SNB1000TT Intelligent Temperature Display Instrument is a practical instrument that realizes low-cost temperature status online monitoring scheme by adopting American DALLAS one-wire field bus technology. It can be widely used in various applications for real-time temperature data collection and monitoring.
The SNB1000TT series is an intelligent temperature data online monitoring instrument that can acquire, display, alarm, and transmit temperature data from DS1820 digital sensors. It is suitable for a wide range of applications such as SMT industry monitoring, cold‑storage, pharmaceutical GMP, telecom rooms, and power plant environments.
The manual covers technical parameters, typical wiring solutions, interface descriptions, communication protocol, sensor registration procedures, optional accessories, and ordering information, helping users install, configure, and maintain the device. This manual is written in Chinese.
| Measurement range | -55°C to +125°C |
|---|---|
| Resolution | 0.1°C |
| Accuracy | ±0.5°C |
| Measurement speed | 850 ms per point |
| Channel count (single‑bus) | 1–24 points |
| Baud rate | 9600 (customizable) |
| Communication ports | RS232 (optional CAN, RS485) |
| Power supply | DC 5 V 2 A |
| Weight | 500 g |
| Operating temperature | -40°C to +85°C |
| Maximum cable length | ≤450 m |
| Dimensions | 200 × 70 × 175 mm |
The single‑bus interface can connect 1 to 24 sensors, and with expansion the system can support up to 120 points.
The instrument provides a standard RS232 port and can be optionally equipped with CAN or RS485 interfaces.
It requires a DC 5 V, 2 A power supply and consumes about 2 W during operation.
Yes, upper and lower alarm limits can be set online through the device interface.