Getting Started; Power Supply; Operation; Measurement - Pce Instruments Pce-Hvac 4 Bedienungsanleitung

4

Getting started

4.1

Power supply

Use a 9 V 0,5 A mains adapter to operate the device or to charge the battery.
5

Operation

5.1

Measurement

5.1.1

Pressure

Hit "Units ▲" to choose the correct measurement range for pressure.
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Hit "P1/P2" to choose between P1, P2 and P1-P2.
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5.1.2

Temperature

Hit "Units▼" to choose the correct temperature scale.
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Hit "T1/T2" to choose between T1, T2 and T1-T2 values.
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ATTENTION: The display will show "- - - -" if the thermocouple is not installed. The display will
show "OL" (overload) if the measured temperature is out of the measurement range of the
thermocouple.
5.2

Further functions

5.2.1

Hold-function

Hit the "Hold" key to freeze the displayed value.
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By pressing the "Hold" button again the Hold-function will be deactivated again.
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5.2.2

Min- /Max- / Avg-function

Hit the "MAX/M N " key to choose between the maximum, minimum or average
-
function.
- Hold the key for three seconds in order to leave that mode again.
5.2.3

Use the offset

Use the offset function to adjust the measurement value and compensate
measurement errors of the thermocouple. The permitted deviation for thermocouples
is ±5 °C.
- Connect the thermocouple to the input socket.
- Place the thermocouple in a known and stable environment (like a calibrator).
- Wait until the measured value is stable.
- The settings menu allows you to adjust the offset until the primary value equals the
calibration value.
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