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Programmable Head Mount Temperature Transmitter for Thermocouples
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TX86-Transmitter

Programmable Head Mount Temperature Transmitter for Thermocouples

Models In Stock

  • Universal input: RTD, thermocouple, resistance, potentiometer, and mV signals.
  • 1000 VRMS galvanic isolation eliminates ground loop interference.
  • 16-bit converters ensure high accuracy with linear 4–20 mA output.
  • Bright 4-digit LED display shows values in °C, °F, or %.
TX86-Transmitter
From TWD 24,861
Models In Stock
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1 Variations available
See all series options below
TX86-TransmitterData Sheet

Data Sheet
Programmable Head Mount Temperature Transmitter for Thermocouples TX86-Transmitter TX86-Transmitter
Product Overview
  • Accuracy ± 0.2 %
  • Accuracy Detail ± 0.2% of full scale input
  • Cold Junction Compensation ±2°C
  • Diameter 62 mm
  • Electrical Connection Screw Terminal
  • Electrical Output 4 to 20 mA
  • Height 42 mm
  • Housing Material Plastic, Polycarbonate
  • Humidity Range 20 to 90% RH non-condensing
  • Input Resistance 0 to 2000 Ω
  • Mounting Head-mounted
  • Operating Temperature, Max 70 °C
  • Operating Temperature, Min -20 °C
  • Output Load 50 x (Vsupply – 12V) Ω
  • Probe Length 0 mm
  • Programmable Functions alarm, °C/°F, Cold Junction, control action, Dampening, Deadband, offset, Range, Sensor Burnout Indication
  • Resolution 2 μA
  • Response Time 1 sec with dampening off
  • Sensor Type Transmitter
  • Series ID TX86-Transmitter
  • Setup Controls 3 pushbuttons on front
  • Sheath Material N/A
  • Span, Min 50°C
  • Stability ± 0.15%/ year (Long Term Stability)
  • Storage Temperature, Max 70 °C
  • Storage Temperature, Min -20 °C
  • Supply Current 30/150 µA ± 2%
  • Supply Power Note 12 to 30 Vdc, LED indicator reverse polarity protected 60 Vdc
  • Supply Power Type DC
  • Supply Voltage 12 to 30 Vdc
  • Temperature Input Range 0 to 260 °C
  • Weight 80 g

Supported Applications

The Omega TX86 is a programmable, head-mount temperature transmitter designed for universal input signal conditioning. It converts signals from thermocouples, RTDs (Resistance Temperature Detectors), millivolts, volts, potentiometers, and ohms into linearized 4-20 mA DC loop current outputs. The series supports integration with DCS, PLC, PC, SCADA systems, or recorders for industrial process monitoring.

Operating Conditions & Performance

The TX86 operates within an ambient temperature range of -20 to 70°C (-4 to 158°F) and a relative humidity of 20 to 90%, non-condensing. The unit features galvanic isolation with a rating of 1000V RMS continuous between input and output circuits.

Performance specifications include an accuracy of ± 2% of full scale input, a resolution of 2 µA, and a response time of 1 second with dampening off. Long-term stability is rated at ± 0.15%/year, with a temperature coefficient of ± 0.01%/°C (5 to 50°C). The device includes self-diagnostic capabilities for sensor open-circuit and short-circuit detection.

Configuration Options

The TX86 series supports multiple input types with specific measured ranges:

  • Thermocouples: K (-100 to 1372 °C), J, T, E, R, N, S, B (400 to 1800 °C).
  • RTDs: Pt100, Pt500, Pt1000 (-200 to 850/200 °C), Ni120, Cu10.
  • Other Inputs: Resistance (0 to 2000 Ω), Potentiometer (0 to 2000 Ω), mV (-5 to 60).

The transmitter is configured via three push-buttons on the front panel and features a 4-digit, 7-segment bright LED display. It supports output configurations of 4-20 mA or 20-4 mA (reverse action) with a maximum load resistance calculated as 50 x (Vsupply - 12V) Ω. An optional solid-state relay alarm output is available with a 30 mA maximum rating.

Power requirements are met by a loop-powered supply of 12 to 30 Vdc, which includes reverse polarity protection up to 60 Vdc. The housing material is plastic (polycarbonate) with overall dimensions of 62 mm Dia x 42 mm H (2.44 x 1.65 in).

Key Product Differences

The TX86 model number guide follows the format: TX86 - <Input Type> - <Configuration> - <Output> - <Power Supply>. While the primary unit is a 2-wire loop-powered transmitter, optional power supplies are available for standalone or specific installation needs:

  • PSR-24S: Regulated power supply, 24 Vdc, 400 mA, screw terminal.
  • PSR-24L: Regulated power supply, 24 Vdc, 400 mA, UL, stripped leads.
  • PSR-24L-230: Regulated power supply, 24 Vdc, 400 mA, stripped leads, 230 Vac input, CE.
  • PSU-93: Unregulated power supply, 16 to 23 Vdc, 300 mA max, screw terminal.
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