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DwyerPanel-Mount Flowmeters for Air & Compressed Gas

Dwyer RMA-2 Variable Area Panel-Mount Flowmeter for Air & Compressed Gas

The Dwyer RMA-2 is a variable area flowmeter designed for panel-mount installation in air and compressed gas applications. This vertical-mount unit features a Buna-N O-ring and includes a flow rate adjustment knob…

SKU 3G-OTH-89462

Also listed as: RMA2 · RMA 2

Brand
Dwyer
Item
RMA-2 Variable Area Panel-Mount Flowmeter for Air & Compressed Gas
Part Number
RMA-2
Category
Panel-Mount Flowmeters for Air & Compressed Gas
Available to Order
Also known as:RMA-2Dwyer
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Technical specs
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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
RMA-2
Type
Variable Area, Panel Mount, Vertical, Gallons/Liters, FNPT
Accuracy
4%
O-Ring Material
Buna-N
Unit Of Measure
Liters
Mounting Orientation
Vertical
Includes Flow Rate Adjustment Knob
Yes

Technical Documents

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

Product Description

The Dwyer RMA-2 is a variable area flowmeter designed for panel-mount installation in air and compressed gas applications. This vertical-mount unit features a Buna-N O-ring and includes a flow rate adjustment knob, with an accuracy of 4% and measurement in liters.

Frequently Asked Questions

What is the Dwyer RMA-2 flowmeter used for?

The Dwyer RMA-2 is a variable area flowmeter used to measure flow rates of air and compressed gases in panel-mount installations. It is commonly applied in industrial process control, HVAC systems, and pneumatic equipment monitoring where vertical mounting and 4% accuracy are acceptable.

What are the specifications of the Dwyer RMA-2?

The Dwyer RMA-2 is a variable area flowmeter with panel-mount, vertical orientation, and FNPT connections. It has a Buna-N O-ring, includes a flow rate adjustment knob, measures in liters, and offers 4% accuracy. The manufacturer part number is RMA-2.

Where to buy the Dwyer RMA-2 worldwide?

You can source the Dwyer RMA-2 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this panel-mount flowmeter.

How to install the Dwyer RMA-2 flowmeter?

Install the Dwyer RMA-2 vertically in a panel cutout, ensuring the flow direction arrow matches the pipe flow. Use FNPT fittings with thread sealant, avoid overtightening, and verify the Buna-N O-ring is seated. Calibrate using the adjustment knob per Dwyer's manual for 4% accuracy.

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
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Dwyer Products

3G Electric supplies Dwyer panel-mount flowmeters for air & compressed gas. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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