
pH Sensor
SS307-01
数字式 pH 传感器
产品亮点
● Glass-electrode pH sensor with KCl solution
● Capillary-fiber junction material
● Amplifier chip and battery built into the electrode
● Integrated isolator and NTC10K temperature element
● User-replaceable pH electrode with reusable sensor base
● RS485 output with Modbus protocol
● IP68 connector
● Designed for simplified field maintenance
● Capillary-fiber junction material
● Amplifier chip and battery built into the electrode
● Integrated isolator and NTC10K temperature element
● User-replaceable pH electrode with reusable sensor base
● RS485 output with Modbus protocol
● IP68 connector
● Designed for simplified field maintenance
产品概述
The SpeSense digital pH sensor integrates digital electronics for plug-and-play operation with multi-parameter sondes and PLC systems through an IP68 connection. Its design combines a user-replaceable pH sensor tip with a reusable sensor base that houses the processing electronics, helping simplify maintenance and reduce replacement cost.
| Item | Specification |
| Measurement Method | pH glass electrode / Ag-AgCl reference |
| Range | pH 0-14 |
| Resolution | 0.01 pH; 1 mV |
| Accuracy | ±0.2 pH (2-12 pH, 10-30 °C) |
| Operating Temperature | 0-45 °C |
| Storage Temperature | -10-50 °C |
| Minimum Detection Limit | NA |
| Warranty | 1 year (sensor base); 3 months (pH electrode) |
| Depth | IP68; 10 m maximum |
| Power | DC 5 V, 50 mA normal |
| Output | RS485 and Modbus protocol |
| Materials | PVC and SS316 |
| Dimensions | Length 185.5 mm; diameter 22 mm |
| Flow Rate | < 3 m/s |
| Response Time | Minimum 30 s, T90 |
| Field Life* | Sensor base ≥2 years; electrode ≥8 months |
| Recommended Calibration / Maintenance Frequency* | 4 weeks |









