Mechanical construction
(continuation)
Materials
Housing
– Cast aluminium housing with protective polyester-based
powder coating RAL 5012 (blue), cover RAL 7035 (grey),
seawater spray test DIN 50021 (504 h) passed
– Stainless steel AISI 316L (1.4435)
Nameplates
AISI 304 (1.4301)
Process connections PMC 731
PMP 731
PMC 631, PMP 635
AISI 316L (1.4435) or Alloy C276 (2.4819)
AISI 316L (1.4435) or Alloy C276 (2.4819) with diaphragm in Alloy
AISI 316L (1.4435)
Process diaphragm PMC 731
PMP 731
PMC 631
PMP 635
Al
2
O
3
Aluminium oxide ceramic
AISI 316L (1.4435) or Alloy C276 (2.4819)
AISI 316L (1.4435)
optional AISI 316L (1.4435), Alloy C276 (2.4819), Tantalum, PTFE film
Gaskets
PMC 731
PMP 731
FPM Viton, FPM Viton cleaned for oxygen service
5)
,
FPM Viton oil and grease-free, NBR, Kalrez, EPDM, PTFE+Alloy C4,
Chemraz (see "Process conditions, Temperature application limits" )
FPM Viton, PTFE+Alloy C4, Copper (see "Process conditions,
Temperature application limits" )
O-ring for sealing cover
NBR
Mounting accessories
Bracket for pipe and wall mounting AISI 304 (1.4301)
Filling fluid in diaphragm seals
PMC 631, PMP 635
Silicone oil, vegetable oil, glycerine, high-temperature oil, Fluorolobe
grease-free for oxygen service
Measuring cell
Oil filling
PMC 731
PMP 731
None, dry sensor
Optional silicone or inert oil (Voltalef 1A), cleaned for oxygen service
5)
Display and operating interface
Display (optional)
Pluggable digital display and exra bar graph (28 segments)
(Pressure display as four-digit number and also in relating to the set
measuring range as bar graph).
Display resolution
Digital display: 0.1%
Bar graph: 1 segment equals 3.57% of the set span
Operation
Four keys on the device
Remote operation
HART protocol: Universal HART Communicator DXR 275
INTENSOR protocol via Commulog VU 260 Z
Power supply
Power supply voltage
11.5…45 V DC
EEx ia: 11.5…30 V DC, EEx nA: 11.5…36 V DC, EEx d and EEx d[ia
]
:
13…30 V DC
1)
Ripple
Ripple with Smart transmitters
No effect for 4…20 mA signal up to +/–5 % residual ripple within
permissible range
HART protocol. U
PP
smaller than 0.2 V (47 Hz to 125 Hz) and
U
eff
smaller than 2.2 mV (500 Hz to 10 kHz)
INTENSOR protocol. U
SS
smaller than 30 mV (0 Hz to 100 Hz)
Certificates and approvals
Pressure Equipment Directive
This device conforms to Article 3(3) of EC Directive 97/23/EG (Pressure
Equipment Directive) and is developed and produced in sound
engineering practice.
– PMP 731 with threaded connection, PN >200 bar (except of thread
ISO 228 G ½) and PMP 635 with threaded connection PN >200 bar and
separator: suitable for stable gases in fluid group 1.
– PMC 631 with pipe diaphragm seals
≥
DN 40/1½": suitable for stable
gases in fluid group 1.
CE mark
By attaching the CE Mark, Hauser confirms that the instrument
fulfils all the requirements of the relevant EC directives.
1) For devices approved for use in hazardous areas, see Safety Instructions (XA…), Installation Drawing or
Control Drawing (ZD…).
5) Observe operating limits for oxygen service for non-metallic materials.
9 Technical Data
Cerabar S
56
Hauser
Содержание Cerabar S PMC 731
Страница 6: ...6 Endress Hauser...
