DR72 Digital Manometer

The DR72 series of digital manometers offers a dual alternative of use: process manometer/vacuometer on the one hand, reference standard instrument in calibration tasks on the other. The equipment incorporates a pressure sensor with overlapping ranges from vacuum to 350 bar. The material in contact is stainless steel AISI 316 for pressures above 1 bar and therefore admits liquids or gases compatible with that material. For lower pressures it is only suitable for inert gases.

The DR72 series is equipped with a front cover that incorporates a tactile button panel for on/off/zero/configuration states. The manometer offers a wide range of functionalities such as auto power off time, maximum and minimum readings, change of engineering units, tare, alarms, password and additional functions configurable from the keypad itself.

The pressure gauge is encapsulated in a 316 stainless steel box 110 mm in diameter with housing for three AA size batteries that illuminate a large LED display of 350 segments for a numerical and alphanumeric indication backlit at will with LED and high visibility.

It has an external 24 Vdc power input to facilitate its installation in process. In addition, the DR72 can be supplied with a 4-20 mA analog output or configured as a slave in a network of sensors connected via MODBUS RTU RS-485 protocol, which gives the DR72 perfect scalability in distributed control systems (DCS).

Available types of pressure:

– Relative pressure
– Absolute pressure
– Vacuum
– Combined ranges
– Differential pressure



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  • Innovative, precise, detail-designed and versatile product
  • Wide range of functionalities
  • Datalogger function
  • Manometer/vacuometer of process and instrument in calibration tasks
  • Relative pressure, absolute and vacuum
  • Combined ranges (vacuum-pressure)
  • Fluid in contact compatible with stainless steel 316 (for ranges>1 bar)
  • An ideal instrument for a wide range of industrial applications
  • Incertainty from 0.10% FS to 0.05% FS
Technical data


110 mm x 50 mm stainless steel case

Input signal



Pressure, see available ranges (Table A)


0,10% FS – 0,05% FS


5 ½ digits, 21mm high (max. reading 199999)

Fluid in contact

Compatible with stainless steel 316 (for ranges>1 bar)


1/8” BSP male conical 60º.


350-segment LCD with blue LED backlight


Multiple selectable

Food & Beverage

3 x AA (LR6) alkaline batteries + external power supply 10 to 30 Vdc


1200h (in operation without backlight)

Advanced features

Max/min, alarms, tare, password



Storage temperature

-10 a 60ºC

Working temperature

0 a 50ºC

Relative humidity

0 to 95% non-condensing


Supplied with batteries, instruction manual in English, connection cables and factory calibration certificate.


2 years

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