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  • PSM-AB

    Ultra-Small Sized Pressure Transducers with Strong Fluorocarbon Resin Cable

    PSM-AB series is the smallest pressure sensor in Kyowa products designed based on integration of sensor element and diaphragm. This sensor adopts quarter bridge 3-wire system and configures a full bridge in a bridge adaptor. In addition, this sensor is installed by adhesives. Developed mainly for gas pressure measurement, PSM-AB series can measure more transducers.
    Features
    ?? Bridge adapter Standard Accessories
    Note
    (1) Copper alloy is used for sensing element. Avoid measuing corresive liquids or gases.
    (2) The mainframe has been assembled using an epoxy adhesive. Do not therefore use the transducer to measure organic solvent. (eg. Toluene, ketone and others)
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    Specifications
    Model Rated Capacity Natural Frequency
    (Approx.)
    Remarks
    PSM-1KAB 100kPa 3kHz Bridge adapter
    Attached standard
    PSM-2KAB 200kPa 3kHz
    Performance
    Rated Capacity See table above
    Nonlinearity Within??1% RO
    Hysteresis Within??1% RO
    Rated Output 0.275??mV/V (550??m/m) ??25% (PSM-1KAB)
    0.38??mV/V (760??m/m) ??25% (PSM-2KAB)
    Note: Rated output is sorted to one of the classes divided by every 0.007 mV/V difference in output value. Since the rated output stated in the Test Data Sheet is the center value of the class, it may have a maximum error of ??0.0035 mV/V.
    Environmental Characteristics
    Safe Temperature Range -20 to 70??C
    Compensated Temperature Range 0 to 50??C
    Temperature Effect on Zero Balance Within??1% RO/??C (PSM-1KAB)
    Within??0.5% RO/??C (PSM-2KAB)
    Temperature Effect on Output Within??0.3%/??C
    Electrical Characteristics
    Safe Excitation Voltage 5V??0.1V AC or DC
    Recommended Excitation Voltage 2V??0.1V AC or DC
    Input Resistance 350???1%
    Output Resistance 350???1%
    cable Transducer: 3-conductor fluoroplastic coated cable,
    0.3 mm diameter by 50 cm long
    Bridge adapter: 4-conductor vinyl coated cable,
    1.3 mm diameter by 15 cm long, bared at the tip
    (Shield wire is not connected to mainframe.)
    Mechanical PropertiesConnector
    Safe Overload Rating 150%
    Weight Approx. 0.5 g
    (including cable but not bridge adapter)
    Protection Rating IP61
    (excluding bridge adapter)
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