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