testo 312-3 - Pressure measuring instrument up to 300/6000 hPa

Order-Nr.  0632 0314

  • Load and tightness tests of gas pipes

  • Pressure testing of water pipes using air

  • Switchable measuring ranges with high resolution

  • Alarm indicator for undershooting of freely adjustable limit values

testo 312-3, robust manometer up to 300/6000 hPa, DVGW approval, incl. alarm display, battery and calibration protocol

Product Description

testo 312-3, the versatile manometer for the pre-test and main test on gas and water pipelines up to 87 psi. Pressure changes caused by changes in temperature during the measurement are balanced out by the temperature compensation function.

 

Delivery Scope

testo 312-3 pressure measuring instrument, including battery and calibration protocol.
Pressure measurement

Measuring range

-120 to 120 InH₂O / -300 to 300 hPa

-2400 to 2400 InH₂O / -6000 to 6000 hPa

Accuracy

±0.2 InH₂O (0 to +20.0 InH₂O) / ±0.5 hPa (0 to +50.0 hPa)

±1.5 % of mv (> 20 InH₂O) / ±1.5 % of mv (> 50 hPa)

±2 InH₂O (0 to +160 InH₂O) / ±4 hPa (0 to +400 hPa)

±2 % of mv (+160 to +800 InH₂O) / ±2 % of mv (+400 to +2000 hPa)

±4 % of mv (+800 to +2400 InH₂O) / ±4 % of mv (+2000 to +6000 hPa)

Resolution

1 InH₂O (-2400 to +2400 InH₂O) / 1 hPa (-6000 to +6000 hPa)

0.1 InH₂O (-120 to +120 InH₂O) / 0.1 hPa (-300 to +300 hPa)

Overload rel. (low pressure)

±3200 InH₂O / ±8000 hPa

General technical data

Dimensions

8 x 3 x 2 in. / 215 x 68 x 47 mm

Operating temperature

41° to 113 °F / +5 to +45 °C

Housing

ABS

Alarmsignal

audible; rpm - Optical

Alarm untere Grenze

-0.04 hPa

Alarm upper threshold

100 hPa

Battery type

9V block battery

Display type

LCD

Display size

2 lines

Storage temperature

-4° to 140 °F / -20 to +60 °C

Weight

11 oz. / 300 g