TT518PD(32/280)F1Z
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Overview
This transmitter amplifies a signal from a RTD or linear resistance, and it turns the signal into a current which increases from 4 to 20 milliamperes as the temperature or input signal increases. This industry-standard 4-20mA signal travels thousands of feet over a pair of wires, ignoring electrical interference and bringing the temperature, accurately, into your computer or controller. Drawing power directly from the signal line, only 2 wires are needed for power and signal.
- RTD or Ohm input
- Accurate, Stable 4–20mA Output
- PC and field-programmable
- FM Approved Intrinsically Safe
Converts multiple inputs
Temperature measurement can be done with one of several RTD’s: 100 Ω, 1000 Ω platinum, 100 Ω Nickel and 1000 Ω Nickel. Because amplification and conversion of the input signal is performed within a few feet of the sensor, electrical interference in noisy environments is eliminated. The transmitter can be mounted at the field location in a standard DIN form B head or on a DIN rail inside a local box.
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Supply Voltage
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8-30 VDC
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Warm-Up Time
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5 min.
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Communication Interface
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PC Interface/Loop Link
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Signal/noise ratio
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Min. 60 dB
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Response Time (programmable)
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0.33 sec. to 60 sec.
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Update Time
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135 msec
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Calibration Temperature
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20 to 28°C
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Effect of supply voltage change
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< 0.005% of span/ VDC
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EMC-lmmunity influence
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< ±0.5% of span
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Vibration
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IEC 600 68-2-6 Test FC
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Lloyd's specification no. 1
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4 g / 2 - 100 Hz
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Max. wire size
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AWG14
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Air Humidity
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0-95% RH
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Dimensions
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∅1.73 x 0.84 in (∅44 x 20.2mm)
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Tightness (enclosure/terminal)
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IP 68 / IP00
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TT518
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Model Number: TT518 Temperature Transmitter
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PD = Sensor Type
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100 Ω Platinum RTD (0.00385)
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Ranging
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32 - 280°F
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F = Display Units
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Farenheit
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1 = Calibration
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Nominal
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Z = Sensor Leads
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3-lead RTD
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