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TDS系列热分散流量开关
可调开关点，LED指示灯
TDS系列热分散流量开关为泵和工艺保护提供非涂层液体的固态流量检测。SPDT输出允许与远程PLC或继电器控制设备接口。可调开关点在工厂以0.2 fps的速度校准，LED指示流量和校准状态。装置具有可选择的NO或NC操作，且不会因流速过大而损坏。
Service:Liquids.
Wetted Materials:
Polypropylene/PPS or Polyvinylidene Fluoride.
Range: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) @ 77°F (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, 10 ft (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" (11.4 cm) length switch.
Setpoint Adjustment:0.04 to 3 fps (1.2X10-2to .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.
| Model | Description |
|---|---|
| TDS112 | Thermal dispersion flow switch, PP/PPS wetted parts, 3.0" (7.6 cm) length. |
| TDS122 | Thermal dispersion flow switch, PP/PPS wetted parts, 4.5" (11.4 cm) length. |
| TDS212 | Thermal dispersion flow switch, PVDF wetted parts, 3.0" (7.6 cm) length. |
| TDS222 | Thermal dispersion flow switch, PVDF wetted parts, 4.5" (11.4 cm) length. |
