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- testo 312-4
0632 0327
testo 312-4 - Differential pressure measuring instrument up to 200 hPa
0632 0327
testo 312-4 - Differential pressure measuring instrument up to 200 hPa
Differential pressure gauge testo 312-4
- Tightness testing and load testing on gas pipes
- Serviceability testing with air by pressure drop on gas pipes
- Pressure testing on drinking water and waste water pipes using air
- Automatic recording of measuring values over several hours
Temperature - Type K TC
Temperature - Type K TC | Measuring range dependent on probe type used |
|---|---|
Accuracy ±0.7 °F (-148° to 392 °F)* / ±0.4 °C (-100 to +200 °C)* ±2 °F (Remaining Range)* / ±1 °C (Remaining Range)* | |
Resolution 0.01 °F t1 / 0.01 °C | |
| *Accuracy information applies only to instrument without probes connected | |
Differential pressure (internal sensor)
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) ±0.01 InH₂O (0 to +1 InH₂O) / ±0.03 hPa (0 to +3 hPa) ±1.5 % of mv (+1.2 to +16 InH₂O) / ±1.5 % of mv (+3.1 to +40 hPa) | |
Resolution 0.01 InH₂O / 0.01 hPa | |
Pressure measurement (external probe)
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 145 psi) / ±0.6 % of fsv (0 to 10 bar) | |
Resolution 4 InH₂O / 10 hPa | |
testo 312-4 differential pressure measuring instrument, including battery and calibration protocol.
