Technical data   
74 265Dx, 265VS IM/265D/V-EN-02 
 
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10.7  Technical specification 
 
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Important 
Refer to the ordering information to check the availability of 
different versions of the relevant model. 
 
Materials 
Isolating diaphragms 
1)
 Hastelloy C276
TM
; 
stainless steel (1.4435); 
Monel 400
TM
;
 
Tantal
 
Process flange, 
adapter, 
plugs, and drain/vent valves 
1)
 
Hastelloy C276
TM
; 
stainless steel (1.4404); 
Monel 400
TM
; 
Kynar (PVDF) 
Sensor filling liquid  Silicone oil, inert filling (carbon 
fluoride) 
Sensor housing  Stainless steel (316L/1.4404) 
Mounting bracket  Stainless steel 
Seals 
1)
 
Viton
TM
 (FPM) color: Green; 
Buna (NBR) color: Black; 
EPDM color: Black; 
PTFE color: White 
(for sensors C, F, L, N, R) 
or 
PEP-coated Viton
TM
  
Color: Gray (for sensor A) 
Screws and nuts  Stainless steel 
Class A4-70 screws and nuts to 
ISO 3506, in compliance with 
NACE MR0175 Class II 
Electronics housing and cover  Barrel design 
•  Aluminium alloy with low 
copper content (< 0.1 %), 
baked epoxy finish
 
• Stainless steel 
(316L / 1.4404) 
DIN design 
•  Aluminium alloy with low 
copper content (< 0.1 %), 
baked epoxy finish 
O-ring cover 
Viton
TM
 
Local zero and span 
adjustments 
Fiber glass-reinforced 
polycarbonate plastic 
(removable), no adjustment 
options for stainless steel 
housings 
Name plate  Stainless steel (304/1.4301) or 
plastic data plate attached to 
the electronics housing 
 
TM
 Hastelloy is a Cabot Corporation trademark. 
TM
 Monel is an International Nickel Co. trademark. 
TM
 Viton is a DuPont de Nemours trademark. 
 
1) Transmitter wetted parts 
 
Calibration 
Standard: 
0 to upper range limit (URL) for 
ambient temperature and 
atmospheric pressure 
Optional:  To specified span 
Optional accessories 
Mounting bracket  For vertical and horizontal 
60 mm (2") pipes or wall 
mounting 
LCD display  Pluggable and rotatable design 
Additional tag plate, e. g. for 
marking measuring points 
Tag with wire (both stainless 
steel) attached to the 
transmitter, with a maximum 
of 30 characters including 
spaces 
Lightning protection  Up to 4 kV 
•  Voltage pulses: 1.2 μs rise 
time; 50 μs delay time at 
half value 
•  Current pulses: 8 μs rise 
time; 20 μs delay time at 
half value 
Not available for devices with 
ATEX-EEx nL or 
PROFIBUS PA/FOUNDATION 
fieldbus featuring ATEX-EEx i 
or FM intrinsically safe designs. 
 
Oil- and grease-free for oxygen applications 
Preparation for hydrogen applications 
Certificates (test, design, characteristics, material traceability) 
 
Process connections 
Flange: 
1/4-18 NPT on the process axis; can be selected with 7/16-20 UNF 
fastening screw thread, DIN 19213 connection with M10 fastening 
screw thread for operating pressures of up to 16 MPa, 160 bar, 
2,320 psi or M12 fastening screw thread for higher operating 
pressures of up to 41 MPa, 410 bar, 6,000 psi. 
Adapter: 
1/2-14 NPT on the process axis. Center distance between flanges: 
54 mm (2.13 inch);  51, 54, or 57 mm (2.01, 2.13, or 2.24 inch)  for 
adapter fittings. 
 
Electrical connections 
Two 1/2 - 14 NPT or M20 x 1.5 threaded bores for cable glands 
directly on housing, or plug connector 
•  HART: Straight or angled Harting Han 8D (8U) connector and 
one mating plug 
•  FOUNDATION Fieldbus / PROFIBUS PA; 7/8" plug / M12 x 1 
 
Terminals 
HART version: Four terminals for signal/external display, for wire 
cross sections of up to 2.5 mm
2
 (14 AWG), and four connection 
points for testing and communication purposes. 
Fieldbus versions: Two signal terminals (bus connection) for wire 
cross sections of up to 2.5 mm
2
 (14 AWG). 
 
Grounding 
Internal and external ground terminals for wire cross sections of up to 
4 mm
2
 (12 AWG) are provided. 
 
Installation position 
The transmitter can be installed in any position. The electronics 
housing may be rotated 360°. A stop is provided to prevent 
overtravel. 
 
Weight (without options) 
Approximately 3.5 kg (7.72 lb); additional 1.5 kg (3.31 lb) for stainless 
steel housing 
Packaging adds 0.65 kg (1.43 lb) 
 
Packaging 
Carton  with  dimensions  of  approx.  230 x 250 x 270 mm 
(9.06 x 9.84 x 10.63 inches). 
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Change from one to two colu mns 
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