Thermal Mass Flow Meter Approvals & Certificates

Thermal Mass FLow Meter Approvals & Certifications

Thermal mass flow meter approvals may be required for specific applications. See below for EPI’s meter approvals for our various series.

All EPI™ Master-Touch™ and ValuMass™ flow meters are CE Compliant.
Master-Touch™ MP Series — For use in hazardous area locations:
Approvals
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CSA/CUS – FOR USE IN HAZARDOUS AREA LOCATIONS; CLASS I DIVISION 1, GROUP B,C,D; CLASS II GROUP E,F,G; CLASS III;
ENCL TYPE 4X; CLASS I ZONE I; AEx d IIB+H2 IP66; Ex d IIB+H2 IP66; T2 OR T3 OR T4 AS MARKED; Ta = 0°C TO 50°C

ATEX – Ta = 0°C TO 50°C; IP66; Ex d IIB+H2 T4 Gb/EX t IIIC T135°C Db or; Ex d IIB+H2 T3 Gb/EX t IIIC T200°C Db or;
Ex d IIB+H2 T2 Gb/EX t IIIC T300°C Db; SIRA 12ATEX1302

IECEx – FOR USE IN HAZARDOUS AREA LOCATIONS; T2 OR T3 OR T4 AS MARKED; Ta = 0°C TO 50°C;
Ex d IIB+H2 T2…T4 Gb IP66; Ex tD A21 IP66 T135°C…T300°C; IECEx CSA 11.0014

KOSHA – FOR USE IN HAZARDOUS AREA LOCATIONS; T2 OR T3 OR T4 AS MARKED; Ta = 0°C TO 50°C;
Ex d IIB+H2 T2…T4 Gb IP66; Ex tD A21 IP66 T135°C…T300°C

CAUTION: Disconnect from supply before opening. Keep covers tight while circuits are alive. Certified conduit seals/stopping boxes with filling compound must be installed within [18” (450mm), 25mm Ex d], of the enclosure per local installation requirements.

Refer to the gas/dust surface temperature rating as marked “X” on the product label (T2, T3 or T4). Connect power supply as marked “X” on the product label (24 VDC @ ¼ A or 120 VAC @ 1/8 A or 240 VAC @ 1/16 A & 50/60 Hz). The maximum working pressure is 500 PSIG (3.4MPa) when properly installed. Attach by suitable means to prevent unintentional product removal and/or leaks.

Master-Touch™ MPNH Series — For use in ordinary “non-hazardous area” locations:

Certified to CSA/CUS Standards: Class 2252-03 Process Control Equipment for Ordinary Locations Class 2252-80 Process Control Equipment for Ordinary Locations-Certified to US Requirements