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DwyerLow Operating Pressure Differential Gauges

Dwyer Differential Gauge: Back/Single-Side, 1/8 in NPT Female, ±3% Gauge Accuracy

The DWYER Differential Gauge: Back/Single-Side is a low operating pressure differential gauge from the 3000MR Series. This diaphragm-type gauge features a 4 in dial, 1/8 in NPT female connections, and a gauge…

SKU 3G-OTH-174208

Also listed as: 3000MR0 · 3000MR 0

Brand
Dwyer
Item
Differential Gauge: Back/Single-Side, 1/8 in NPT Female, ±3% Gauge Accuracy
Category
Low Operating Pressure Differential Gauges
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
3000MR-0
Series
3000MR
Type
±3% Gauge Accuracy, 3000MR
Dial
4 in
NPT Female
1/8 in
Sensor Type
Diaphragm
Gauge Accuracy
±3%
Certificate of Calibration
Not Included

Technical Documents

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER Differential Gauge: Back/Single-Side is a low operating pressure differential gauge from the 3000MR Series. This diaphragm-type gauge features a 4 in dial, 1/8 in NPT female connections, and a gauge accuracy of ±3%. The manufacturer part number is 3000MR-0, and a certificate of calibration is not included.

Frequently Asked Questions

What is a Dwyer 3000MR differential gauge used for?

The Dwyer 3000MR differential gauge measures low differential pressure in air or compatible gases. It is commonly used in HVAC, filter monitoring, and cleanroom applications to indicate pressure drops across filters, fans, or coils. The 4 in dial provides clear local readout.

What are the specifications of the Dwyer 3000MR-0 differential gauge?

The Dwyer 3000MR-0 is a ±3% accuracy differential gauge with a 4 in dial and 1/8 in NPT female connections. It uses a diaphragm sensor and belongs to the 3000MR Series. A certificate of calibration is not included. The manufacturer part number is 3000MR-0.

Where to buy a Dwyer 3000MR differential gauge worldwide?

3G Electric supplies the Dwyer 3000MR differential gauge to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this low-pressure gauge.

How to install a Dwyer 3000MR differential gauge?

Install the Dwyer 3000MR gauge using the 1/8 in NPT female connections. Mount it in a clean, dry location away from vibration. Connect high-pressure and low-pressure lines to the appropriate ports. Ensure the diaphragm sensor is not over-ranged. Refer to the manufacturer's manual for torque and orientation.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer low operating pressure differential gauges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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