5437A
 

2-wire HART 7 temperature transmitter

 

5437A

 

  • 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%
  • 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 assessement up to SIL 3 together with enhanced EMC Functional Safety testing to IEC 61236-3-1.
  • Meets NAMUR NE21, NE43, NE44, NE89, NE95 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.

Data sheet & Manuals

Data sheet
Manuals
Manuals in Russian

Supplementary documentation

Safety manual (SIL)
EU Declaration of Conformity
CCC statement
Assessment report
FMEDA report
SIL declaration
Field device specification
DTM certificate
HART certificate
EMC data

Approvals & Certificates

ATEX certificate
IECEx certificate
CSA certificate
FM certificate
INMETRO certificate
NEPSI certificate
SIL certificate
DNV marine certificate
EAC declaration
EAC Ex certificate
Metrology Pattern Approval (MPA)

Safety note

Safety note

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 DEKRA 18ATEX0135X
IECEx IECEx DEK. 16.0029X
CSA CSA 16.70066266
c FM us FM16US0287X / FM16CA0146X
INMETRO DEKRA 16.0008 X
NEPSI GYJ18.1054X
EAC Ex RU C-DK.GB.98.V.00192
EU RO MR Type Approval MRA0000023
SIL SIL 2 / SIL 3 certified & fully assessed acc. to IEC 61508

NB

NAMUR NE95 report Please contact us
* / ** 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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