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    2. Fine pressure probe

    Fine pressure probe - for heating system checks / 4 pascal measurement

    0638 0330
  1. Carrying out heating system checks and 4 pascal measurement with compatible flue gas analyzer and accessories
  2. Simultaneous measurement of gas pressure and flue gas values
  3. No zero point drift during pressure measurement (cyclic zeroing)
    4. Fine pressure probe

    testo 330-1/-2 LL fine pressure probe

    Fine pressure probe.

    General technical data

    Operating humidity
    10 to 90 %rH non-dewing
    Operating temperature
    41.0° to 113.0 °F / 5 to +45 °C
    Protection class
    IP40
    Storage temperature
    -4.0° to 122.0 °F / -20 to +50 °C

    Temperature - Type K TC

    Measuring range
    -328.0° to 572.0 °F (with surface probe 0604 0994 (accessory)) / -200 to +300 °C (with surface probe 0604 0994 (accessory))
    Depends on probe, max. -40.0° to 2192.0 °F / Depends on probe, max. -40 to +1200 °C
    Accuracy
    ±0.9 °F (-40° to 212.0 °F) / ±0.5 °C (-40 to +100 °C)
    ±0.5 % of mv (Remaining Range) additionally ±1 digit, additionally accuracy of probe
    Resolution
    0.1 °F / 0.1 °C
    Measuring rate
    max. 1 / sec

    Differential Pressure

    Measuring range
    -40.0 to +40.0 InHâ‚‚O / -9999.9 to +9999.9 Pa
    Accuracy
    ±0.0 InH₂O (0 to +0.04 InH₂O) / ±0.3 Pa (0 to +9.99 Pa)
    ±3 % of mv (+0.04 to +40.0 InH₂O) additionally ±1 digit / ±3 % of mv (+10.00 to +9999.9 Pa) additionally ±1 digit
    Resolution
    0.01 InH₂O (-0.60° to 0.60 InH₂O) / 0.01 Pa (-149.99 to +149.99 Pa)
    0.1 InHâ‚‚O (Remaining Range) / 0.1 Pa (Remaining Range)
    Measuring rate
    max. 1 / sec