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

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The Dragino PS-LB-T20-F is a LoRaWAN®-enabled air and liquid pressure sensor designed for accurate pressure monitoring in industrial and infrastructure environments. Part of the Dragino PS-LB/LS series, this model features a thread installation type (T20) for secure mounting in pipelines, tanks, compressed air systems, and water distribution lines.

Using LoRaWAN® long-range wireless communication, the PS-LB-T20-F transmits pressure data to IoT servers over ultra-long distances while maintaining extremely low power consumption. Powered by an 8500mAh Li-SOCl₂ battery, it is designed for up to 5 years of maintenance-free operation in remote deployments. The device supports Bluetooth configuration and remote OTA firmware upgrades for simplified installation and lifecycle management.

AIoTkart® is an Authorized Dragino Distributor in India, supplying genuine Dragino LoRaWAN® sensors for industrial automation, utilities, manufacturing, agriculture, and smart infrastructure projects.

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  • LoRaWAN® 1.0.3 Class A compliant
  • Measures air, gas, and liquid pressure
  • Thread installation type (T20 variant)
  • Long-range LoRa wireless communication
  • Ultra-low power consumption
  • 8500mAh Li-SOCl₂ battery (PS-LB version)
  • Up to 5 years battery life (typical usage)
  • Bluetooth v5.1 local configuration
  • LoRaWAN® remote configuration via downlink
  • Wireless OTA firmware updates
  • Battery level monitoring
  • Pre-loaded unique LoRaWAN® keys for quick activation
  • Multiple pressure ranges available

Micro Controller

  • MCU: 48MHz ARM
  • Flash: 256KB
  • RAM: 64KB

Common DC Characteristics

  • Supply Voltage: Built-in battery, 2.5V ~ 3.6V
  • Operating Temperature: -40°C to +85°C

LoRa Specifications

  • Frequency Range (HF): 862 ~ 1020 MHz
  • Supported Bands: CN470 / EU433 / KR920 / US915 / EU868 / AS923 / AU915 / IN865
  • Max RF Output: +22 dBm
  • RX Sensitivity: Down to -139 dBm
  • Excellent blocking immunity

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: Li/SOCl₂ non-rechargeable battery
  • Capacity: 8500mAh
  • Self-Discharge: <1% per year @ 25°C
  • Max Continuous Current: 130mA
  • Max Boost Current: 2A (1 second)

Power Consumption

  • Sleep Mode: 5µA @ 3.3V
  • LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm

The PS-LB-T20-F is ideal for long-term industrial and infrastructure deployments, including:

  • Compressed air system pressure monitoring
  • Industrial gas line monitoring
  • Water distribution pipeline pressure monitoring
  • Liquid storage tank monitoring
  • Process automation systems
  • Irrigation and smart agriculture systems
  • Municipal water infrastructure
  • HVAC and utility pressure systems

Yes. It is designed to measure air, gas, and liquid pressure, making it suitable for compressed air and industrial gas systems.

Yes. It uses LoRaWAN® technology for ultra-long-range wireless communication with low power consumption.

With its 8500mAh Li-SOCl₂ battery and optimized power design, the sensor can operate for up to 5 years under typical reporting intervals.

Documents

PS-LB_User_Manual

Download

PS-LB_Datasheet

Download

PS-LB_Firmware 

Download

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