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DWYER Flowmeter - Series RM Rate -Master® Flowmeters

Polycarbonate, Gas Flow from 0.05 - 1800 SCFH, Water Flows to 10 GPM

The Rate - Master® flowmeter line of direct reading precision flowmeters incorporates many unique user features at moderate cost. These low cost flowmeters are ideal for general use.

Easy to read design
The direct reading scales eliminate troublesome conversions. The scales are brushed aluminium, coated with epoxy and the graduations are on both sides of the indicationg tube. Special integral flow guides stabilize the float throughout the range to keep it gorm hunting or wandering in the bore. The float is highly visible against a white background.

Construction assures accuracy
All Rate-Master® flowmeter bodies are injection molded of tough, clear, shatter proof polycarbonate plastic around a precision tapred pin. The result is accurate and repeatable readings. The single piece plastic body id mounted to a stainless steel back bone info which pipe thread inserts are welded to absorb piping torque. Precision metering valves of brass or stainless steel (specify BV or SSV on order) are available as an optional extra and permit precise flow adjustments. For vacuum applications, Model RMA units are availble with top mounted valves (specify TMV). The small Series RMA models are accurate with ± 4 % of full scale reading: Series RMB within ±3%, large Series RMC within ±2%.

tallation is simple
The Rate-Master® Flowmeter can be neatly panel mounted to keep flow tube centers in the same plane as the panel surface or surface mounted on the panel by means of tapped holes in the backbone. When through-panel mounted, the bezel automatically positions the instrument at the correct depth in the panel cutout. Surface mounted units can also be held in place by the piping. All mounting hardware plus installation and operating instructions are included.

Easy-to-Interchange bodies
Within a given Series Rate-Master® flowmeter bodies can be instantly interchanged. Simply "unplug" the body from backbone and replace it with another. "O" rings provide a tight seal on inlet and outlet. Piping remians undisturbed. Interchangeability is useful where different scale ranges are sometimes required at the same location in the laborator or plant.

Cleaning is easy
To release the plastic flowmeter body from the stainless steel backbone, just remove four screws. Pipe thread flow connections remian undisturbed. Remove the slide cover and the plug ball stop, clean the flow tube with soap and water and ressemble. It's that simple.

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