Smart Differential Pressure Transmitter - Aplisens PRE-28 SMART Series

Smart Differential Pressure Transmitter – Aplisens PRE-28 SMART Series

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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
Thermal error	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
Casing	Optional: SS316
Operating conditions
Operating temperature range (ambient temp.)	-25…85°C
Operating temperature range (ambient temp.)	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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