HM675 Hydronic Manometer

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HM675 Hydronic Manometer Specification

Measurement Range
60 psi

Diameter
152 mm x 89 mm x 38 mm (6 x 3.5 x 1.5)

Resolution
0.001 psi

Equipment Type
Digital Hydronic Manometer

Protection
ABS impact resistant case

Application Media
Hydronic water, air

Flow Rate
Displays Directly (with correct input)

Humidity %
0-95% non-condensing

Pressure Range
-60 to +60 psi

Sensor Type
Sensor differential

Temperature Range
32F to 122F (0C to 50C)

Material
ABS plastic

Power Supply
9 V Alkaline battery

Power Consumption
Low power consumption

Accuracy
1.0% of reading 0.005 psi

Display Type
Large Digital LCD

Range
-60 to +60 psi

Operation Modes
Differential and gauge pressure

Auto Power Off
Yes

Zero Adjustment
Push button

Backlight
Yes

Sampling Rate
1 reading per second

About HM675 Hydronic Manometer

Kit Includes

Instrument
Hard carrying case
(2) 6.7 ft x 1/4-in. (2 m x 6 mm) hoses with shut-off valves
(2) B&G readout probes
(2) P/T gauge adapter probes
Power cord

Features and benefits

Provides for inputs for two temperature probes
Differential pressure range ±300 psi (±2068 kPa)
Gauge pressure range -20 to 300 psi (-138 to 2068 kPa)
Reads in. H2O, ft. H2O, psi, in. Hg, mm H2O, kPa, mm Hg, or bar
Large backlit display for use in low light areas
Operates on four alkaline or NiMH rechargeable batteries
Robust, splash-proof case
Meter weight with batteries is 2.65 lbs (1.20 kg)

Advanced Measurement Capabilities

The HM675 offers both differential and gauge pressure measurement modes, providing flexibility for a range of hydronic applications. With its direct flow rate display (when supplied with the right input) and 0.001 psi resolution, it delivers reliable and precise diagnostics, making it indispensable for service providers and technicians working in heating and cooling systems.

User-Friendly Features

Designed for ease of use, the HM675 features a push-button zero adjustment, a large digital LCD with backlight for visibility in all lighting, and an automatic power-off to conserve battery life. The device's compact dimensions and lightweight ABS plastic construction ensure portability and durability in demanding environments.

Reliable and Accurate Performance

With an accuracy of 1.0% of reading 0.005 psi, the HM675 delivers trustworthy results. It operates effectively in temperatures ranging from 32F to 122F (0C to 50C) and 0-95% non-condensing humidity, making it suitable for both indoor and outdoor settings across India.

FAQ's of HM675 Hydronic Manometer:

Q: How do I operate the HM675 Hydronic Manometer for differential pressure measurement?

A: To measure differential pressure, simply connect the device's ports to the appropriate points in your hydronic system, select the differential mode, then press the zero adjustment button before beginning measurements for optimal accuracy.

Q: What are the main benefits of using the HM675 in hydronic systems?

A: The HM675 offers accurate real-time monitoring, easy-to-read digital displays, user-friendly operation, and a robust, impact-resistant casing, making it ideal for troubleshooting, maintenance, and system balancing in hydronic applications.

Q: When should I use the zero adjustment feature on the HM675?

A: You should use the push-button zero adjustment before taking any new series of measurements, or if you notice drifts in readings, to ensure the device is correctly calibrated to ambient pressure conditions.

Q: Where is the best place to use the HM675 Hydronic Manometer?

A: The HM675 is best utilized in environments where monitoring hydronic water and air pressures is required, such as HVAC installations, system commissioning, or routine maintenance-either on-site or in the workshop.

Q: What process should I follow to measure flow rate with this manometer?

A: To measure flow rate, ensure the correct input (such as a pitot tube or other velocity-measuring accessories) is connected. The HM675 will then display the calculated flow rate directly on its LCD screen, streamlining the diagnostic process.

Q: How does the HM675's power-saving feature benefit users?

A: The auto power-off function and low power consumption of the HM675 extend battery life, reducing downtime for battery changes and ensuring consistent reliability during regular fieldwork or service operations.

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