DLH Series

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The DLH Series Mini Digital Output Pressure Sensor is based on All Sensors' CoBeam2 TM Technology. This reduces package stress susceptibility, resulting in improved overall long term stability and vastly improves the position sensitivity. 

The digital interface option eases integration of the sensors into a wide range of process control and measurement systems, allowing direct connection to serial communications channels. For battery-powered systems, the sensors can entire very low-power modes between readings to minimize load on the power supply.

These calibrated and compensated sensors provide accurate, stable output over a wide temperature range. This series is intended for use with non-corrosive, non-iconic working fluids such as air, dry gases, and the like. A protective Parylene coating is optionally available for moisture/harsh media protection. 

  • Features

    • 5 to 60 inH2O
    • 1.68V to 3.6V Supply Voltage
    • I2C or SPI Interface (Automatically Selected)
    • High Resolution 16/17/18 Bit Output
    • Better than 0.5% Accuracy Over Temperature Typical
  • Applications

    • Medical Breathing
    • Enviromental Controls
    • HVAC
    • Industrial Controls
    • Portable/Hand-Held Equipment

equivalent Circuit

Pressure Sensor Maximum Ratings

Supply Voltage, Vs

3.63 Vdc

Common Mode Pressure

10 psig

Lead Temperature (soldering 2-4 sec.)


Environmental Specification

Compensated Operating



0 to 70°C


-20 to 85°C


-25 to 85°C


-40 to 125°C

Humidity Limits (non condensing)

0 to 95% RH

Available Package

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Pressure Range Differential Absolute Gauge
5 inH2O DLH-L05D -- DLH-L05G
10 inH2O DLH-L10D -- DLH-L10G
20 inH2O DLH-L20D -- DLH-L20G
30 inH2O DLH-L30D -- DLH-L30G
60 inH2O DLH-L60D -- DLH-L60G