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TXUN-HT

TXUN-HT

分  类：其它

品  牌：欧米茄

厂  商：Omega工业测量（中国）

型  号：TXUN-HT

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发布时间：2019-12-19 18:12 浏览人数：人

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    产品详情
    参数
    包装
    • HART Protocol Revision Selectable from HART 5 or HART 7
    • RTD, TC, Ω, and Bipolar mV Input
    • 2 Analog Inputs and 5 Device Variables with Status Available
    • Hardware Assessed for Use in SIL Applications
    • Mounting in Hazardous Gas and Dust Area

      • Application
      • Linearized temperature measurement with TC and RTD sensors e.g. Pt100 and Ni100.
      • HART communication and 4 to 20 mA analog PV output for individual, difference or average temperature measurement of up to two RTD or TC input sensors.
      • Conversion of linear resistance to a standard analog current signal, e.g from valves or Ohmic level sensors.
      • Amplification of bipolar mV signals to standard 4 to 20 mA current signals.
      • Up to 63 transmitters (HART 7) can be connected in a multidrop communication setup.
      Technical Characteristics
      •HART protocol revision can be changed by user configuration to either HART 5 or HART 7 protocol.
      • The HART 7 protocol offers:
           • Long Tag numbers of up to 32 characters.
           • Enhanced Burst Mode and Event notification with time stamping.
           • Device variable and status mapping to any dynamic variable PV, SV, TV or QV.
           • Process signal trend measurement with logs and summary data.
           • Automatic event notification with time stamps.
           • Command aggregation for higher communication efficiency.
           • TXUN-HT is designed according to strict safety requirements and is therefore suitable for applications in SIL installations.
           • Continuous check of vital stored data. Meeting the NAMUR NE 21 recommendations, the TXUN-HT HART transmitter ensures top measurement performance in harsh EMC environments. Additionally, the TXUN-HT meets NAMUR NE43 and NE89 recommendations.
      Mounting/Installation
      • For DIN form B sensor head mounting.
      • Configuration via TXUN-KIT for standard set up or via HART programming unit for Hart Communication set up. See links in Notes.

      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): IP68/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
      Supply Voltage: 8.0 to 30 Vdc
      Isolation Voltage
      Isolation Voltage, Test/Working: 1.5 kVAC/50 Vac
      Response Time
      Response Time (Programmable): 1 to 60 s
      Voltage Drop: 8.0 Vdc
      Programming: Loop Link and HART
      Signal/Noise Ratio: > 60 dB
      Accuracy: Better than 0.05% of selected range
      Signal Dynamics, Input:, 22 bit
      Signal Dynamics, Output: 16 bit
      EMC Immunity Influence: < ±0.1% 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: Pt50/100/200/500/1000; Ni50/100/120/1000
      Cable Resistance per Wire: 5 Ω (up to 50 Ω per wire is possible with reduced measurement accuracy)
      Sensor Current: Nom. 0.2 mA
      TC Input
      Thermocouple Type: B, E, J, K, L, N, R, S, T, U, W3, W5, LR
      Cold junction compensation (CJC): Constant, internal or external via a Pt100 or Ni100 sensor
      Voltage Input
      Measurement Range: -800 to 800 mV
      Min. Measurement Range (Span): 2.5 mV
      Input Resistance: 10 MΩ
      Output Specifications
      Current Output
      Signal Range: 4 to 20 mA
      Min. Signal Range: 16 mA
      Load (@ Current Output): ≤ (Vsupply - 8)/0.023 [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
      HART Protocol Revisions: HART 7 and HART 5
      Observed Authority Requirements
      EMC: 2014/30/EU
      EAC: TR-CU 020/2011
      Approvals
      ATEX 2014/34/EU: KEMA 03ATEX1537
      IECEx: KEM 10.0083X
      FM: FM17US0013X
      CSA: 1125003
      INMETRO:NCC 12.0844 X
      EAC Ex TR-CU 012/2011: RU C-DK.GB08.V.00410
      DNV-GL Marine: Stand. f. Certific. No. 2.4
      SIL: Hardware assessed for use in SIL applications


















































































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