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312-1 Manometer Pressure,
Vacuum Meter. Measuring range ±40hPa
312-2 Manometer Pressure, Vacuum Meter. Measuring range ±200hPa
312-3 Manometer Pressure, Vacuum Meter. Measuring range ±300hPa, ±6000hPa
The new Testo
312 pressure gauges are practical electronic alternatives to
manual instruments for
testing gas pressure. DVGW approved reliability.
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Clear
display with time
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Switchable
precision range with a high
resolution
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With alarm
function
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Printout of
data incl. software, instrument
number, date/time on Testo printer
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Quick data
printout on location
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DVGW
approval
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Freely adjustable
alarm limits.
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Printout feature.
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Pressure
drop test on gas pipes, including
fittings.
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Differential
Pressure measurements on
heating instruments.
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Checks
flue draught limit value.
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Monitors
combustion chamber flame,
ionization current measurement.
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Technical
Specifications
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| Pressure Measurement |
Testo 312-1 |
Testo 312-2 |
| Measuring Ranges |
±40hPa |
±200hPa |
| Resolution |
0.01hPa |
0.1hPa |
| Accuracy |
0.03hPa (<3.00hPa)
±1.5% of M.V (>3.00hPa) |
±0.5hPa (<50hPa)
±2hPa (>50hPa) |
| Substances which can be
measured |
All non-corrosive
gases. |
| Alarm Display |
Audible and visual
alarm when limit values exceeded. |
| Max Overload |
1 bar |
| Pressure Measurement |
Testo
312-3 |
| Measuring Range |
±300hPa |
±6000hPa |
| Accuracy |
±0.5hPa (<50hPa)
±2hPa (>50hPa) |
±4hPa (<400hPa)
±1% of MV (>400hPa) |
| Resolution |
0.1hPa |
1hPa |
| Substances which can be
measured |
All non-corrosive
gases. |
| Alarm Display |
Audible and visual
alarm when limit values exceeded. |
| Max Overload |
3 bar |
| Warranty |
2 years |
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