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Pressure

These pressure meters allow HVAC/R professionals to measure pressure in manifolds, static pressure, and pressure drops in buildings or ventilation systems. Monitor evacuation of air conditioning, refrigeration, and heat pump systems. Find a wide selection of these meters to fit your application.


Testo 6321 Differential Pressure Transmitter, -100 to 100 Pa, 4 to 20 mA-

Designed for air conditioning and ventilation applications, this differential pressure transmitter measures -100 to 100 Pa with a 4 to 20 mA analog output (4-wire, 24 V AC/DC). Additionally, a magnetic valve performs automatic zero-point adjustment for long-term accuracy. It is available with or without a display.


Testo 6351 Differential Pressure Transmitter, 50 Pa to 2000 hPa-

Measuring differential pressure across a 50 Pa to 2000 hPa range, this transmitter uses automatic zero-point adjustment for high accuracy and long-term stability. Additionally, it calculates flow velocity and volume flow and supports configurable alarm management. It suits differential pressure monitoring between rooms and drying-process control.


Testo 6381 Differential Pressure Transmitter, 10 Pa to 1000 hPa, ±0.5%-

Measuring differential pressure from 10 Pa to 1000 hPa, this transmitter maintains positive pressure in controlled environments and calculates flow velocity from the reading. Additionally, an optional probe adds simultaneous humidity and temperature measurement, and automatic zero-point adjustment preserves accuracy. It includes self-monitoring with an early-warning alarm.


Testo 6383 Differential Pressure Transmitter, 10 Pa to 10 hPa, ±0.3%-

Measuring differential pressure from 10 Pa to 10 hPa, this transmitter is built in a flat, cleanroom-conform panel design for flush wall integration. Additionally, an optional probe adds simultaneous humidity and temperature measurement, and automatic zero-point adjustment preserves accuracy. It includes self-monitoring for use in operating theatres and isolation rooms.