· Power isolation design ensures stable signal without interference;
· Standard Modbus-RTU protocol for simple and convenient connection;
· One sensor simultaneously measures pH and ORP.
· IP68 protection rating, suitable for long-term underwater operation.
System |
Power supply |
DC 9~27V |
Power rating |
0.5W |
|
Dimensions |
201mm*Φ32 |
|
Casing material |
Black POM |
|
Operating temperature |
-5℃ - 45℃ (non-icing) |
|
Pressure resistance |
< 0.1MPa |
|
pH |
Measurement Method |
Electrochemical method (electrode method) |
Measurement Range |
0-14pH |
|
Resolution |
0.01pH |
|
Accuracy |
± 0.05pH |
|
Repeatability |
0.01pH |
|
Response Time (T90) |
≤ 60 seconds |
|
Calibration Method |
Single-point calibration, two-point calibration, three-point calibration |
|
ORP |
Measurement Method |
Electrochemical method (electrode method) |
Measurement Range |
||
Resolution |
-2000mV ~ +2000mV |
|
Detection Limit |
1mV |
|
Accuracy |
1mV |
|
Repeatability |
±20mV |
|
Response Time (T90) |
10mV |
|
Calibration Method |
≤ 60 seconds |
|
Temperature |
Measurement Method |
Thermistor method |
Measurement Range |
-5℃ ~ 60℃ |
|
Resolution |
0.1℃ |
|
Accuracy |
±0.4℃ |
|
Repeatability |
0.2℃ |
|
Response Time (T90) |
≤ 25s |
|
Calibration Method |
Single-point calibration |
