Dwyer RM Series Rotameters

Dwyer RMA Series Rotameters

The RMA Series Rate-Master® flowmeter is a versatile direct-reading precision flowmeter suitable for both gas and liquid applications. This series includes 2'' NPT female thread

Applications and Cases
● Medical equipment
● Air samplers
● Gas analyzers
● Pollution monitoring
● Chemical syringes
● Enclosure purging

Product Features

● Direct reading gauge eliminates the hassle of conversion
● Stainless steel skeleton absorbs pipeline torque, reducing installation damage and costs
● Shatterproof polycarbonate for long service life
● Precision injection molding with precision tapered pins around the perimeter enables high repeatability
● Special integrated flow deflector stabilizes float movement and improves reading accuracy
● Dual-side scales on the indicator tube allow instantaneous flow rate reading, saving time

Technical Specifications

Medium: Compatible with gas and liquid
Materials: Main body: Polycarbonate;
O-rings: Neoprene and nitrile rubber-N;
Metal parts: Stainless steel (except optional copper valves);
Rotors: Stainless steel, black glass, aluminum, K Monel copper-nickel alloy, tungsten carbide, depending on the measuring range
Temperature range: 54 ℃ (130 °F)
Pressure range: 100 psi (6.9 bar)
Accuracy: RMA: 4% full scale; RMB: 3% full scale; RMC: 2% full scale
Process connection: RMA: 1/8'' NPT female thread
Weight: RMA: 113.4 g (4 oz);
RMB: 368.5 g (13 oz);
RMC: 1105.6 g (39 oz)
Certification: Complies with the technical requirements of EU Directive 2011/65/EU (RoHS II)
Warning: Dwyer® Rate-Master® flowmeters are suitable for long-term use with air, water or other compatible media. For questionable gas or liquid information, please consult the factory. Corrosive solutions, antifreeze (ethylene glycol) and aromatic solvents must never be used