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These meters have an accuracy of 10% of Full Scale. If you need 2%; you need the Low Flow Meter

Liquid: ccm (cubic centimeters per minute); gph (gallons per hour), or %. Standard is water.
Gas: sccm standard cubic centimeters per minutes; scfm (standard cubic feet per minute),or %. Standard is Air.
Special tubes are available, but they are expensive and the delivery time is long.

See Data Sheet

There are four materials for O-Rings: Buna-N, Viton, EPR, and Kalrez 4079. Use the Material Selection Guide for assistance. Buna-N and Viton are the standard and are least expensive

For applications where is standard kynar retainer is not acceptable, a 316 SS retainer can be provide. This also for a maximum pressure of 250 psig and 250 ºF with viton and EPR O-Rings

The meters are available with or without a valve. The valve can be on the inlet (typical for liquids) or the outlet (typical for gases - although not a firm rule). The valves come in two types: "with Knob" which has a standard knob for adjustment of the flow and "with Slot" which has a screw driver slot covered by a cap - used when accidental adjustment of the flow is of concern

Controllers which keep the flow constant with varying pressure are available in stainless steel and for the inlet and outlet

Bezels are available for mounting the meter flush in a panel

Factory wired-on stainless steel tagging is available

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