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Series TDS Thermal Dispersion Flow Switch
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| Adjustable Switch Point, LED Indication |
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_PIC.jpg) The
Series TDS Thermal Dispersion Flow Switch offers solid
state flow detection of non-coating liquids for pump and process
protection. SPDT output allows for interfacing with remote
PLC or relay control device. The adjustable switch point is
factory calibrated at 0.2 fps with LED indication of flow and
calibration status. Units feature selectable NO or NC operation
and are not damaged by over ranging flow velocities.
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| Specifications: |
| Service: Liquids |
| Wetted Materials: Polypropylene/Ryton or Polyvinylidene
Flouride. |
| Range: 0.04 to 10 fps (1.2x10-2 to 3.05 m/s) |
| Temperature Limits: 32 to 140°F (0 to 60°C) |
| Pressure Limits: 150 psi (10 bar) @ 25°C, derated
@ 1.667 psi (.113 bar) per °C above 25°C |
| Repeatability: ±5% of setpoint |
| Switch Type: SPDT |
| Electrical Rating: 60 VAC/60 VDC @ 1 A |
| Electrical Connections: 22 AWG 3-wire, 10ft (3 m)
length |
| Process Connections: 3/4" male NPT |
| Mounting Orientation: Any orientation, for pipe sizes
3/4" to 1-1/2" use 3.0" (7.6 cm) length switch for 2" to 16" pipe
sizes use 4.5" (11.4cm) length switch. |
| Setpoint Adjustment: 0.04 to 3 fps (1.2x10-2 to .91
m/s) |
| Setpoint Drift: 0.5% of setpoint |
| Response Time: 1-10 seconds |
| Viscosity Range: 1 to 200 centipoise |
| Supply Voltage: 12 to 36 VDC |
| Consumption: 50 mA (nominal) |
| Indication: LED for flow status |
| Weight: 3 oz (94 g) |
| Agency Approvals: CE |
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| Stocked Models: (in bold) |
| Model Number |
Wetted Parts |
Length |
| TDS112 |
PP/Ryton |
3.0" (7.6 cm) |
| TDS212 |
PVDF |
3.0" (7.6 cm) |
| TDS122 |
PP/Ryton |
4.5" (11.4 cm) |
| TDS222 |
PVDF |
4.5" (11.4 cm) |
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