Series TFS Thermal Flow Switch

Adjustable Setpoint, LED Flow Indication, NO or NC Output

This series is no longer available, see Series TDFS for the suggested replacement.

Specifications

Service:
Water-based fluids.
Wetted Material:
303 stainless steel.
Measuring Ranges:
0.2 m/s (0.66 ft/s), 0.4 m/s (1.3 ft/s), 1.0 m/s (3.3 ft/s), 2.0 m/s (6.6 ft/s), and 3.0 m/s (9.8 ft/s).
Repeatability:
Less than 2.0%.
Linearity:
Less than 5%.
Hysteresis:
10% (approximate).
Temperature Limits:
-4 to 176°F (-20 to 80°C).
Pressure Limits:
435 psi (30.0 bar).
Housing Material:
Glass fiber reinforced PBTP (Ultradur), meets IP65.
Setpoint Range:
15% to 90% of range setting.
Response Time:
2 to 10 seconds (relative to range setting).
Supply Voltage:
18 to 30 VDC, including residual ripple.
Switching Current:
400 mA maximum.
Power Consumption:
1 watt (approximate).
Electrical Connection:
Plug-in 78" (198 cm) oilflex cable (included).
Process Connection:
1/2"-14 male NPT.
Weight:
0.66 lb (301 g).
Agency Approvals:
CE.

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