Cooling & Heating Water
Hydronic Heating & Cooling
Boiler, chiller and heat-exchanger skid instrumentation for hydronic loops: flow verification, differential pressure, water temperature and pump status.
Measures: Flow · Differential pressure · Pump status
Loop Flow Measurement & Verification
Measures water flow rates in hydronic loops, crucial for system performance and efficiency.
Dwyer Series IEF Insertion Electromagnetic Flow TransmitterDwyer Series IEF insertion magmeter for 4 to 36 in pipes: 0–6 m/s, ±0.5% of reading at the calibrated velocity, analog, pulse and alarm outputs, BACnet/Modbus option.
Dwyer Series TDFS2 Thermal Dispersion Flow Switch (Non-Mechanical, Low Pressure Drop, Large Pipes)Measure Flow Above or Below User Set Flow Rate; Normally-Open & Normally-Closed NPN Outputs; LED Indication
Dwyer Series V6 Flotect Mini size Flow Switch for 1/2" to 2" PipesDwyer V6 Flotect compact vane flow switch for liquids, gases and air in 1/2 to 2 in pipes: weatherproof and explosion-proof, up to 2000 psig.
Fixed MinisonicFaure Herman single-chord clamp-on transit-time ultrasonic flowmeter for liquids, with OLED display, 4-20 mA output, two contact outputs and a 1.8 GB data logger.
Uf821 Ultrasonic Fixed FlowmeterFaure Herman fixed clamp-on ultrasonic flowmeter for liquids: up to 4 measuring points per unit, accuracy to 0.5% of reading, on steel, PVC, cast iron or stainless pipes.
Portable Ultrasonic Flow MetersFaure Herman portable clamp-on ultrasonic flowmeter (Uf801P) for checking liquid flow on any pipe without cutting in: accuracy to 0.5%, multi-layer pipes, 11 stored set-ups.
System & Differential Pressure
Monitors system and differential pressure to ensure proper flow and detect potential blockages.
Dwyer 626/628 SS316L Industrial Pressure TransmittersDwyer 626/628 industrial pressure transmitters with 316L stainless wetted parts: 626 ±0.25% or 628 ±1% full scale, 4-20 mA or voltage output, NEMA 4X.
Dwyer Series DX Wet to Wet Differential Pressure Switch; Use in most Gas/Water Based SolutionsSPDT Snap Switch; Contact Rating 5A @ 125/250 VAC, 5A Resistive @ 30 VDC; NEMAA 4X (IP65) Rated
Weiss Series 4CTS/4CTA Stainless Steel Stem or Surface Mounted HVAC Pressure GaugesWeiss 4CTS (stem) and 4CTA (surface) 4 in HVAC pressure gauges: ±1% (Grade 1A), dual psi/kPa scale, 0–15 to 0–300 psi, vacuum and compound.
Pressure Switching & Pump Protection
A weatherproof electronic pressure control watches header pressure downstream of the pump and switches its relay on high or low setpoints, protecting pumps from deadhead or loss-of-pressure conditions while showing live readings locally.
Application data from the DwyerOmega Application Navigator ↗. Ronsor can help adapt it to your site.