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Ultra-Miniature Thermocouple or RTD Temperature Transmitters

$119.00

Item# TX94A-1

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $119.00
5-9 $113.05
10-24 $110.67
25-49 $105.91
50-99 $103.53
100-499 $101.15
500+ $89.25

In stock

Lead Time ( If not in Stock): 99 weeks

Ultra-Miniature Thermocouple or RTD Temperature Transmitters TX94A-1 TX94A-1
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  • ±0.1% FS Accuracy
  • 4 to 20 mA DC Output
  • Only 35.6 mm (1.4") Diameter
  • Upscale Break Protection
  • J, K, T, or E Thermocouple Input
  • 100 Ω Platinum RTD Input

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Number of Inputs
Input Type
Input Ranges
Output Type
Supply Voltage Type
Supply Voltage

Product Specs

  • Accuracy Value ±0.1% FS (includes effects of linearity
  • Form Factor Protection Head
  • Maximum Ambient Temperature 85 {C} (185 {F})
  • Minimum Ambient Temperature -25 {C} (-13 {F})
  • Maximum Storage Temperature 85 {C} (185 {F})
  • Minimum Storage Temperature -25 {C} (-13 {F})
  • RTD Connection 3-wire
  • Supply Frequency 3 dB @ 3Hz
  • Form Factor Protection Head
  • Accuracy Value ±0.1% FS (includes effects of linearity
  • Maximum Storage Temperature 85 {C} (185 {F})
  • Maximum Ambient Temperature 85 {C} (185 {F})
  • Minimum Ambient Temperature -25 {C} (-13 {F})
  • Minimum Storage Temperature -25 {C} (-13 {F})
  • RTD Connection 3-wire
  • Supply Frequency 3 dB @ 3Hz

TX93A and TX94A Series are discontinued. As an upgrade substitute, please check out the new TXUN temperature transmitter for details. See all TXUN Series.

OMEGA™ ultra-miniature temperature transmitters convert millivolt inputs from thermocouples or resistance from RTDs into 4 to 20 mA outputs. Transmitters are available in color-coded enclosures covering the four most popular thermocouple types (J, K, T, and E) as well as three-wire 100 Ω platinum RTDs.

Featuring state-of-the-art integrated circuits and electronic design, these ultra-compact transmitters have a diameter of only 35.6 mm (1.40") and are designed to fit inside many compact thermowell protection heads, such as the OMEGA™ NB2. Omega also provides complete thermocouple and RTD assemblies.
TX93A/TX94A

TX93A and TX94A transmitters can eliminate long runs of costly field wiring in a variety of applications. A stable 4 to 20 mA output signal is produced proportional to the transmitter’s specific input type and calibrated temperature range (see Range Code table, right). Adjustability of ±25% for zero and span is provided to facilitate some rangeability. The transmitted signal eliminates noise pickup, voltage drops, and multiple cold junction errors, and it requires only a twisted pair of copper wires for loop connections.

All models and ranges of these ultra-miniature transmitters are available with fully epoxy-potted electronics (specify “-P” option), which give ultimate protection in extreme environments.

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