2-Wire Level Transmitter – PR Electronics 5343A

Features

  • Potentiometer or Ohmic input
  • Programmable sensor error value
  • High measurement accuracy
  • Unique process calibration function
  • Programmable via standard PC
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Application

  • Conversion of resistance variation to standard analog current signals, e.g. from Ohmic level sensors or valve positions.
  • User-defined linearization function can be activated.

Technical characteristics

  • Within a few seconds the user can program PR5343A to measure within the defined Ohmic values.
  • Continuous check of vital stored data for safety reasons.
  • The transmitter is protected against polarity reversal.
  • PR5343A is configured to the current task by way of a PC, the PReset software and the communications interface Loop Link.
  • The PRelevel configuration tool included in the PReset software has been developed specifically for the configuration of level applications. Among other things, it contains a function for ”on line” measurement of input span as well as a linearization function for volume linear output from horizontal cylindrical tanks.

Mounting / installation

  • For DIN form B sensor head or DIN rail mounting with a special fitting.

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 8.0…35 VDC
Internal power dissipation 25 mW…0.8 W
Response time
Response time (programmable) 0.33…60 s
Voltage drop 8.0 VDC
Warm-up time 5 min.
Programming Loop Link
Signal / noise ratio Min. 60 dB
Accuracy Better than 0.1% of sel. range
Signal dynamics, input 19 bit
Signal dynamics, output 16 bit
Effect of supply voltage change < 0.005% of span / VDC
EMC immunity influence < ±0.5% of span
INPUT SPECIFICATIONS
Common input specifications
Max. offset 50% of selected max. value
Linear resistance input
Measurement range / min. range (span) 0…100 kΩ / 1 kΩ
Cable resistance per wire (max.) 100 Ω
Sensor current > 25 μA, < 120 μA
Effect of sensor cable resistance (3-wire) < 0.002 Ω / Ω
Sensor error detection Yes
Min. measurement range 1 kΩ
OUTPUT SPECIFICATIONS
Current output
Signal range 4…20 mA
Min. signal range 16 mA
Load (@ current output) ≤ (Vsupply – 8) / 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 135 ms
of span = of the presently selected range
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
EAC TR-CU 020/2011
APPROVALS
ATEX KEMA 10ATEX0004 X
IECEx DEK 13.0036X
INMETRO DEKRA 16.0014 X
DNV-GL Marine Stand. f. Certific. No. 2.4 V1-7-2

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