solution system within the range, and it has standard RS485 Modbus RTU protocol interface function, Can communicate with the host computer remotely


Zero potential point: 7 ± 0.5 pH

Output: RS485

Installation size:  3/4NPT

Communication: RS485

Power supply: 12VDC

  • Specification

  Product    Digital pH sensor
  Model   MIK-PH8001
  Measurement range   0.00-14.00pH; ±1000.0mV
  Resolution   0.01 pH, 0.1 mV
  Heat resistance   0-60℃
  Accuracy 0.02 pH 0.5℃ 0.2 mA
  Output   RS485 (MODBUS-RTU)
  ID   9600, 8, 1,N (Standard) 1-255
  Power supply   6~30VDC
  Power consumption   30 mA @12VDC


  • Introduction



  • Communication Protocol

Communication interface: RS485

Port setting: 9600,N,8,1 (default)

Device address: 0x01 (default)

Protocol specification: Modbus RTU

Instruction support: 0x03 read into register

                                0x06 write register | 0x10 write register continuously


  • Register data format
Address Data name Conversion factor Status
0 Temperature [0.1℃] R
1 PH [0.01pH] R
2 PH.mV [0.1mV] R
3 PH. Zero [0.1mV] R
4 PH. slope [0.1%S] R
5 PH. Calibration points - R
6 System status. 01 4*bits 0xFFFF R
7 System status. 02 4* bits 0xFFFF R/W
8 User command address - R
9 User commands. Results [0.1mV] R
11 ORP [0.1mV] R

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