The WFW-620 is a digital pH sensor with RS485/MODBUS output, IP68 protection and two- or three-point calibration for continuous immersion monitoring.
| Parameter | Specification |
|---|---|
| Dimensions | φ30mm*225.50mm（长度） |
| Weight | 0.3kg |
| Material | 316不锈钢 + POM |
| Sealing ring | Viton Ring+橡胶环 |
| Cable jacket | PVC |
| Ingress protection | IP68 |
| Range | 0.00～14.00 |
| Accuracy | ±0.1 |
| Resolution | 0.01 |
| Data output | RS485，MODBUS |
| Power supply | DC 12～24V，电流<30mA |
| Storage temp. | 0～+60℃ |
| Operating temp. | 0～50℃ |
| Pressure range | ≤0.5MPa |
| Calibration | 两点或三点校准 |
| Cable length | 标配 5m，可选其他长度 |
| Warranty | pH电极12个月（不包括特殊情况） |
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