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Temperature Transmitters

Supplier: Ambit Instruments

Features

Price Guide: POA

  • Modules for thermocouple and RTD
  • Standard 40mm hole spacing
  • Premium and standard accuracy
  • Proven reliability at low cost
  • Widely adjustable
  • LED power indication
  • Reverse polarity protection
  • Loop powered
  • Full range of matching sensors

The TCL head mounting transmitters are a low cost and simple way to convert thermocouple or RTD sensor signals to 4-20mA. Transmitters are available in either standard or premium grades, with premium grades having fully linearised outputs. The major restriction on mounting the transmitter in the sensor alloy head is ambient temperature. If the ambient temperature is above 70oC the transmitter must be remotely mounted. Field mount IP65 polycvarbonate enclosures and simple DIN rail converter clips are available. RTD transmitters are inherently more accurate and are available in ranges to 400oC. Thermocouple transmitters are available for all thermocouple types, but only type K is normally stocked.

Technical Specifications

INPUTS: J, K, N, T, R, S & B thermocouples and PT-100 (DIN or JIS)
OUTPUT: 4-20mA maximum loop resistance 500OHM at 24V
SUPPLY: 12-36VDC supply effect 0.001% of span/V
SENSOR BREAK: Minimum 22mA Maximum 50mA
RESPONSE TIMES: 250msec
RANGES: (oC) -50 - 50, 0- 25, 50, 100, 150, 200, 250, 400, 1000, 1200

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