Product Description
Compact, robust, and highly accurate, the P398 Thermal Flow Switch is designed for real-time flow monitoring in industrial systems. Leveraging thermal dispersion technology, it provides dependable performance in applications involving water, gas, oil, and more. Housed in durable aluminum with a stainless-steel probe, the P398 includes a bright LED display and customizable outputs—making it ideal for pump protection, cooling circuits, leak detection, and general flow assurance across a variety of media.
Product Highlights
- Offers precision of ±1% for slow flow rates—ideal for applications where subtle changes in flow matter
- Monitors flow in water, gas, oil, refrigerants, and hydraulic systems—offering broad application flexibility
- Rated for pressures up to 1,450 psi (100 bar), ensuring reliability in demanding industrial environments
- 330° rotatable aluminum housing enables flexible installation and optimal cable routing in tight spaces
- Supports relay (NO + NC), NPN, and PNP switching functions—programmable to meet diverse control requirements
- Detects flows from as low as 0.03 ft/s in water to as high as 65 ft/s in gases—covering a broad operational scope
- Built-in LED system (Red/Yellow/Green) provides at-a-glance flow condition visibility without needing extra diagnostics
- Choose from various probe lengths (13mm to 60mm) and thread types (¼” and ½” NPT or G parallel) to suit your setup
- Operates reliably in ambient and media temperatures ranging from -4°F to 176°F with IP65 protection
- Fast start-up time (1–8 seconds) and intuitive potentiometer-based configuration make setup and tuning seamless
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