The Dwyer Series SF Sight Flow Transmitter is a Series of sight indicators that can display pipelines’ flow or contents and provide an analog 4 to 20 mA signal proportional to the flow rate. It is available with a 316 SS or clear polycarbonate cover.
Calibration Option available under Accessories.
Product Applications
- Cooling and lubrication circuits
- HVAC systems
- Aggressive chemical metering
- Batching systems
Service : Compatible liquids.
Wetted Materials : 316 SS shaft and case, Iglide® bearings, Buna-N seal and acetal copolymer, (polycarbonate cover on sku SF11).
Flow Range : 0.5 to 15 GPM (2 to 60 LPM).
Accuracy : ±2% FS.
Repeatability : 0.5% FS.
Temperature Limits : 20 to 225°F (-7 to 107°C).
Pressure Limits : 500 psig (34 bar) sku SF10, 200 psig (14 bar) sku SF11.
Response Time : 2 s to 90% (step change in flow rate).
Supply Voltage : 12 to 35 VDC.
Output : 4 to 20 mA.
Loop Resistance : 1150 Ω max.
Process Connection : 1/2″ female NPT.
Electrical Connection : Wire leads, 22 AWG x 9′ (2.7 m).
Maximum Particle Size : 100µm.
Agency Approvals : CE.