Technical Data; Functional Specifications - ABB 265DS Operating Instruction

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10 Technical data

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10.1 Functional specifications

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Change from one to two columns
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Measured variable
265Dx : Differential pressure, vacuum pressure, gauge pressure
265Vx : Absolute pressure
Measuring range and span limits
Upper
Sensor Lower range
range limit
code limit (LRL)
(URL)
1 kPa -1 kPa
10 mbar -10 mbar
A
4 in H O -4 in H
2
6 kPa -6 kPa
60 mbar -60 mbar
C
24 in H O -24 in H
2
40 kPa -40 kPa
400 mbar -400 mbar
F
160 in H O -160 in H
2
250 kPa
-250 kPa
2,500 mbar
-2,500 mbar
L
1,000 in H
2
-1,000 in H
O
2,000 kPa -2,000 kPa
N 20 bar -20 bar
290 psi -290 psi
10,000 kPa -10,000 kPa
R 100 bar -100 bar
1,450 psi -1,450 psi
Change from one to two columns
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IM/265D/V-EN-02
Minimum span
265Dx 265Vx
0.05 kPa
0.5 mbar
O 0.2 in H O
2 2
0.2 kPa
2 mbar
O 0.8 in H O
2 2
0.4 kPa
2 kPa
4 mbar
20 mbar
O 1.6 in H O
15 mm Hg
2 2
2.5 kPa
12.5 kPa
25 mbar
125 mbar
O 10 in H O
93.76 mm Hg
2 2
20 kPa 100 kPa
0.2 bar 1 bar
2.9 psi 14.5 psi
100 kPa
1 bar
14.5 psi
Important
The lower range limit (LRL) for 265Vx is absolute 0 for all
measuring ranges.
Span limits
Maximum span = URL = Upper range limit
265Dx
Linear/freely programmable characteristic:
Square root characteristic: Sample setting: 0 ... 400 mbar
265Vx
Linear/freely programmable characteristic:
To optimize performance characteristics, it is recommended that you
select the transmitter sensor with the lowest turndown ratio.
Zero suppression and elevation
(265Vx: Zero suppression only)
The zero position and span can be set to any value within the range
limits listed in the table if:
- Set span ≥ minimum span
Damping
Adjustable time constant: 0 ... 60 s
This is in addition to the sensor response time.
Second sensor for absolute pressure measurement (
Measuring range:
Warm-up period
According to technical data, ready for operation in ≤ 2.5 s after
switching on the transmitter, with minimum damping.
Insulation resistance
> 100 MΩ at 500 VDC (between terminals and ground)
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265Dx, 265VS
Technical data
limits, may be adjusted up to ± upper
range limit
Sample setting: -400 ... 400 mbar
(Recommendation for square root function:
At least 10 % of upper range limit
(URL)).
0 ... 400 mbar abs.
41 MPa, 410 bar, 5,945 psi
(0.6 MPa, 6 bar, 87 psi for sensor code A)
Within the range
Sample setting:
265Dx)
67