TESTO 312 - Fine Pressure and Draught Measurement

8
5
152
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08:38
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Measurement
menu
08:38
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Measurement
menu
Measurement
menu selection
with arrow
button.
Switch on
instrument.
- Segment test (3 s)
- Voltage display (3 s)
(See page 6)
- Function check
(See page 7)
3
2
1
4
09:25
2
09:25
- 0.24
Wait on calibration
phase (5 s)
Save reading.
HOLD appears in the
display
The saved readings
can be printed.
Position probe in flue
gas duct. The reading
appears in the display.
Start measurement.
9
8
7
6
10
Measurement example: testo 312-2
Fine pressure / Draught measurement
Connect
probe.
09:25
13.0
testo 312-2: ΔP range 0 to 40 hPa. Resolution: 0.01 hPa
testo 312-3: ΔP range 0 to 300 hPa. Resolution: 0.1 hPa
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