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Series SF2 Sight Flow Transmitter
Brand: Dwyer Instruments, LLC
The Series SF2 Sight Flow Transmitters combine visual confirmation of flow with a relay or pulse output.
The SF2-1 offers a SPDT relay output and the SF2-2 offers a pulse output proportional to the rate of flow. The 4.5 to 24 Vdc pulse output is compatible with most digital logic families.
Features- Brass, solid body construction, one piece composite rotor, and ceramic shaft delivers durability with broader chemical, temperature, and pressure capabilities
- Set points are fully adjustable over the specified flow range
- The dynamic operation of the rotor guards against jamming and false actuation
1 - 12 of 24 Part Numbers
SF2-1
- Output - SPDT Relay Output
- Connection - 1/2" Female NPT
SF2-10
- Output - SPDT Relay Output
- Connection - 1/4" Female NPT
- Range - 0.5 to 5.0 (GPM)
SF2-11
- Output - SPDT Relay Output
- Power - 110 Vac
- Connection - 1/4" Female NPT
SF2-12
- Output - SPDT Relay Output
- Connection - 3/4" Female NPT
- Range - 5.0 to 30.0 (GPM)
SF2-13
- Output - SPDT Relay Output
- Connection - 1" Female NPT
- Range - 8.0 to 60.0 (GPM)
1 - 12 of 24 Part Numbers
Specifications
Brand
Accuracy
- ± 15 %: for Ranges up to 60.0 gpm
- ± 5 %: Relay Output
- ± 7 %: Pulsed Output for Ranges up to 5.0 gpm
Approvals & Certifications
- CE
Electrical Connectors
- 20 AWG with PVC-Jacketed, 24” (61 cm) Cable: Relay Output Model
- 22 AWG with PVC-Jacketed, 24” (61 cm) Cable: Pulsed Output Model
Enclosure, Body Material
- Brass
Flow Rate
- 0.5 to 60 gpm
Lens
- Polysulfone
Media
- Liquids Compatible with Wetted Parts
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1/4” NPT Female
- 3/4” NPT Female
O-Ring Material
- Fluoroelastomer
Output
- 0.3 A
- 1 A
- 110 Vac
- 24 Vdc
- 4.5-24 Vdc
Power Requirement
- 110 Vac
- 24 Vdc
- 4.5-24 Vdc
Pressure Range
- bar: 0 to 13.8
- kPa: 0 to 1,380
- psi: 0 to 200
Switch Type
- SPDT
Temperature Range
- -29° to 100° C (-20° to 212° F)
Wetted Materials
- Ceramic
- Polyphenylene Sulphide
- Cooling and Lubrication Circuits
- HVAC Systems
- Aggressive Chemical Metering
- Batching Systems