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Dwyer USA DM-1122 Digi Mag Differential Pressure Gauge

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Dwyer USA DM-1122 Digi Mag Differential Pressure Gauge

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Dwyer USA DM-1122 Digi Mag Differential Pressure Gauge Specification

Sensor Type
Differential Pressure Sensor

Grade
Industrial

Seal Material
Buna-N

Thread
1/8 NPT female

Display
Digital LCD

Outer Size
Approximately 4.13 x 4.13 x 2.13 (105 x 105 x 54 mm)

Material
ABS plastic housing

Processing Type
Factory calibrated

Diameter
Approximately 4.13 inches (105 mm)

Glass Size
No glass; digital display

Mount Type
Surface or Panel Mount

Scale Range
0-2 WC (inches water column)

Accuracy
1% of full scale

Finishing
Durable ABS housing

Measure Pressure Of
Air or compatible gases

Accessories
Mounting brackets, Instruction manual

Model
DM-1122

Weight
Approx. 250 grams

Enclosure Rating
Not rated for outdoor use

Mounting Orientation
Vertical preferred

Overpressure Limit
2 psi maximum

Output
No analog output

Zero Adjustment
Push button

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

Response Time
1 second

Application
HVAC, clean rooms, filter monitoring

Power Supply
9 VDC battery

Dwyer USA DM-1122 Digi Mag Differential Pressure Gauge Trade Information

Payment Terms
Cash on Delivery (COD), Cash Against Delivery (CAD), Cash in Advance (CID), Cheque, Cash Advance (CA)

Main Export Market(s)
North America, Eastern Europe, Middle East, Africa, South America, Western Europe, Central America, Australia, Asia

Main Domestic Market
All India

About Dwyer USA DM-1122 Digi Mag Differential Pressure Gauge

Dwyer USA DM-1122 Digi Mag Differential Pressure Gauge

Dwyer Instruments DM-1122

Digi Mag Differential Pressure Gauge Range 0.25-0-0.25" w.c.0

The Digi Mag Series DM-1000 Digital Differential Pressure and Flow Gages monitor the pressure of air and compatible gases just as its famous analog predecessor the Magnehelic Differential Pressure Gage. All models are factory calibrated to specific ranges. The 4-digit LCD can display readings in common English and metric units so conversions are not necessary. The simplified four button operation reduces set up time and simplifies calibration with its digital push button zero and span. The DigiMag Digital Gages are more versatile than analog gages with their ability to be field-programmed to select pressure, air velocity or flow operation depending on model. The DigiMag Digital Gages have an added feature for filter applications where a set point can be input where the display will blink when the filter is dirty, alerting the user that a maintenance action needs to occur. Programming the Series DM-1000 is easy using the menu key to access 4 simplified menus which provide access to, depending on model: security level; engineering units; K-factor for use with various Pitot tubes and flow sensors circular or rectangular duct size for volumetric flow operation; filter set point; view peak and valley process readings; digital damping for smoothing erratic process applications; display update to conserve battery life; zero and span field calibration. The Series DM-1000 DigiMag Digital Differential Pressure and Air Flow Gages possess a full-scale accuracy of 1% on ranges down to 2 in H2O and 2% accuracy down to the very low range of 1 inch to 0.25 in H2O. Digi Mag Digital Differential Pressure Gages offer power versatility by working with 9-24 VDC line power or simply 9V battery power. If using line power and connecting the 9V battery, the battery will act as a back-up if line power is lost or interrupted.

Reliable Measurement for Air and Gas Applications

The DM-1122 is engineered for accurate differential pressure measurement of air or compatible gases. Its fast response time and 1% full-scale accuracy ensure dependable monitoring in environments such as HVAC systems, clean rooms, and filter applications. The device is factory-calibrated for immediate use and features a digital LCD for clear readouts.

User-Friendly Installation and Operation

Mounting the DM-1122 is straightforward, with surface or panel mount options and included brackets. The unit is lightweight, with vertical orientation preferred for optimal performance. Zero adjustment is quick via the push button. Its durable ABS housing ensures longevity in industrial settings, though it is not rated for outdoor use.

FAQs of Dwyer USA DM-1122 Digi Mag Differential Pressure Gauge:

Q: How do I install the DM-1122 Digi Mag Differential Pressure Gauge?

A: Installation is simple: use the included mounting brackets for surface or panel placement, preferably in a vertical orientation to ensure accurate readings. The 1/8 NPT female thread enables secure connection to your pressure lines.

Q: What types of applications is the DM-1122 suitable for?

A: This gauge is ideal for HVAC systems, clean rooms, and filter monitoring. It reliably measures low differential pressures of air or compatible gases in industrial environments where precise control is required.

Q: When should I use the zero adjustment feature?

A: The push-button zero adjustment should be used whenever you need to recalibrate the device to atmospheric pressure, ensuring the gauge provides accurate differential measurements.

Q: Where should the DM-1122 be installed for best results?

A: Mount the gauge indoors in a clean, temperature-controlled area, following the preferred vertical orientation. It is not rated for outdoor use, so avoid locations exposed to weather or moisture.

Q: What is the benefit of having a digital LCD display versus an analog output?

A: A digital LCD display offers clear, precise readings and minimizes interpretation errors. The DM-1122 does not provide analog output, focusing on straightforward digital pressure indication for immediate assessment.

Q: How is the DM-1122 calibrated and maintained?

A: The gauge is factory-calibrated for accuracy. Maintenance involves periodic zero adjustment and ensuring the device remains clean and protected from extremes of temperature or physical damage.

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