Flow Meters and Level Sensors • Variable Area Flowmeters
Series RM The Rate-Master®
Description flowmeter line of direct reading
precision flowmeters incorporates many unique user features at moderate cost. These low cost flowmeters are ideal for general use.
Features • Installation is simple — The Rate-Master® Flowmeter can E
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 remains undisturbed.
Wetted Materials: Body:
Metal Parts: Float:
Temperature Limit: Pressure Limit:
accuracy: RMA: RMB: RMC:
process connection: RMA: RMB: RMC:
RMA: RMB: RMC:
4 oz (113.4 g) 13 oz (368.5 g) 39 oz (1105.6 g)
Call us for product sizing and selection assistance.
item Compatible gases and liquids Polycarbonate Neoprene & Buna-N Stainless Steel (except for optional brass valve);
Stainless steel, black glass, aluminum, K monel, tungsten carbide depending on range.
130°F (54°C) 100 psi (6.9 bar)
2% of full scale
1/2" female NPT Model rMa Model RMA-X
Model RMA-X-BV Model RMA-X-SSV Model RMA-X-TMV
Model rMB Model RMB-X
Model RMB-X-BV Model RMB-X-SSV
Model rMc Model RMC-X
Model RMC-X-BV Model RMC-X-SSV
Standard RMC RMC with Brass Valve RMC with Stainless Steel Valve Standard RMB RMB with Brass Valve RMB with Stainless Steel Valve Standard RMA RMA with Brass Valve
RMA with Stainless Steel Valve RMA with Top Mounted Valve