SAV-PH8001 Digital pH sensor
SAV-PH8001 pH electrode can be used for aquaculture, and 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
Features
Zero potential point: 7 ± 0.5 pH
Output: RS485
Installation size: 3/4NPT
Communication: RS485
Power supply: 12VDC
SPECIFICATIONS
| Product | Digital pH sensor |
|---|---|
| Model | SAV-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 |
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
DATA REGISTER 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 |