MANOMETERS
Pressure gauges
Discover the full range of manometry Distributed by Comhas: reliable instruments for measuring pressure, differential pressure, and low pressure, ideal for the most critical needs in the industrial, HVAC, automation, and security sectors.
Comhas is an official distributor of Dwyer Instruments, with lines such as Magnehelic®, Minihelic® and Photohelic®, which guarantee precision, durability and compliance also in ATEX/IECEx versions for classified environments.
Comhas also offers a complete solution of branded pressure gauges Comhas, the result of many years of experience in the measurement instrumentation sector.
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Our offer includes:
- manometry high-precision analog panel and wall-mounted, with Hastelloy or Teflon-coated membrane;
- manometry differentials for low pressures, also with LCD display and integrated relay;
- cheap versions like the manometry in molded plastic, manometry inclined or vertical liquid columns;
- pressure gauges with special functions: Photohelic® with adjustable alarm thresholds, AT/ATEX series for additional safety.
Features of Comhas pressure gauges
- High precision: manometry differential and analog with high precision classes, suitable for critical measurements even at low pressures.
- Environmental versatility: pressure gauges in watertight enclosures, resistant to dust, humidity, and corrosive agents; ATEX versions for safety in explosive environments.
- Integrated features: Photohelic® models with adjustable alarms and relays for automatic monitoring and operational safety.
- Wide range of types: Digital, analog, diaphragm, liquid column, panel or wall pressure gauges, special materials such as Hastelloy or PTFE for aggressive fluids.
- Suitable for every need: from compact and economical solutions to precision versions for laboratories or complex industrial systems.
Trust Comhas' experience to choose the gauge The one that best suits your needs. Browse our full range of pressure gauges and request assistance or a personalized quote from our technical team to find the ideal instrument for your system.
• 2000 Series
• Differential pressure gauge for low ranges
• Accuracy ±2%-81 fields
• Version with IP6S waterproof case
Now available from Dwyer is the popular, high-precision Magnehelic HA pressure gauge.
Supplied with anti-parallax scale and manufacturer's calibration certificate.
Optionally it can be supplied with a stainless steel front ring.
• Series 2-5000.
• Differential pressure gauge for low ranges.
• Accuracy ±5%.
• Economic.
• Compact.
• Version with IP66 waterproof case.
Ideal for measuring low pressures
Overpressure max 30% VFS
Ideal for low pressures
Ideal for viscous liquids
High overpressure
Optional alarms
• Ranges from 0-60 mBar to 0-1000 Bar.
• Accuracy class: 0,25.
Stainless steel body
Diameters from 63 to 250 mm (MX series)
Diameters from 63 to 150 mm (MXG series)
Optional alarms
Maximum safety for the operator
Diameters from 100 to 150 mm
Stainless steel wet parts
• 3000MR – 3000MRS Series.
• Differential pressure gauge with 2 adjustable alarm thresholds.
• 3000MR Series: 2 SPDT contacts.
• 3000MRS Series: 2 solid state relays.
• 24 Vdc power supply.
• 3000MR – 3000MRS Series. in 316 stainless steel watertight case
• Differential pressure gauge with 2 adjustable alarm thresholds.
• 3000MR Series: 2 SPDT contacts.
• 3000MRS Series: 2 solid state relays.
• Pressure sockets with 1/4” F fittings
• A3000 – 43000 Series.
• Differential pressure gauge with two adjustable alarm thresholds.
• Accuracy ±2%.
• Power supply 110/220 Vac.
• Switch repeatability 1%.
• Capsu-Photohelic series suitable for liquids.
• A3000 series alarm pressure gauge is now available from Comhas in Atex/IECEX Exd execution as a single instrument.
• 3 in 1, indication, min alarm, max alarm
• Repeatability ±2%
• Dwyer® Series 3000MR/MRS Differential Pressure Gauge with Alarms is now available from Comhas in Atex/IECEX Exd execution as a single instrument
• 2 adjustable alarm thresholds
• Power supply 24 Vdc
• The well-known Dwyer® Magnehelic® series pressure gauge is now available from Comhas in Atex/IECEX Exd execution as a single instrument.
• Fields with central zero
• Measurement of positive, negative, differential pressures
The QDP series, made by Comhas, is born from the union of the ADPS pressure switch with the Magnehelic® and Minihelic® analog pressure gauges and the LECMK series liquid column. The QDP series is supplied on an aluminum plate and is ready to be connected to the colored pressure ports on the lower side, without having to make connections with T or other. The PVC pipes and the rear fittings are made of plastic material.
• Economical digital gas pressure gauge with selectable engineering units.
• 1% accuracy, zero button.
• Ideal for installation on compressor.
• Digital pressure gauge suitable for gases and liquids with engineering unit selection.
• Accuracy 1%.
• Ideal for pressure monitoring on compressed air lines and refrigeration circuits.
• Accuracy: ±0,5% fs
• Battery powered.
• Ranges from -1 Bar to 345 Bar.
• Selectable engineering unit.
±0.25% full scale.
• Battery powered.
• Ranges from 1 to 345 Bar.
• Selectable engineering unit.
• Accuracy 0.25% fs
• 2 SPDT contacts
• Analog output 4-20.
• Warehouses
• Air conditioned rooms
• Weather stations
• Suitable for low pressure and differential pressure measurements, for quick and safe monitoring.
• Zero adjustment screw.
• Large liquid tank.
• Liquid does not leak in the event of slight momentary overpressures.
• Supplied with filling fluid, screws and instructions.
• Robust.
• Economic.
• Accuracy ±3%.
• Body in plastic material.
• Easily visible scale.
• Series 25 inclined/vertical ladder.
• Series 40 inclined ladder.
• Robust.
• Economic.
• Accuracy ±3%.
• Body in plastic material.
• Easily visible scale.
• Series 25 inclined/vertical ladder.
• Series 40 inclined ladder.
• U-tube made of rigid plastic material.
• Scales in mm or inches.
• Various scales from 200 to 1000 mm.
• Magnetic supports.
• Trap to prevent liquid from leaking out.
