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

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