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Dwyer Pressure Switch/Gage Range 0-5 Wc: Back/Single-Side, 1/8 in NPT Female - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer Pressure Switch/Gage Range 0-5 Wc: Back/Single-Side, 1/8 in NPT Female

The Dwyer Series 3000MR Model 3005MR is a low operating pressure differential gauge with switch, featuring a range of 0-5 inches of water column and a gauge accuracy of ±2%. This back/single-side connection unit…

SKU 3G-OTH-175324

Also listed as: 3005 MR · 3005-MR

Brand
Dwyer
Item
Pressure Switch/Gage Range 0-5 Wc: Back/Single-Side, 1/8 in NPT Female
Category
Low Operating Pressure Differential Gauges with Switch
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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
3005MR
Series
3000MR
Type
±2% Gauge Accuracy
NPT Female
1/8 in
Gauge Accuracy
±2%

Technical Documents

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

Product Description

The Dwyer Series 3000MR Model 3005MR is a low operating pressure differential gauge with switch, featuring a range of 0-5 inches of water column and a gauge accuracy of ±2%. This back/single-side connection unit includes 1/8 in NPT female ports. It combines pressure indication and switch functionality in a single instrument for monitoring differential pressure.

Frequently Asked Questions

What is the Dwyer 3005MR pressure switch/gage used for?

The Dwyer 3005MR is a low operating pressure differential gauge with switch, used to monitor and control differential pressure in HVAC, filtration, and industrial process applications. It combines indication and switching in one instrument, simplifying installation and reducing panel space.

What are the specifications of the Dwyer 3005MR?

The Dwyer 3005MR has a range of 0-5 inches of water column, ±2% gauge accuracy, and 1/8 in NPT female connections. It is part of the Series 3000MR and features a back/single-side configuration. The Dwyer brand is known for reliable differential pressure instruments.

Where to buy the Dwyer 3005MR worldwide?

3G Electric supplies the Dwyer 3005MR pressure switch/gage 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 model.

How to install the Dwyer 3005MR pressure switch/gage?

Install the Dwyer 3005MR using 1/8 in NPT female connections, ensuring proper sealing with thread tape. Mount in a clean, dry location away from vibration. Connect high-pressure and low-pressure lines to the appropriate ports. Refer to the Dwyer manual for electrical wiring of the switch contacts.

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 with switch. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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