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2-Wire Programmable Transmitter with Universal Input

2 Wire Hockey Puck Programmable Transmitter
  • RoHS Icon
  • CE Approved

$306.80

Item# TXUN-ST

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $306.80
5-9 $291.46
10-24 $285.32
25-49 $273.05
50-99 $266.92
100+ $260.78

In stock

Lead Time (If not in stock): 18 weeks
2 Wire Hockey Puck Programmable Transmitter TXUN-ST TXUN-ST
  • FM Approval Model Available (TXUN-FM)
  • RTD, TC, &Omega , or mV Input
  • Extremely High Measurement Accuracy
  • 1.5 kVAC Galvanic Isolation

TXUN-ST Model Options

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FM Approved
Input Type
Input Class
Input Ranges
Output Type
Output Class
Supply Voltage Type
Isolation
Programability


Description

Application
• Linearized temperature measurement with Pt100...Pt1000, Ni100...Ni1000, or TC sensor.
• Conversion of linear resistance variation to a standard analog current signal, for instance from valves or Ohmic level sensors.
• Amplification of a bipolar mV signal to a standard 4 to 20 mA current signal.
Technical Characteristics
• Within a few seconds the user can program PR5331A to measure temperatures within all ranges defined by the norms.
• The RTD and resistance inputs have cable compensation for 2/3 and 4-wire connection.
• A continuous check of vital stored data for safety reasons.

Specifications

Environmental Conditions
Operating Temperature: -40 to 85°C
Calibration Temperature: 20 to 28°C
Relative Humidity:< 95% RH (non-cond.)
Protection Degree (encl./terminal): P68/IP00

Mechanical Specifications
Dimensions: Ø 44 x 20.2 mm
Weight Approx: 50 g
Wire Size: 1 x 1.5 mm2 stranded wire
Screw Terminal Torque: 0.4 Nm
Vibration: IEC 60068-2-6
2 to 25 Hz: ±1.6 mm
25 to 100 Hz: ±4 g

Common Specifications
Supply Voltage: 7.2 to 35 Vdc
Internal Power Dissipation: 25 mW to 0.8 W
Isolation Voltage
Isolation Voltage, Test/Working: 1.5 kVAC/50 Vac
Response Time
Response Time (Programmable): 1...60 s
Voltage Drop: 7.2 Vdc
Warm-Up Time: 5 min.
Programming: Loop Link
Signal/Noise Ratio: Min. 60 dB
EEprom Error Check:< 3.5 s
Accuracy: Better than 0.05% of selected range
Signal Dynamics, Input: 20 bit
Signal Dynamics, Output:16 bit
Effect of Supply Voltage Change: < 0.005% of span/Vdc
EMC Immunity Influence: < ±0.5% of span
Extended EMC Immunity: NAMUR NE21, A Criterion, Burst: < ±1% of span

Input Specifications
Common Input Specifications
Max. Offset: 50% of selected max. value
RTD input
RTD Type:Pt100, Ni100, lin. R
Cable Resistance Per Wire:5 Ω (max.)
Sensor Current: Nom. 0.2 mA
Effect of Sensor Cable Resistance (3/4-wire):< 0.002 Ω/Ω
Sensor Error Detection:Yes
Linear Resistance Input
Linear Resistance Min to Max:0 to 5000 Ω
TC Input
Thermocouple Type: B, E, J, K, L, N, R, S, T, U, W3, W5, LR
Cold Junction Compensation (CJC): < ±1.0°C
Sensor Error Detection: Yes
Sensor Error Current: When Detecting/Else: Nom. 33 µA/0 µA
Voltage Input
Measurement Range: -12 to 800 mV
Min. Measurement Range (Span): 5 mV
Input Resistance: 10 MΩ
Output Specifications
Current Output
Signal Range: 4 to 20 mA
Min. Signal Range: 16 mA
Load (@ Current Output): ≤ (Vsupply - 7.2)/0.023 [Ω]
Load Stability: ≤ 0.01% of span/100 Ω
Sensor Error Indication: Programmable 3.5 to 23 mA
NAMUR NE43 Upscale/Downscale: 23 mA/3.5 mA

Common Output Specifications
Updating Time: 440 ms
Of Span: = of the presently selected range
Observed Authority Requirements
EMC: 2014/30/EU
RoHS: 2011/65/EU
EAC: TR-CU 020/2011

Approvals
FM Certificate (TXUN-FM only):FM17US0013X

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What is the size and thread of the 2 mounting screws. Thank you.

Asked by: Engr416
Thank you for your inquiry Engr416. Due to the complexity of your question, please send an email to temp@omega.com and one of our engineers will assist you in finding this information.
Answered by: Application Engineer MC
Date published: 2022-08-24

Can I program the output of the 4-20ma to equal 0 degrees F to 300 degrees F. &nbsp;i.e. &nbsp;4ma=0F and 20ma=300F with a 100ohm RTD 32-492F range.

Asked by: DWoody
You can scale the PT100 RTD to any values within the sensors range using the TXUN-KIT programming module sold as an accessory.
Answered by: Applications Engineer AB
Date published: 2021-12-03
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