Description
1.1 Detection parameters and resolution
| Data Field | Resolution | Data Range | Accuracy |
| pH | 0.01pH | 0 ～ 14 | ±0.05pH |
| EC | 1μS/cm | 0 ～ 10,000μS/cm | ±2% F.S |
| 10μS/cm | 10.1 ～ 200mS/cm | ||
| TDS | 1ppm | 0 ～ 10,000ppm | ±2% F.S |
| 10ppm | 10.1 ～ 200ppt | ||
| Water temperature | 0.01℃ | 0 ～ 60℃ | ±0.5℃ |
| Salinity | 0.001% | 0 ～ 5% | ±0.1% |
| 5.1 ～ 25% | ±1% |
1.2 Operating voltage: default DC5V±0.2V @150mA, can be contacted to customise 6-36V wide voltage
1.3 Working environment: working temperature 0 ~ 60°C
1.4 Mode of communication
- TTL serial port (X-SSH-A0501-TTL)
- Modbus-RTU 485 interface (X-SSH-A0501-RS485)
Note: TTL serial port can be directly connected to the microcontroller, if you need to connect to the computer (USB or COM), please use the corresponding adapter according to the actual physical interface (such as: ‘USB to TTL’ or ‘TTL to RS232’).
1.5 Warm-up time: less than 1 minute
1.6 Service life: 3 years
1.7 Definition of Wiring
| Serial Number | Name | Desc. |
| 1 | RX/B | Serial Receiver / RS485_B |
| 2 | TX/A | Serial Transmitter / RS485_A |
| 3 | GND | grounding wire |
| 4 | VIN | DC5V input or 6-36V input (customised) |
Note: Connectors are spaced at 2.0mm and 90° pin connections are used unless otherwise specified.
TTL interface level of 3.3V
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