The Testo 312-3 (0632 0314) Pressure Meter is a robust manometer for the pre-test and main test on gas and water pipelines, up to 87 psi. Pressure changes caused by shifts in temperature during the measurement are balanced out by the temperature compensation function. Via the adjustable alarm, the instrument immediately issues a warning when limit values are exceeded.
The 312-3 Precision Pressure Meter features DVGW approval according to TRGI.