TXUN-FD-Temp-Transmitter

Field Mounted Hart Protocol Temperature Transmitter

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RTD, TC, Ω, and Bipolar mV Input and Analog Output
High Definition Local Operator Interface (LOI) with 3 Optical Buttons
Selectable Red or White Backlight
Ex D Explosion Proof/Flame Proof in Aluminum or 316 Stainless Steel Version

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TXUN-FD-Temp-Transmitter

From ^C$ 1,529.77

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1 Variations available

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Product Overview

Accuracy ± 0.05 %
Additional Features 1 Explosion Proof Aluminum/Stainless Steel Housing
Approvals EU RO Mutual Recognition Type; Approval: MRA0000009; ATEX 2014/34/EU: DEKRA 15 ATEX 0058 X; IECEx: IECEx DEK 15.0039 X; FM: FM16US0009X/FM16CA0010X; CSA: 70024231 EAC Ex TR-CU 012/2011: RU C-DK.GB08.V.01316; INMETRO: DEKRA 15.0014 X; NEPSI: GYJ15.1336X, GYJ15.1337X and GYJ15.1338X; SIL: Hardware assessed for use in SIL applications Authority Requirements: EMC: 2014/30/EU, EAC: TR-CU 020/2011
Calibration Adjustment ± 50 % Max
Calibration Temperature, Max 28 °C
Calibration Temperature, Min 20 °C
Data Interface HART 7, HART 5
Dimensions Note Aluminum: 109.3 H x 145 W x 126 D mm, Stainless: 107.4 H x 145 W x 124 D mm Dimensions: Ø 110 mm
Display LCD
Display Note 96 x 64 pixels Resolution, Selectable ON/OFF and Selectable white or red colour Backlight Number of Digits: 5
Electrical Output 4 to 20 mA
EMC Immunity Note Standard EMC Imunity: <±0.1% of span; Extended EMC Immunity: NAMUR, NE21, A Criterion, Burst: <±1% of span; Wire Size: 0.13 x 1.5 mm²
EMC Standard EN61010-1, EN61326-1
Enclosure Ratings IP54, IP66, IP68, NEMA Type 4X
Height 109 mm
Input Control Signal -800 to 800 mV
Input Control Signal Note Min. Measurement Range (Span): 2.5 mV
Input Resistance 10 MΩ
Isolation Test/Working: 1.5 kVac/50Vac
Length 104 mm
Load Resistance ≤ (Vsupply - 12) / 0.023 Ω
Long Term Stability ±0.1% of span/year
Operating Temperature, Max 85 °C
Operating Temperature, Min -40 °C
Operating Temperature Note -40 to 85°C (with Silicone O-ring),-20 to 85°C (with FKM Oring)
Output Detail Signal Range: 4 to 20 mA,Min. Signal Range: 6 mA,NAMUR NE43 Upscale/Downscale: 23 mA/3.5 mA
Output Load ≤ (Vsupply - 10) / 0.023 Ω
Output Signal Current
Potentiometer Input Range 0 to 7000 Ω
Programmable Functions HART Setup
Relative Humidity 0 to 100% RH Condensing
Resolution Input Signal Dynamics: 22 bit; Output Signal Dynamics: 16 bit
Response Time 1 to 60 sec; Update Time : 440 msec
RTD Input Note Cable Resistance, Per Wire: 50 Ω; Sensor Current: 0.2 mA
RTD Type 50/100/200/250/500/1000 Ω Pt Sensor, 50/100/120/1000 Ω Ni Sensor
Screw Terminal Torque 0.4 Nm
Sensor Break Detection Programmable 3.5 to 23 mA
Series ID TXUN-FD-Temp-Transmitter
Signal/Noise Ratio > 60 dB
Start Up Time 5 Sec
Storage Temperature, Max 85 °C
Storage Temperature, Min -40 °C
Supply Power Note Intrinsically Safe: 10 (12 - with backlight)...30 Vdc, Other: 10 (12 - with backlight)...35 Vdc
Supply Power Type DC
Supply Voltage 10 to 30 Vdc
Temperature Measurement Range J: -100 to 1200°C, K: -180 to 1370 °C, T: -200 to 400 °C, E: -100 to 1000 °C, R: -50 to 1760 °C, S: -50 to 1760 °C, N: -180 to 1300 °C, B: 0 to 1820 °C, W3: 0 to 2300 °C, W5: 0 to 2300 °C, L: -200 to 900 °C, LR: -200 to 800 °C, RTD: -200 to 850 °C
Thermocouple Type J, K, T, E, N, R, S, U, B, C, D, L, LR
Vibration ±4g
Vibration Note EC 60068-2-6; 2 to 25 Hz: ±1.6 mm; 25 to 100 Hz: ±4 g
Weight 1.3 kg
Weight Note Aluminum: 1.3, Stainless: 2.8
Width 23.5 mm
Wire Type Stranded

