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PS-LB-T20-E LoRaWAN® Air / Liquid Pressure Sensor
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PS-LB-T20-E LoRaWAN® Air / Liquid Pressure Sensor

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The Dragino PS-LB-T20-E is an industrial-grade LoRaWAN® Air and Liquid Pressure Sensor designed for long-range, low-power IoT deployments. Built for accurate monitoring of air, gas, water pressure, and liquid levels, the PS-LB-T20-E transmits real-time data to LoRaWAN® IoT servers over ultra-long distances using LPWAN technology.

This model features a Thread Installation Type (T20) pressure interface, making it ideal for pipeline pressure monitoring, industrial automation, water distribution systems, and tank installations. With ultra-low power consumption and an 8500mAh Li-SOCl₂ battery, the device is engineered for up to 5 years of maintenance-free operation.

Supporting LoRaWAN® 1.0.3 Class A, BLE configuration, and wireless OTA firmware updates, the PS-LB-T20-E is optimized for scalable industrial IoT deployments across utilities, smart cities, manufacturing, and infrastructure projects.

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  • LoRaWAN® 1.0.3 Class A compliant
  • Thread installation pressure sensor (T20 type)
  • Measures air, gas, and water pressure
  • Supports pressure-based liquid level monitoring
  • Ultra-long range LoRa wireless communication
  • High interference immunity
  • Ultra-low power consumption (5uA sleep mode)
  • Bluetooth v5.1 for local configuration
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware upgrade
  • Periodic uplink reporting
  • Battery level monitoring
  • Pre-loaded LoRaWAN® unique keys (OTAA ready)
  • Band support: IN865 

  • Microcontroller
    • 48MHz ARM MCU
    • 256KB Flash
    • 64KB RAM
  • Electrical Characteristics
    • Supply Voltage: 2.5V ~ 3.6V (Built-in battery)
    • Operating Temperature: -40°C to +85°C
  • LoRa Specifications
    • Frequency Range: 862 ~ 1020 MHz (Region dependent)
    • Max RF Output: +22 dBm
    • RX Sensitivity: Down to -139 dBm
    • Excellent blocking immunity
  • Measurement Interfaces
  • Current Input Measuring
    • Range: 0 ~ 20mA
    • Accuracy: ±0.02mA
    • Resolution: 0.001mA
  • Voltage Input Measuring
    • Range: 0 ~ 30V
    • Accuracy: ±0.02V
    • Resolution: 0.001V
  • Battery
    • Type: 8500mAh Li/SOCl₂ (Non-rechargeable)
    • Self-Discharge: <1% per year @ 25°C
    • Max Continuous Current: 130mA
    • Max Boost Current: 2A (1 second)
  • Power Consumption
    • Sleep Mode: 5uA @ 3.3V
    • LoRa Transmit Mode:
      • 125mA @ 20dBm
      • 82mA @ 14dBm

The PS-LB-T20-E is suitable for:

  • Industrial air pressure monitoring
  • Water pipeline pressure monitoring
  • Liquid storage tank level monitoring
  • Borewell and groundwater pressure systems
  • HVAC and compressed air systems
  • Oil & gas pressure monitoring
  • Smart water management systems
  • Municipal infrastructure projects
  • Remote utility monitoring

The PS-LB-T20-E measures air pressure, gas pressure, water pressure, and can also be used for liquid level monitoring using pressure-based measurement principles.

The T20 model is a thread installation type pressure sensor, designed to be mounted directly onto pipelines, tanks, or pressure ports with threaded connectors.

It supports LoRaWAN 1.0.3 Class A, ensuring compatibility with standard public and private LoRaWAN networks.

Documents

PS-LB_User_Manual

Download

PS-LB_Datasheet 

Download

PS-LB_Firmware 

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