Low Power Pressure Transmitter for Liquid and Gas Media with Built-in Temperature Sensor

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Suitable for following applications:

  • Pump Performance Monitoring
  • Water Pipeline Pressure Monitoring
  • Pressurised System Monitoring
  • Chiller and Cooling System Monitoring
  • Hydraulic and Pneumatic Systems Monitoring • Liquid Storage Level Monitoring
  • Spraying System Monitoring
  • Air Compressor Monitoring
# AS 923
# AU 915-928
# End Device
# EU 863-870
# Industrial IoT
# Outdoor
# US 902-928


Main Features:

  • Compatible with all LoRaWAN® frequencies
  • Wide range of industrial applications
  • High accuracy
  • Designed to meet outdoor applications
  • Long-term durable performance in harsh environment
  • Ultra-low power
  • Suitable for liquids and gases compatible with SS
Selectable between 0~0.5 to 0~1000 bar
0.25 (typ.) %Span (combined linearity, hysteresis, repeatability)
Temperature Accuracy:
2 (typ.) °C (temperature sensor is mounted on the back of pressure sensor and doesn’t reflects the media temperature)
0.01 %Span
Pressure Reference:
Vented Gauge, Sealed Gauge, Absolute
Temperature Coefficient of Zero:
0.02 %FS/°C
Temperature Coefficient of Span:
0.02 %FS/°C
Long Term Stability (1 Year):
0.2 %Span
Pressure Overload:
300 (range<1bar); 150 (higher range) %FS
Pressure Cycles (Zero to Full Scale):
10+ Million
Compensated Temperature:
-10 ~ +70 °C
Power Supply:
Built-in Replaceable Lithium Battery, External Power
Rated Voltage:
Battery Lifetime:
50,000+ readings and 10,000+ transmission (More than 10 years for most applications)
Physical Specification
O-ring: Viton, Body: SS304, Diaphragm: SS316, Oil: Silicon / Olive, Enclosure: ASA/POM
Process Connection:
G1/4 Male (or others on request)
Protection Rate:
IP65 /IP67, UV Protected
LoRaWAN Version, Class:
1.0.2revB, Class A (Class C on request)
LoRaWAN Activation Type:
OTA (default), ABP
Sampling Type:
Periodic (default), Event triggered
Sampling Period:
Configurable via downlink (default 4 hours)
Transmission Type:
Per sample (default), Event triggered, Conditional
Parameter Configuration:
Over-the-air via LoRaWAN® downlinks
Locally via wireless connectivity
Firmware Update:
Locally via wireless connectivity, Over The Air

Technical details

PTD2-L - Frequency Zone - Range - (customised options)

Note: Standard product comes with AU 915-928MHz, 5m range and external antenna

PTD2-L's Distributors

World's 1st Integrated LPWAN Pressure Measurement System