SUP-PH8001 Digital pH sensor

SUP-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

Characteristics

Zero potential point: 7 ± 0.5 pH

Output: RS485

Installation size:  3/4NPT

Communication: RS485

Power supply: 12VDC

  • Specification

  Product    Digital pH sensor
  Model   SUP-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

 

ph电极.jpg

  • 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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