Sierra Instruments InnovaSwitch Flow Switch
Sierra Instruments InnovaSwitch Flow Switch
The Sierra Instruments InnovaSwitch™ is an ultra-sensitive thermal flow switch built for precision flow / no-flow detection in both liquids and gases. Engineered for heavy industry, the switch is free of moving parts that can stick, coat, or fail — and its self-heating sensor design improves repeatability without the response-time penalty of a separate heater.
InnovaSwitch operates across a wide temperature window of −100°F to 390°F (−70°C to 200°C), comes standard in 316L stainless steel, and can be ordered in exotic materials including Hastelloy, Monel, and Inconel for aggressive process service. Removable plug-in electronics simplify field maintenance, with a high-temperature version available where the standard range is insufficient.
- Features & Benefits
- Applications
- Product manuals
- Product specs
- Ultra-sensitive with fast response time
- Ideal for industrial pump protection
- Wide operating temperature range — −100°F to 390°F (−70°C to 200°C)
- Detects flow / no-flow in gases and liquids
- High-temperature version available
- 316L stainless steel standard; Hastelloy, Monel, Inconel, and other exotics available on request
- Removable plug-in electronics
- Free of moving parts that can stick, coat, or fail
- Self-heating sensor — improves repeatability, no separate heater to fail
- 1-year warranty
- Industrial pump protection (dry-run / loss-of-flow)
- Gas flow monitoring
- Liquid flow monitoring
- Geothermal systems
- Petrochemical service
- Facility support and HVAC
| Media | Liquids and gases |
|---|---|
| Flow Setpoint Range | 0.01 to 5 fps (liquids); 0.1 to 500 fps (gases) |
| Accuracy | ±1% of setpoint (flow); 1/32" (0.8 mm) level |
| Line Sizes | 0.75" MNPT standard; 0.5"+ MNPT, sanitary & flanges optional |
| Process Temperature | -100 to 390 °F (-70 to 200 °C) |
| Process Pressure | To 3000 psia (207 bar) |
| Wetted Materials | 316L SS, Hastelloy, Monel, Inconel (others optional) |
| Output / Switch | 5 A, 250 VAC DPDT with fail-safe |
| Power Supply | 110 VAC standard; 24 VDC optional; 3.1 W max |
| Enclosure Rating | Explosion-proof; NEMA 3/4X/7/9 |
| Approvals | CSA, FM, UL, CENELEC |
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