HIS Series

HIS Series

The HIS Series (Heimann Integrated Sensor) devices include thermopile sensor chip, application specific optical filter and an ASIC for analog signal conditioning in a standard TO-39 metal housing. The ASIC amplifies the chip voltage and generates an analog voltage output signal. An integrated linear temperature reference is used for ambient temperature compensation.
In addition to the single channel version (HIS A), we offer a dual version (HIS E222) for gas concentration measurements. For temperature measurements, we have different options of standard temperature filters at our disposal. For gas detection, we offer special filters providing the gas specific center wavelength (CWL) and narrow half power bandwidth (HPBW).

Features and Benefits

Analog infrared thermopile module sensors with one or two channels
  • Integrated ASIC with analog output
  • Integrated linear temperature reference
  • Standard TO-39 package
  • Four different thermopile sensor chips sizes available
  • Large number of filter options
  • Large operating range -20°C to 120°C

    Specifications

    HIS Ax1* HIS Ax2* HIS E222 Unit
    Number of channels 1 1 2
    Supply voltage 5 2.7 to 5.5 2.7 to 5.5 V
    Supply current 1 1 2 mA
    Max. start up time after POR 0.5 0.5 0.5 s
    PSRR >40 >40 >40 dB
    Output voltage range 0.15 to (VDD-0.15) 0.15 to (VDD-0.15) 0.15 to (VDD-0.15) V
    Zero input sensor voltage 1.225 1.2 1.2 V
    Sensor gain preset 5600 4300 or 2150 4300 or 2150 V / V
    Temp. ref. voltage 1.225 1.5 - V
    Sensitivity temp. ref. 15 16 - mV / °C
    Field of view >70 >70 - degree
    Operating temperature -20 .. 120 -20 .. 120 -20 .. 120 °C
    Storage temperature -40 .. 125 -40 .. 125 -40 .. 125 °C
    *x is for the desired thermopile chip (TP). The HIS Series allows TP 1, 1c, 2 and 3.

    Filter Options

    Temperature Measurements

    Gas Concentration Measurements

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    * mandatory information

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