TFD Series Thin Film Detector (TFD): OMEGA® Thin Film RTD Elements and Probes
●The TFD achieves rapid response times because:
■It has a high ratio of surface area to volume
■The temperature-sensitive Platinum layer is separated from the medium to be measured by a thin ceramic substrate of high thermal conductivity.
●This is of particular interest to users measuring temperature in gaseous environments, such as wind tunnels and air conditioners. The TFD is also extremely vibration-resistant.
●The resistance values and tolerances comply with DIN 43760 and BS 1904 ratings (Pt100 Ω).
●The TFD element is supplied in an encapsulated sensor screw-mounted brass housing with PFA insulated leads. Two-, 3- or 4- wire configuration is available. Sensor design provides cost effective, fast response and easy mounting on flat surfaces. The maximum temperate of the probe assembly is 260°C (500°F). Termination options are available for easy operation in conjunction with OMEGA handheld meters or other instruments.
●Specifications
■Element: TFD-design glass-encapsulated Platinum layer on a ceramic substrate
■TFD Leads: Platinum wire 0.2 mm D (0.008"), about 10 mm L (0.39")
■Temperature Range: -70 to 500°C (-95 to 930°F)
■Insulative Resistance at 500°C (930°F): >108Ω
■Voltage Necessary for Destruction: 100 Vdc
■Hysteresis Error (Observed Only after Rapid Temperature Cycling): Max 0.25
■Self-Heating Error at 20°C (70°F):
▲In still air, 1.9 mW/°C;
▲in still water, 75 mW/°C
■Response Time:
▲In Water Moving at 0.4 m/s:
◆t(50%) = 0.25 s
◆t(90%) = 1.1 s
▲In Air Moving at 1 m/s
◆t(50%) = 13.5 s
◆t(90%) = 55 s
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TFD Series 、 TFD 、 TFD-ENB-2W-40 、 TFD-ENB-3W-40 、 TFD-ENB-4W-40 、 TFD-ENB-3W-189 、 TFD-ENB-3W 、 TFD-ENB |
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Thin Film Detector (TFD) 、 flat Platinum resistance detector |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2014/12/8 |
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242 KB |
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