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5437A
 
 

5437A

 

2-wire HART 7 temperature transmitter

 

  • RTD, TC, potentiometer, linear resistance and bipolar mV input
  • Single or true dual inputs with sensor redundancy and drift detection
  • Wide ambient operating temperature of -50 to +85°C
  • Total accuracy from 0.014%, long-term stability <0.05% per year
  • 2.5 kVAC galvanic isolation
  • Full assessment to IEC61508 : 2010 for use in SIL 2/3 applications
  1. Overview +

  2. Technical details +

  3. Accessories +

  4. Download Software +

  5. Video +


Application

  • Temperature measurement of a wide range of TC and RTD types.
  • Conversion of wide span linear resistance and potentiometer inputs.
  • Conversion of bipolar mV signals to 4...20 mA.
  • Integration into asset management schemes.
  • Critical applications requiring superior accuracy and/or sensor redundancy and drift detection.

Technical characteristics

  • True dual input transmitter. High density 7-terminal design accepts the widest range of dual input combinations.
  • Sensor redundancy - output automatically switches to secondary sensor in event of primary sensor failure, maintaining uptime.
  • Sensor drift detection - alerts when sensor differential exceeds user-defined limits, for maintenance optimization.
  • Dynamic variable mapping for process data in addition to the primary variable e.g. dual input features such as average, differential and min./max. tracking.
  • Groundbreaking digital and analog signal accuracy over full input span and ambient conditions.
  • Extensive sensor matching including Callendar Van Dusen and custom linearizations.
  • Programmable input limits and runtime metering ensure maximum process traceability and sensor out of range protection.
  • IEC 61508 : 2010 full certification up to SIL 3 together with enhanced EMC Functional Safety testing to IEC 61236-3-1.
  • Meets NAMUR NE21, NE43, NE44, NE89 and NE107 compliant diagnostics information.

Mounting / installation

  • For DIN form B sensor head mounting.
  • Configuration via standard HART communication interfaces or by PR 5909 Loop Link.
  • The 5437A can be mounted in zone 2 and 22 / Class I, Division 2, Groups A, B, C, D.

Manuals


Data sheet


Safety manual (SIL)


ATEX certificate


IECEx certificate


Declaration of Conformity


Safety note


Russian manual


CSA certificate


INMETRO certificate


NEPSI certificate


SIL certificate


FMEDA report


Assessment report


Field device specification


HART certificate


EAC declaration


EAC Ex certificate


Metrology Pattern Approval (MPA)


Environmental Conditions

  • Operating temperature

    -50°C to +85°C (standard)

    -40°C to +80°C (SIL)

  • Storage temperature

    -50°C to +85°C

  • Calibration temperature

    23...25°C

  • Relative humidity

    < 99% RH (non-cond.)

  • Protection degree (encl./terminal)

    IP68 / IP00

Mechanical specifications

  • Dimensions

    Ø 44 x 20.2 mm

  • Center hole diameter

    Ø 6.35 mm / ¼ in

  • 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...25 Hz

    ±1.6 mm

  • 25...100 Hz

    ±4 g

Common specifications

  • Supply

  • Supply voltage

    7.5*...48** VDC

  • Internal power dissipation

    ≤ 850 mW

  • Additional min. supply voltage when using test terminals

    0.8 V

  • Min. load resistance at >37 V supply

    (Vsupply – 37) / 23 mA

  • Isolation voltage

  • Isolation voltage, test / working

    2.5 kVAC / 55 VAC

  • Response time

  • Response time

    70 ms

  • Programmable damping

    0...60 s

  • Polarity protection

    All inputs and outputs

  • Write protection

    Jumper or software

  • Warm-up time

    < 5 min.

  • Start-up time

    < 2.75 s

  • Programming

    Loop Link & HART

  • Signal / noise ratio

    > 60 dB

  • Long-term stability, better than

    ±0.05% of span / year (±0.18% of span / 5 years)

  • Signal dynamics, input

    24 bit

  • Signal dynamics, output

    18 bit

  • Effect of supply voltage change

    < 0.005% of span / VDC

  • Accuracy

    See manual for details

  • EMC immunity influence

    < ±0.1% of span

  • Extended EMC immunity: NAMUR NE21, A criterion, burst

    < ±1%

Input specifications

  • RTD input

  • RTD type

    Pt10...10000, Ni10...10000, Cu5...1000

  • Cable resistance per wire

    50 Ω (max.)

  • Effect of sensor cable resistance (3-/4-wire)

    < 0.002 Ω / Ω

  • Sensor current

    < 0.15 mA

  • Sensor error detection

    None, Shorted, Broken, Shorted or Broken

  • 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

  • Sensor error detection

    None, Shorted, Broken, Shorted or Broken

  • Linear resistance input

  • Measurement range / min. range (span)

    0 Ω...100 kΩ / 25 Ω

  • Cable resistance per wire (max.)

    50 Ω

  • Sensor current

    < 0.15 mA

  • Sensor error detection

    None, Broken

  • Potentiometer input

  • Potentiometer min....max.

    10 Ω...100 kΩ

  • Measurement range / min. range (span)

    0...100% / 10%

  • Cable resistance per wire (max.)

    50 Ω

  • Sensor current

    < 0.15 mA

  • Sensor error detection

    None, Shorted, Broken, Shorted or Broken

  • mV input

  • Measurement range

    -800...+800 mV (bipolar)

    -100 to 1700 mV

  • Min. measurement range (span)

    2.5 mV

  • Input resistance

    10 MΩ

  • Sensor error detection

    None, Broken

Output specifications

  • Common output specifications

  • Normal range, programmable

    3.8...20.5 / 20.5...3.8 mA

  • Extended range (output limits), programmable

    3.5...23 / 23...3.5 mA

  • Updating time

    10 ms

  • Load (@ current output)

    ≤ (Vsupply -7.5)/0.023 [Ω]

  • Load stability

    < 0.01% of span / 100 Ω

  • Sensor error indication

    Programmable 3.5…23 mA

  • NAMUR NE 43 Upscale/Downscale

    > 21 mA / < 3.6 mA

  • HART protocol revisions

    HART 7 and HART 5

Observed authority requirements

  • EMC

    2014/30/EU

  • RoHS

    2011/65/EU

  • EAC

    TR-CU 020/2011

Approvals

  • ATEX 2014/34/EU

    DEKRA 16ATEX0047X

  • IECEx

    IECEx DEK. 16.0029X

  • CSA

    70066266

  • FM

    FM16US0287X / FM16CA0146X

  • INMETRO

    DEKRA 16.0008X

  • NEPSI

    GYJ18.1054X

  • EAC Ex TR-CU 012/2011

    RU C-DK.GB.98.V.00192

  • SIL

    SIL 2 / SIL 3 certified & fully assessed acc. to IEC 61508

NB

  • * / **

    See manual for details

[VIDEO] 5437 A true dual input 2-wire HART temperature transmitter

PR 5437 - First of the next generation of temperature transmitters, HART 7 capability together with IEC 61508-2010 full assessment up to SIL 3, the PR 5437 offers unrivalled performance for the most demanding of applications.

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