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    Basic set testo 312-4

    0563 1327
    Differential pressure gauge testo 312-4

    Hose set for testo 312-4

    Balloon pump with release screw

    Conical test plug 1/2"

    Conical test plug 3/4"

    IR report printer

    Pressure set for gas pressure measurements on heating systems

    System case
    Basic set testo 312-4

    • testo 312-4 differential pressure gauge
    • hose set up to 1.2bar for testo 312-4
    • balloon pump with release screw
    • conical test plug 1/2
    • conical test plug 3/4
    • testo fast printer
    • pressure set for gas pressure measurements in heating systems
    • system case

    Temperature - Type K TC

    Measuring range
    dependent on probe type used
    Accuracy
    ±2 °F (Remaining Range) * / ±1 °C (Remaining Range) *
    ±0.7 °F (-148° to 392 °F) * / ±0.4 °C (-100 to +200 °C) *
    *Accuracy information applies only to instrument without probes connected

    Differential pressure (internal sensor)

    Measuring range
    0 to +80 InH₂O / 0 to +200 hPa
    Accuracy
    ±1 InH₂O or ±1 % of full-scale value (16 to +80 InH₂O) / ±2 hPa or ±1 % of fsv (41 to +200 hPa)
    ±1.5 % of mv (+1.2 to +16 InH₂O) / ±1.5 % of mv (+3.1 to +40 hPa)
    ±0.01 InH₂O (0 to +1 InH₂O) / ±0.03 hPa (0 to +3 hPa)
    Resolution
    0.01 InH₂O / 0.01 hPa

    Pressure measurement (external probe)

    Measuring range
    0 to +363 psi / 0 to +25 bar
    Accuracy
    ±0.6 % of full-scale value (>+145 to +363 psi) / ±0.6 % of fsv (>+10 to +25 bar)
    ±0.6 % of full-scale value (0 to +363 psi) / ±0.6 % of fsv (0 to +25 bar)
    Resolution
    10 InH₂O / 10 hPa