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Alicat Scientific ISMW | IS-Max Whisper Intrinsically Safe Low Pressure Drop Meter
With a minimum pressure drop of 0.07 PSID, the ISMW is the IS-Max Whisper meter for low-pressure gas lines in hazardous areas, covering 0.5 SCCM to 1,000 SLPM full scale. Accuracy is as good as ±0.6% of reading or ±0.1% of full scale, and operating pressure is 11.5 to 160 PSIA with a 320 PSIA option. Part numbers ISMW-IB and ISMW-NB are listed. For integration, the ISMW offers communications of RS-232 (default), RS-485, 4-20 mA analog, Modbus RTU.
Key features
- Ultra-low pressure drop
- 98 preloaded gases
- Certified for Class I Div 1 and Zone 0
- IP66 enclosure
- Humidity compensation and dew point reading
- Specifications
- Downloads
| Part Number | ISMW |
| Brand | Alicat Scientific |
| Full-scale range | 0.5 SCCM - 1,000 SLPM |
| Operating pressure | 11.5 - 160 PSIA (320 PSIA option) |
| Min. pressure drop | 0.07 PSID |
| Accuracy | ±0.6% of reading or ±0.1% FS |
| Gas calibrations | 98 |
| Approvals | ATEX DEKRA 22ATEX0075 X; IECEx DEK 22.0078X; cDEKRAus DEKRA 23CAUS40-127215 |
| Ingress protection | IP66 |
| Communications | RS-232 (default), RS-485, 4-20 mA analog, Modbus RTU |
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