Manometers

Manometers are instruments used to measure the pressure of liquids and gases, and are vital for maintaining and troubleshooting equipment that uses gas or liquid to operate. Most modern manometers are compact and portable digital instruments that offer greater levels of accuracy, safety and ease of use than older types featuring a U-shaped glass tube filled with liquid mercury.

What are the features of manometers?

Modern manometers are handheld, battery operated and have clear digital screens so that results can be easily read even in awkward places or in bright or dim light. Hi-tech sensors and sophisticated microprocessors give highly accurate readings, while many come with software that allows data to be transferred to laptops, smartphones or tablets for storage or analysis.

Most digital manometers have memory capacity for data logging. A range of maximum pressure measurements are available, and some models are designed to be intrinsically safe for use in hazardous environments.

How do manometers work?

Digital and analogue manometers work on the same principle of fluid displacement. In traditional U-tubed manometers, water fills the tube before a gas line introduces pressure to displace the water. The height to which the water rises is then measured on an analogue scale.

The modern digital manometer can accurately reproduce this process electronically, with pressures typically displayed in pounds per square inch (PSI). They can measure absolute pressure, differential pressure, and gauge pressure. In conjunction with a pitot tube, a manometer can convert pressure readings into air velocity (FPM).

Where are manometers used?

Manometers are used to measure air, gas or fluid pressure in commercial, domestic and industrial environments to ensure that levels remain optimal and safe. They can also be used to troubleshoot system failures and seek out leaks, and are commonly used for food processing, research and education.

In refrigeration systems, digital pressure meters can gauge pressure, vacuum and temperature. They can also help to establish flow and static pressure in gas systems, or be used for pressure-drop testing in gas pipes.


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Description Price Best Accuracy Number of Pressure Ports Maximum Pressure Measurement Minimum Pressure Measurement Pressure Port Type Leak Testing Minimum/Maximum Recordings Data Logging Intrinsically Safe IP Rating Battery Type Display Type Overpressure Maximum Weight
RS Stock No. 312-0523
Mfr. Part No.I705-13G-2388
BrandDruck
MYR2,817.75
Each
units
±0.1 % 1 20bar 0bar - Yes Yes - - IP54 AA LCD 40bar 500g
RS Stock No. 451-1302
Mfr. Part No.I705S-13G-3484
BrandDruck
MYR3,593.46
Each
units
±0.1 % 1 20bar 0bar - Yes Yes - Yes IP54 AA LCD 40bar 500g
RS Stock No. 787-4603
Mfr. Part No.DPI705R-11G
BrandDruck
MYR4,084.08
Each
units
±0.1 % 1 10bar 0bar Gauge Yes Yes - No IP54 AA LCD 20bar 500g
RS Stock No. 312-0517
Mfr. Part No.I705-07G-2388
BrandDruck
MYR2,817.75
Each
units
±0.1 % 1 2bar 0bar Gauge Yes Yes - - IP54 AA LCD 4bar 500g
RS Stock No. 787-4628
Mfr. Part No.DPI705R -20A
BrandDruck
MYR4,084.08
Each
units
±0.1 % 1 350bar 0bar Absolute Yes Yes - No IP54 AA LCD 700bar 500g
RS Stock No. 451-1267
Mfr. Part No.I705S-02L-3484
BrandDruck
MYR3,593.46
Each
units
±0.1 % 2 200mbar 0mbar Differential Yes Yes - Yes IP54 AA LCD 400mbar 500g
RS Stock No. 787-4631
Mfr. Part No.PM620-08G
BrandDruck
MYR9,613.50
Each
units
- - - - - - - - - - - - - -
RS Stock No. 312-0494
Mfr. Part No.I705-02L-2388
BrandDruck
MYR2,817.75
Each
units
±0.1 % 2 0.2bar 0bar Differential Yes Yes - - IP54 AA LCD 400mbar 500g
RS Stock No. 787-4612
Mfr. Part No.DPI705R-16G
BrandDruck
MYR4,084.08
Each
units
±0.1 % 1 70bar 0bar Gauge Yes Yes - No IP54 AA LCD 140bar 500g
RS Stock No. 787-4637
Mfr. Part No.PM620-14G
BrandDruck
MYR9,613.50
Each
units
- - - - - - - - - - - - - -
RS Stock No. 312-0539
Mfr. Part No.I705-07A-2388
BrandDruck
MYR2,817.75
Each
units
±0.1 % 1 2bar 0bar Absolute Yes Yes - - IP54 AA LCD 4bar 500g
RS Stock No. 787-4609
Mfr. Part No.DPI705R-18A
BrandDruck
MYR4,084.08
Each
units
±0.1 % 1 200bar 0bar Absolute Yes Yes - No IP54 AA LCD 400bar 500g
RS Stock No. 451-1295
Mfr. Part No.I705S-07A-3484
BrandDruck
MYR3,593.46
Each
units
±0.1 % 1 2bar 0bar Absolute Yes Yes - Yes IP54 AA LCD 4bar 500g
RS Stock No. 787-4634
Mfr. Part No.PM620-16G
BrandDruck
MYR9,613.50
Each
units
- - - - - - - - - - - - - -