Supported Applications

The Omega TXUN-FD is a field-mounted HART temperature transmitter designed for RTD, TC (thermocouple), Ohm, and bipolar mV inputs. The series supports general purpose installations as well as hazardous area applications with Ex d explosion-proof / flameproof ratings in aluminum or 316 stainless steel housings.

Operating Conditions & Performance

The transmitter operates within an ambient temperature range of -40°C to +85°C when equipped with a silicone O-ring, and -20°C to +85°C with an FKM rubber O-ring. Storage temperature is rated from -40°C to +85°C. The device functions in relative humidity conditions of 0...100% RH (condensing). Environmental protection ratings include IP54 / IP66 / IP68 and type 4X.

Performance specifications feature a display resolution of 96 x 64 pixels with a response time from button to display of < 150 ms. The mechanical design accommodates vibration per IEC 60068-2-6, specifically ±1.6 mm at 2...25 Hz and ±4 g at 25...100 Hz.

Power Supply Requirements

10...30 VDC (standard)
12...30 VDC with backlight enabled
10...35 VDC (extended range option)
12...35 VDC with backlight enabled

Configuration Options

The TXUN-FD series is configurable across housing materials, local operator interface options, conduit threads, and approval levels. The model number guide follows the structure: TXUN-FD - <Housing> - <Local operator interface> - <O-ring> - <Conduit thread> - <Paint type> - <Transmitter> - <Approvals> - <Cover color>.

Housing and Materials

Low copper aluminum (AL): Available with Epoxy or Epoxy + polyurethane paint.
316 Stainless steel (RF): Paint type is None; suitable for corrosive environments.

Local Operator Interface and Display

Configurable with or without a local operator interface (LOI).
The LOI features 5 digits, selectable white or red backlight, and error indication in the same colors.
Cover color options include Red, Gray, or Steel finish depending on housing type.

Connections and Seals

O-ring materials: Silicone rubber (-40 to +85°C) or FKM rubber (-20 to +85°C).
Conduit threads (D1, D2 & D3): M20x1.5 6H or ½ NPT mod.
Electrical connection: Accommodates wire sizes of 0.13...1.5 mm² / AWG 26...16 stranded wire with a screw terminal torque of 0.4 Nm.

Approvals and Certifications

The series supports the following approvals: UL LISTED, CE, EAC, Ex, CSA, IEC, IECEx, INMETRO, and NCC. Hazardous area configurations are available alongside general purpose models.

Key Product Differences

Variants differ primarily by housing material (aluminum vs. 316 stainless steel), the presence of a local operator interface, O-ring type determining temperature range, and conduit thread style. The aluminum version is offered with red or gray cover colors, while the stainless steel version features a steel finish.

Models without a transmitter unit are supplied as connection kits (indicated by "No" in the Transmitter column of the order guide). Accessories include M20 plugs for various enclosure and O-ring combinations (part numbers 8550 series), NPT plugs, pipe-mounting brackets (P5-B-N), display spare parts with or without LOI, and a 5-point calibration certificate.

PDFs & Manuals

User Guide - TXUN-FD Temp Transmitter Series View More

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Compliance