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Documents: SF2-111

SPDT Relay Output Pulsed Output Series SF2 Catalog Page More Info

SF2-111 | Sight flow meter | range 4.0-20.0 GPM | 110 VAC | 1/2" female NPT. | Dwyer

Sight flow meter, range 4.0-20.0 GPM, 110 VAC, 1/2" female NPT.

Brand: DwyerSKU: SF2-111

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Overview Details for SF2-111

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Sight flow meter | range 4.0-20.0 GPM | 110 VAC | 1/2" female NPT.

Series SF2 Sight Flow Meters

SPDT or Pulse Output, Visual Flow Confirmation, Brass Body

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.

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Product Applications

Cooling and lubrication circuits
HVAC systems
Aggressive chemical metering
Batching systems

Brass, solid body construction, one piece composite rotor, and ceramic shaft deliversdurability 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

Specifications

Series: SF2 Sight Flow Meters
Category/Type: Flow
Type: Flow Transmitters
Series: SF2 Sight Flow Meters
Service: Liquids compatible with wetted parts.
Wetted Materials: Brass body; ceramic pin; PPS rotor; polysulfone lens; and fluoroelastomer O-ring.
Accuracy: Relay output: ±5%; Pulsed output: ±7% for ranges up to 5.0 GPM; ±15% for ranges up to 60.0 GPM.
Temperature Limits: -20 to 212°F (-29 to 100°C).
Pressure Limit: 200 psig (13.8 bar) @ 70°F.
Power Requirements: See table on Catalog page.
Output: SPDT: 1 Amp; 24 VDC resistive; 0.3 Amp; 110 VAC or 4.5 VDC to 24 VDC pulse depending on model.
Electrical Connections: Relay output models: 20AWG PVC-jacketed; 24" cable; Pulsed output models: 22AWG PVC-jacketed; 24" cable.
Process Connections: See table on Catalog page.
Set Point Differential: 15% max. for relay output models.
Maximum Viscosity: 200 SSU.
Agency Approvals: CE.