2-Wire Programmable Transmitter – PR Electronics 5331A

Features

  • RTD, TC, Ohm, or mV input
  • Extremely high measurement accuracy
  • 1.5 kVAC galvanic isolation
  • Programmable sensor error value
  • For DIN form B sensor head mounting
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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…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.
  • Continuous check of vital stored data for safety reasons.

Mounting / installation

  • For DIN form B sensor head or DIN rail mounting with the PR fitting type 8421

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -40°C to +85°C
Calibration temperature 20…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…25 Hz ±1.6 mm
25…100 Hz ±4 g
COMMON SPECIFICATIONS
Supply
Supply voltage 7.2…35 VDC
Internal power dissipation 25 mW…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….max. 0 Ω…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…800 mV
Min. measurement range (span) 5 mV
Input resistance 10 MΩ
OUTPUT SPECIFICATIONS
Current output
Signal range 4…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…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
I.S. / EX MARKING
ATEX II 3 G Ex nA [ic] IIC T4…T6 Gc, II 3 G Ex ic IIC T4…T6 Gc, II 3 D Ex ic IIIC Dc
IECEx Ex nA [ic] IIC T4…T6 Gc, Ex ic IIC T4…T6 Gc, Ex ic IIIC Dc
CSA Cl. I, Div. 2, Gp. A, B, C, D T6…T4, Ex nA[ic] IIC T6…T4 Gc
INMETRO Ex nA [ic] IIC T6…T4 Gc, Ex ic IIC T6…T4 Gc, Ex ic IIIC Dc
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
ATEX 2014/34/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
EAC Ex TR-CU 012/2011
APPROVALS
DNV-GL Marine TAA0000101
ATEX KEMA 10ATEX0002 X
IECEx DEK 13.0035X
CSA 1125003
INMETRO DEKRA 16.0013 X
EAC Ex RU C-DK.HA65.B.00355/19

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PR Electronic 5331A 2-wire programmable transmitter-DpstarGroup

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