Smart Differential Pressure Transmitter – Aplisens PRE-28 SMART Series

Features

  • 4…20 mA output signal + HART protocol
  • Intrinsic safety certificate (ATEX, IECEx)
  • Static pressure limit up to 420 bar
  • Accuracy 0,1%
  • Gold plated diaphragms (Au)
  • Wetted parts material Hastelloy C276
  • Marine certificate DNV, BV
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Specification

Accuracy ≤ ±0.1% of the calibrated range
Long-term stability
(for the nominal measuring range)
≤ accuracy for 3 years
Thermal error < ±0,08% (FSO) / 10°C
max. ±0.3% (FSO) in the whole compensation range
Thermal compensation range -25…80°C
Zero shift error for static pressure 0,01% (FSO) / 10 bar for ranges no. 3, 4, 5, 6, 7, 9
0,03% (FSO) / 10 bar for range no. 8
0,06% (FSO) / 10 bar for ranges no. 1, 2
Zeroing the transmitter in conditions of static pressure can eliminate this error.
Response time 16…230ms (programmable)
Additional electronic damping 0…30 s
Error due to supply voltage changes 0,002% (FSO) / V
Electrical parameters
Power supply 7,5…55 VDC (Ex ia 7,5…28 VDC)
Output signal 4…20 mA + HART
Resistance required for communication min. 240 Ω
Materials
Wetted parts SS316L, Hastelloy C276
Diaphragms SS316L, Hastelloy C 276, Au
Casing SS304
Optional: SS316
Operating conditions
Operating temperature range (ambient temp.) -25…85°C
Exi a version -25…80°C
Medium temperature range  -25…120°C
over 120°C measurement with use an impulse line or diaphragm seals
up to 100°C version for 413bar static pressure
CAUTION: the medium must not be allowed to freeze in the impulse line or close to the process connection of the transmitter

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Aplisens PRE-28.Smart Differential Pressure Transmitter -DpstarGroup

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