A1 19 DTR.APC.APR.ALW.03
(ENG)
5.1.2. APC..., APR... Permitted environmental conditions
Operating temperature range -40°C ÷ 85°C (for PED version in accordance with p. 5.2.3.)
Operating temperature range for intrinsic-safe versions in accordance with Appendix Exi
Operating temperature range for flame-proof versions in accordance with Appendix Exd
Operating temperature range for MID versions in accordance with Appendix MID.
Medium temperature range -40°C ÷ 120°C – for direct measurement,
for PED version in accordance with p. 5.2.3.
over 120°C measurement with a transmission
tube or diaphragm seal using
Thermal compensation range -25º ÷ 80ºC, (-40º ÷ 80ºC for special version APC...)
Relative humidity max. 98% with condensation
5.1.3. APC..., APR... Construction materials
Diaphragm seal for APC... Stainless steel 316L (00H17N14M2)(PED version) or Hastelloy C276
Diaphragm seal for APR... Stainless steel 316L (00H17N14M2)(PED version) or Hastelloy C276
Sensing module Stainless steel 316L (00H17N14M2)
Liquid filling the interior the sensing module Silicone oil, chemically inactive liquid for measurement of
oxygen uses.
Connectors for APC... Stainless steel 316L (00H17N14M2) or
Hastelloy C276 only for P, GP, CM30x2
C-type vented covers and connectors for APR.. Stainless steel 316L (00H17N14M2)
Electronics casing High pressure cast of aluminium alloy, lacquered with chemical
-resistant oxide enamel, colour yellow (RAL 1003) or ss316L.
Materials for APC… APR… transmitters with diaphragm seals are described in Diaphragm Seals Manual.
5.1.4. Enclosure ingress protection
IP 66,67 according to EN 60529
IP 65 according to EN 60529 with PD connector
5.1.5. Response time on pressure stroke.
t
d
4mA
20mA
t
c
9.89mA
t
c
t = 10 - 250ms
d
= 200ms
t
r
= + t
d
t
c
t
t
r
r
max.
min.
=
=
210ms
460ms
t
I
pressure off
APC...APR...transmitter wit 4 – 20mA output, response time on pressure stroke tr
measuring cycle 0,5s , damping = 0
.
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