The SLMT2-2 is a low‑cost, integrated temperature and humidity data collection module that uses MODBUS‑RTU for communication. It can be applied to various environments such as factories, data centers, and cold storage, offering multiple usage scenarios like temperature monitoring, humidity control, and data logging.
The device supports both RS485 and RS232 interfaces (with optional RS232‑USB converter), a configurable baud rate of 9600 bps, and a wide power input range of DC 7‑36 V. Technical specifications include a temperature range of –40 °C to +123.8 °C, humidity range of 0‑100 % RH, and compact dimensions of 90 × 66 × 26 mm. This manual is written in Chinese.
| Temperature measurement range | -40 to +123.8 °C |
|---|---|
| Humidity measurement range | 0 to 100 % RH |
| Temperature accuracy | ±0.5 °C (SHT10) |
| Humidity accuracy (SHT10) | ±4.5 % RH |
| Baud rate | 9600 bps |
| Communication ports | RS485, RS232 |
| Power supply | DC 7‑36 V, 1 A |
| Dimensions | 90 × 66 × 26 mm |
The module supports RS485 and RS232 interfaces, and can use an RS232‑USB converter for PC connections.
The device operates from a DC supply of 7 V to 36 V at up to 1 A, consuming about 2 W.