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RMA-4

2" (51 mm) Polycarbonate SERIES RM RATE-MASTER®Variable Area Flowmeter

2" (51 mm) Polycarbonate SERIES RM RATE-MASTER®Variable Area Flowmeter

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Gas Flow, Max

5 SCFH 0.4 SCFH 200 SCFH 200 cm³/min 500 cm³/min 1000 cm³/min 2500 cm³/min 100 cm³/min 50 cm³/min 1 SCFH 10 l/min 25 l/min 50 l/min 70 l/min 100 l/min 5 l/min 2 SCFH 0 m³/s 10 SCFH 20 SCFH 50 SCFH 100 SCFH 150 SCFH 400 SCFH 500 SCFH 600 SCFH 1000 SCFH 1200 SCFH 1800 SCFH 10 SCFM 20 SCFM 30 SCFM

Process Connection Size

1/8 in 1/4 in 1/2 in

Valve Type

No Valve Stainless Steel Valve Top Mount Valve

Dual Range

No Yes

Liquid Flow, Max

0 m³/s 50 cm³/min 110 cm³/min 300 cm³/min 11 gal/h 24 gal/h 34 gal/h 50 gal/h 12 gal/h 20 gal/h 40 gal/h 100 gal/h 90 gal/h 1 GPM 2.2 GPM 4 GPM 7 GPM 10 GPM

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$67.40

Item# RMA-4

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Lead Time (If not in stock): 2 weeks

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Product Specs

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Brand
Accuracy	± 4 %
Applications	Chemicals, Environmental Monitoring, Medical
Compliance	RoHS 2
Compliance Note	Meets the technical requirements of EU Directive 2011/65/EU (RoHS II)
Dual Range	No
Gas Flow, Max	5 SCFH
Gas Flow, Min	0.5 SCFH
Liquid Flow, Max	0 m³/s
Material Construction Option	N/A
Materials, Wetted	Aluminum, Buna-N (NBR), Polycarbonate, Stainless Steel
Media Compatibility	Air
Operating Temperature, Max	130 °F
Process Connection Size	1/8 in
Process Connection Type	NPT Female
Proof Pressure	Up to 100 psi
Scale Length	2 in
Valve Type	No Valve
Weight	4 oz
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PDFs & Manuals

RM - Datasheet RM - Instruction Manual - RM RM - Instruction Manual - RKA RM - Quick Start Guide View More

Drawings

RMA_STEP_stepformats

RMB_STEP_stepformats

RMC_STEP_stepformats View More

Accessories

Optional pointer flag, for RMA flowmeter

$10.85

0 In Stock

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Optional pointer flag, for RMB flowmeter

$11.40

0 In Stock

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Optional pointer flag, for RMC flowmeter

$11.20

0 In Stock

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Regulator Kits for Rate-Master® & Visi-Float® Flowmeters, 3 psig DP

$340.45

0 In Stock

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Regulator Kits for Rate-Master® & Visi-Float® Flowmeters, 3 psig DP

$340.45

0 In Stock

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Show Ratings & Reviews

Rated 5 out of 5 by Louisiana Chance from Would Recommend Great service. Timely delivery and fair price. Well made.

Date published: 2025-06-05