SenTec

PM451 Compact Wireless Lora Pressure and Temperature Sensor

PM451 compact Lora wireless transmitter is an industrial pressure transmitter that integrates battery power supply, ultra-low power consumption, wireless communication, temperature or pressure monitoring

MAIN FEATURES

  • Low power consumption, high precision, good stability
  • No wiring required, wireless Lora communication
  • Small size, faster installation

OVERVIEW

PM451 compact Lora wireless transmitter is an industrial pressure transmitter that integrates battery power supply, ultra-low power

consumption, wireless communication, temperature or pressure monitoring. It adopts micro-power wireless communication

mode, does not require wiring, is small in size, and is faster and more convenient to install. There is also a matching wireless

transfer gateway device that can convert many wireless pressure, temperature and other signals into MODBUS standard signals

and transmit them through Ethernet or serial port. It can be easily connected to the measurement and control system and has a

wide range of applications in industry, smart cities, water irrigation and other fields.

Parameters

Power supply range3.6V@2700 mAh disposable lithium-ion battery
Range0kPa~20kPa…70MPa (customizable)
-10~85℃ (customizable)
Measurement mediumgas/liquid, special fluids can be customized
Network formatLoRa
Accuracy level±0.25%
Reporting period30 seconds to 24 hours can be set
Upload informationpressure, temperature, signal strength, battery power, etc.
Battery life1~3 years (related to data upload interval)
Communication signalLora (Semtech)
Transmission distanceSight distance 1000m
Configuration methodserial port, button, gateway configuration (One gateway can connect 32/64
sensors)
Communication protocolPetroChina A11 (other protocols customized)
PowerTransmitting power:  ≤150mW
Signal frequency bandDefault  433Mhz(915MHZ, 433MHZ,868MHZ,2.4G etc customized)

Documents

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