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INATEC – PH-8001 Digital pH Sensor
INATEC – 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 : 3/4 NPT.
Communication : RS485.
Power supply : 12 VDC.
Communication Protocol
Communication interface : RS485
Port setting : 9600, N, 8, 1 (Default)
Device address : 0 x 01 (Default)
Protocol specification : Modbus RTU
Instruction support : 0 x 03 read into register
0 x 06 write register
0 x 10 write register continuously
Specification
| Information | Spesification |
|---|---|
| Product | Digital pH Sensor |
| Model | INATEC - PH-8001 |
| Measurement range | 0.00 - 14.00 pH, ± 1000.0 mV |
| 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 ~ 30 VDC |
| Power consumption | 30 mA @12 VDC |
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 0 x FFFF | R |
| 7 | System status. 02 | 4* bits 0 x FFFF | R/W |
| 8 | User command address | - | R |
| 9 | User commands. Results | [0.1mV] | R |
| 11 | ORP | [0.1mV] | R |