
pH Sensor
SS307-02-RS485
工业级 pH RS485变送器
产品亮点
● RS485 with standard Modbus-RTU protocol.
● Configurable address and baud rate; default address 0x01 and 4800 bit/s.
● Automatic or manual temperature compensation.
● Wide-voltage DC 10–30 V input; compact wall-mount enclosure.
● Configurable address and baud rate; default address 0x01 and 4800 bit/s.
● Automatic or manual temperature compensation.
● Wide-voltage DC 10–30 V input; compact wall-mount enclosure.
产品概述
• SS307-02-RS485 combines a pH/temperature acquisition circuit with an RS485 Modbus-RTU interface.
• Configurable device address and baud rate simplify connection to a PLC, computer, data logger or customer SCADA system.
• It is suited to industrial wastewater, domestic wastewater, agriculture, aquaculture and other weakly acidic or weakly alkaline liquids.
| Item | Specification |
| Model | SS307-02-RS485 |
| Power Supply | DC 10–30 V wide-voltage input |
| Power Consumption | 0.6 W typical |
| pH Measurement Range / Resolution | 0–14.00 pH / 0.01 pH |
| pH Measurement Error / Repeatability | ±0.15 pH / ±0.02 pH |
| Temperature Range | 0–80 °C; flat desulfurization electrode: 0–60 °C |
| Temperature Resolution / Error | 0.1 °C / ±0.5 °C |
| Temperature Compensation | Automatic or manual; manual default 25 °C |
| Operating Environment | 0–60 °C; relative humidity <85% |
| Electrode Pressure | 0.6 MPa |
| Electrode Cable / Life | 5 m default; 10/15/20 m customizable; approximately 6–12 months |
| Communication | RS485; Modbus-RTU; address 1–254; baud 1200–115200 bit/s |
| Data Format | 8 data bits, no parity, 1 stop bit; CRC-16 |
| Enclosure | Wall-mount enclosure; maximum 117 × 87 × 43 mm |









