Available Options & Accessories
RCM Flo-Gage flow meters can be configured with a wide range of options including limit switches, transmitters, digital indication, special materials, and more. Select the options that match your application requirements.
Flo-Gage™ Options
Viton™ Elastomer Seals
Standard with Option T. For fuels, solvents, acids, and high-temperature service.
EPR (Ethylene Propylene) Seals
Standard with Options K & N. For steam, hot water, ketones, alcohols, and ammonia service.
Teflon™ (TFE) Seals
For aggressive chemicals, acids, and solvents.
Calibration for Specific Gravity
Liquid service. Meter calibrated for fluids with specific gravity other than 1.0.
Gasketed Meter Case (NEMA-4X, IP66)
Weatherproof, splash-proof, corrosive vapor resistant.
Gasketed Meter Case with Conduit (NEMA-4X, IP66)
Option D with conduit fitting.
Non-Standard Flow Rate
Custom flow ranges outside the standard table.
Low Flow Option
For very low flow rates below standard range.
Aluminum Housing with Plastic Dial Crystal
Replaces standard polycarbonate housing with aluminum.
Aluminum Housing with Glass Dial Crystal
Aluminum housing with glass dial crystal.
Custom Scales and Dials
Custom dial patterns and non-standard scale markings.
High Pressure Service — 400 psig max.
Inconel 718 bellows rated to 400 psig.
Compressed Gas Service
Individual sizing for gas composition, line pressure, and temperature.
Saturated Steam Service
Includes 316 SS bellows. 120 psig max.
Ammonia Service
Stainless steel only. Brass-free construction with EPR seals and gasketed case.
Panel Mount Meter Case
1½″ and smaller meters only.
Remote Readout — Mechanical, Bronze
Mechanical remote readout with equalizing valve, bronze construction.
Remote Readout — Mechanical, 316 SS
Mechanical remote readout with equalizing valve, 316 SS construction.
Extended Temperature Range
-80°F (-62°C) to 350°F (177°C).
Calibration for High Viscosity Liquids
5 to 500 cps.
Transmitters & Reed Switches
4-20 mA DC 4-Wire Transmitter
Linear output.
2 Set Point Relays (Hi/Lo)
High and low flow alarm relays.
0–1000 Hz Frequency Output
Frequency output for remote totalization.
Options W, X and Y Combined
4-wire transmitter, alarm relays, and frequency output combined.
4-20 mA DC 2-Wire Transmitter (Non-Linear)
Loop-powered 2-wire transmitter with mechanical indicator.
4-20 mA DC 2-Wire Transmitter (Linear) + HART
Linear output with HART protocol.
4-20 mA DC 2-Wire Blind Transmitter (Non-Linear)
Loop-powered 2-wire transmitter, no mechanical indicator.
4-20 mA DC 2-Wire Blind Transmitter (Linear) + HART
Linear output with HART protocol, no mechanical indicator.
Digital Readout of Flow Rate & Total — 4-20 mA DC (Non-Linear)
Digital display of rate and total with 4-20 mA output.
Digital Readout of Flow Rate & Total — 4-20 mA DC (Linear) + HART
Linear output with HART protocol.
Digital Readout of Flow Rate & Total + Alarm — 4-20 mA DC (Non-Linear)
Includes alarm output.
Digital Readout of Flow Rate & Total + Alarm — 4-20 mA DC (Linear) + HART
Linear output with alarm and HART protocol.
Digital Readout of Flow Rate & Total + Modbus — 4-20 mA DC (Linear)
Includes Modbus communication.
1 Reed Switch SPDT
Single pole double throw reed switch.
2 Reed Switches SPDT
Two independent SPDT reed switches for hi/lo setpoints.
Intrinsic Safe Approval
CSA / KEMA approved. Requires -1S2 or -2S2 only.
Light Emitting Diode
CSA / KEMA approved. Requires -1S2 or -2S2 only.
CE Marking Directive
Electromagnetic Compatibility (EMC) Directive 89/336/EEC
CE marking for electromagnetic compatibility.
Flo-Gage™