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Series-RM
Precision Flowmeters: 2", 5", 10" Scales, NIST Calibrated, Mountable
Models In Stock
- Eliminate the need for troublesome conversions with direct reading scales
- Reduce installation damage and cost due to stainless steel backbone that absorbs piping torque
- Long operation life with durable, shatter-proof polycarbonate body
- High repeatability enabled by precision injection molding around a precision tapered pin
- Increased reading accuracy with special integral flow guides that stabilize float movement
- Save time with instantaneous flow reading from scale graduations on both sides of the indicating tube
Series-RM
From
C$
101.23
Models In Stock
Product Overview
- Applications Chemicals, Environmental Monitoring, Medical
- Compliance Note Meets the technical requirements of EU Directive 2011/65/EU (RoHS II)
- Material Construction Option N/A
- Materials, Wetted Aluminum, Black Glass, Buna-N (NBR), Polycarbonate, Stainless Steel
- Operating Temperature, Max 130 °F
- Process Connection Type NPT Female
- Proof Pressure Up to 100 psi
- Series ID Series-RM
The Series RM Rate-Master® Flowmeters are a line of general use, direct reading precision flowmeters suitable for both gas and liquid applications. This Series consists of 2" (51 mm), 5" (127 mm) and 10" (254 mm) scales that can be panel or surface mounted with optional precision metering valves. Within a given Series, the Rate-Master® flowmeter bodies can be instantly interchanged, allowing the piping to remain undisturbed, interchangeability of the ranges, and easy cleaning. *The Rate-Master® flowmeter bodies can be instantly interchanged within the same series scale size, allowing the piping to remain undisturbed, interchangeability of the ranges, and easy cleaning.
NOTE: Effective immediately, the brass valve (-BV) option has been discontinued and the stainless steel valve (-SSV) is the suggested replacement.
NIST CALIBRATION available in Product Configurator.Product Applications
- Medical equipment
- Air samplers
- Gas analyzers
- Pollution monitors
- Chemical injectors
- Cabinet purging
Accessories
accessories
Show Ratings & Reviews
Rated 5 out of
5
by
Robert V from
Quality Product
Quality product that is the standard in our industry
Date published: 2025-10-06
Rated 5 out of
5
by
Motion Ai from
Built to last and Easy to use
Tough Built, .Easy Swapping: You can instantly change the flow range without disturbing the pipes. This makes cleaning very simple.Quick Reading: Scales print on both sides of the tube. You do not need to do any tricky math to know the flow rate
Date published: 2026-07-02
Rated 4 out of
5
by
MOTEDE from
quality
excellent product, it is great to be a wholesaler of this product
Date published: 2026-07-01
Rated 5 out of
5
by
John Do from
Great Product
Arrived in estimated time, packaged well, product works as described.
Date published: 2026-06-25
Rated 5 out of
5
by
Dave D RWT from
Great flowmeters
Great products. Highly recommend them for many applications.
Date published: 2026-04-24
Rated 5 out of
5
by
Wray from
Great Size!
The size is great, able to see the flow ball accurately to make adjustments with the flow control valve.
Date published: 2026-04-20
Rated 5 out of
5
by
Wray from
Great product
Flowmeter worked as planned, fast delivery, reasonable priced.
Date published: 2026-04-20
Rated 5 out of
5
by
Judy from
Great Service
ALWAYS easy and efficient when purchasing from Dwyer. They are efficient and friendly.
Date published: 2026-03-25
I need some air flow meters to measure 0 to 5 cc and 0 to 10 cc also 0 to 40 cc
Hello,
The lowest range we offer on the RMA series for air is 30-200 CC/min. This is our RMA-11. We do not have a lower range on offer.
Date published: 2026-02-25
