SenTec

PM453 Battery-powered Wireless LoRa Pressure Transmitter

PM453 wireless Lora pressure transmitter is a high-efficiency, cost-effective LoRa communication product launched by our company for the IoT industry. Combining flexibility, high stability, broad compatibility, strong interoperability, a compact form factor, and affordability, it meets the requirements of most industrial applications and is suitable for a wide range of vertical sectors, including smart communities, smart fire safety, smart homes and buildings, smart metering, smart agriculture, and smart logistics.

PM453 wireless Lora pressure transmitter is a high-efficiency, cost-effective LoRa communication product launched by our company for the IoT industry. Combining flexibility, high stability, broad compatibility, strong interoperability, a compact form factor, and affordability, it meets the requirements of most industrial applications and is suitable for a wide range of vertical sectors, including smart communities, smart fire safety, smart homes and buildings, smart metering, smart agriculture, and smart logistics.

Parameters

Measurement range0–25 bar
Overload pressure200% FS
Combined accuracy±0.5%, ±1%
Temperature compensation range-10 to 70°C
Long-term stability±0.3% FS/year
Operating temperature-40 to 85°C
Storage temperature-40 to 125°C
Power supply3 VDC battery
CurrentAs low as 10 µA
Communication methodLoRa
Communication protocolLoRaWAN
Wireless frequency band470–510 MHz
Communication frequencyAdjustable (e.g., once per day)
Sampling frequencyAdjustable (e.g., once every 60 seconds)
Ingress protection ratingIP65
Media compatibilityVarious fluids non-corrosive to 304 stainless steel
Vibration10 g RMS (20–2000 Hz)
Shock100 g, 11 ms
Insulation>100 MΩ @ 250 VDC
Response time<1 ms (@ 90% FS)
CE certificationEMC: IEC 61326-1 Class B; Electrostatic Discharge (ESD) Immunity: IEC 61000-4-2

Electromagnetic Field Immunity: IEC 61000-4-3;EFT Immunity: IEC 61000-4-4

Surge Immunity: IEC 61000-4-5

Documents

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