TDF Series is assembled with a thermal dispersion sensor. The sensors use three ratio: temperature detector, reference sensor, compensation sensor through a Wheatstone Bridge to provide a output signal 4~20mA, for measuring temperature when the sensor is immersed into process gases.
Technical Data
Function Type: Flow Rate with Totalizer LCD Display & Blue Back Lighted
Enclosure Material: Aluminum or SS316 available
Wetted Parts Material: 316 stainless steel
LCD Display: Totalizer 10 digital (top); Flow rate 8 digital (bottom)
Output Signal: 0~5 VDC linear min. load 1000Ω or 4~20mA Linear, loop resistance 500Ω
Input Power: 24VDC or 110/220VAC
Process Connection: TDF-IN: 3/4"NPT, BSP male thread; or flange 1"~3" JIS, ANSI, DIN and clamp available、TDF-CP: 1/2"~2" NPT, BSP male thread; or flange type available
Conduit Connection: 1/2" or 3/4"NPT female, or M20 x P1.5(with adaptor); others option available
Detection Length: Standard 1-3/4" ; and option 2"~60"
Working Temperature: 0~80℃
Working Pressure: maximum 40kg/cm2
Housing: IP68
Explosion Proof: Class l, Groups A, B, C, D; Class ll, Groups E, F, G; NEMA 4X
Response Time: 1 second
Accuracy: ±1% of reading+0.5% of full scale
Repeatability: ±0.2% of full scale
Wide Turndown Ratio: 100:1
Unit: Flow unit: Kg, GAL, NL, Nm3, cc, L, M3; Time unit: Day, Hr, Min, Sec