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Alicat ISMS series of mass flow meter are Atex and IECEx Zone 0 certified. The intrinsically safe mass flow meters are for use with some corrosive gases and gas mixes.
Each device comes pre-loaded with a choice of 129 user-selectable gases and gas mixes. In addition the user may programme 20 user-defined mixes onto their device with each mix containing up to 5 gases with a 0.01% composition resolution.
The ISMS series offers a 316L stainless steel body with FFKM standard elastomers for improved corrosive gas combability, FKM and EPDM elastomers are also available where required.
ISMS series from Alicat is available with full scale flow rates from 0.5 SCCM up to 5000 SLPM with typical port configurations ranging from M5 x 0.8mm female up to 1 1/2” NPT female. Other thread variants are also available including BSPP, SAE, or Swagelok®-compatible (VCO® and VCR®).
Standard accuracy across all flow ranges is ± 0.8% of reading and ± 0.2% of full scale, a high accuracy model is also available improving this to ± 0.4% of reading and ± 0.2% of full scale.
ISMS series feature a 4 – 20 mA output as well as RS-232 serial communications with option RS-485 or Modbus RTU (over either RS-232 or RS-485).
Every device also comes with Alicats feature rich backlit monochrome display for easy setup and configuration. Ingress protection is to IP66 with electrical connections being via the DB15 connection port.
Optional relative humidity sensor can compensate for water vapour in hydrogen production calculations, ensuring a prevised measurement of hydrogen output.
Standard on board measurement and calculation ensure many variables are reported including:
ISMQS models are also available for higher pressure applications with a P1 inlet pressure of up to 320 PSIA / 22 bara.
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Configure nowThe Alicat ISMS - Intrinsically Safe Anti Corrosive Mass Flow Meter is widely used in the following industries:
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We provide a certified annual recalibration service on all Alicat mass flow meters and mass flow controllers. Further details on our recalibration service.
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