PC programmable temperature transmitter
iTEMP TMT80
E-direct infolinka
+421 2 35448810
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Universally programmable via ReadWin® 2000
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NAMUR NE 43
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Galvanic isolation
Specs at a glance
Input Pt100, Pt1000; TC type B, K, N, R, S Accuracy deviation 0.5 K (Pt100) Measuring range freely programmable, dependent of sensor Installation suitable for sensor head (form B) Product / Version Price / pcs. in EUR Order code Approval 1 to 3 4 to 10 11+ Non-hazardous area 47,- 43,- 39,- TMT80-AA Accessory
Product / Version Price / pcs. in EUR Order code Configuration kit TXU10- for PC-programmable devices. set-up programme+interface cable for PC with USB-Port. 4 pin plug + ReadWin2000 101,72 TXU10-AA Prices valid until 31.03.2020 in EUR per unit (not including shipping and applicable sales tax). See
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Application
The iTEMP TMT80 head transmitter can be installed in the form B sensor head. It has a 4 to 20 mA analog output.
The measuring range can be set up freely via ReadWin® 2000 configuration software. TMT80 can be used for resistance thermometers (RTD) as well as for most commonly used thermocouples.
Function
The iTEMP TMT80 head transmitter converts the input signal into a linear 4 to 20 mA signal. It has measurement input for resistance thermometers (RTD) in 2-, 3- or 4-wire connection and thermocouples.
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Technical data
InputInput signal Resistance thermometer: Pt100, Pt1000 to IEC 60751 Thermocouples: type B, K, N, R, S Measurement range Dependent of applied sensor element OutputOutput signal 4 to 20 mA Failure signal To NAMUR NE 43 Max. load (Vpower supply -8 V)/0.025 A Input current required ≤3.5 mA Current limit ≤25 mA Switch on delay 4 s (during power up Ia ≈ 3.8 mA) Response time 1 s Signal on alarmUnderranging Linear drop to 3.8 mA Overranging Linear rise to 20.5 mA Sensor breakage; sensor short circuit1) <3.6 mA or >21 mA can be set up Electrical connectionPower supply Ub = 8 to 35 V DC Galvanic isolation Û = 0.5 kV Allowable ripple Uss ≤ 3 V at Ub ≥ 15 V, fmax = 1 kHz Reference conditions Calibration temperature 25 °C ±5 K AccuracyInfluence of power supply ≤ ±0.01 %/V deviation from 24 V Load influence ≤ ±0.02 %/100 Ω Temperature drift Pt100: Td = ±[(15 ppm/K × (measuring range end value – measuring range start value)) + (50 ppm/K × preset measurement range)] × Δθ
TC: Td = ±[(50 ppm/K × (Measurement range end value – measurement range start value)) + (50 ppm/K × preset measurement range)] × Δθ
Δθ = Deviation of ambient temperature according to the reference condition +25 °C ± 5 K (77 °F ± 9 °F)
Measurement accuracy 0.5 K (Pt100) Application conditionsAmbient temperature –40 to +85 °C Storage temperature –40 to +100 °C Climatic class to EN 60654-1, Class C Vibration resistance 4 g / 2 to 150 Hz to IEC 60 068-2-6 EMC Interference immunity and interference emission according to IEC 61326 and NAMUR NE 21 Housing To DIN 50446 form B 1) Not for thermocouple
Dimensions (in mm)
Installation according to operation instructions
Electrical connection
Power supply and current output
Sensor connection
a) two-wire RTD
b) three-wire RTD
c) four-wire RTD
d) TC
e) red
f) white
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