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3. Specifications
3. Specifications
Specifications
Model designation
Start of measuring range
End of measuring range
Overpressure safety
Service life
Material
Wetted parts
■
- Process connection
- Pressure sensor
Internal transmission fluid
■
Case
■
Power supply U
1)
B
Output signal and permissible max. resistive
load R
A
Settling time
Current supply
Insulation voltage
Linearity
Accuracy
2)
Zero offset for the zero signal
Repeatability
Long-term drift
Signal noise
Permissible temperature ranges
Medium
■
Ambient
■
Storage
■
1) The power supply for the pressure transmitter must be made via an energy-limited electrical circuit per UL/EN/IEC 61010-1 or an LPS to UL/EN/IEC 60950-1 or
class 2 per UL1310/UL1585 (NEC or CEC). The power supply must be suitable for operation above 2,000 m should the pressure transmitter be used at this altitude.
Only ever use a power source that ensures a safe electrical isolation of the operating voltage in accordance with IEC/DIN EN 60204-1. In addition, observe the
general requirements for PELV circuits in accordance with IEC/DIN EN 60204-1. Switching power supply units are permissible, if they ensure a safe isolation as
defined by IEC/EN 60950-1.
2) Including linearity, hysteresis, zero offset and end value deviations (corresponds to measured error per IEC 61298-2). Calibrated in vertical mounting position with
process connection facing downwards.
Pressure transmitter SPTW
SPTW
SPTW- ...
B2R
B11R
bar
-1
-1
bar
1
10
bar
2
20
10 million load cycles
Stainless steel 316L
Stainless steel 316L (from 0 ... 10 bar rel, 13-8 PH)
Silicone oil (only for measuring ranges < 0 ... 10 bar)
Stainless steel 316L
DC
8 ... 30 V
14 ... 30 V with output 0.1 ... 10 V
R
in ohm
4 ... 20 mA, 2-wire
A
0.1 ... 10 V, 3-wire
ms
< 4
mA
Signal current, max. 25 for current output, max. 8 for voltage output
DC
500 V
% FS
≤ ± 0.5 (BFSL) per IEC 61298-2
% FS
≤ ± 1.0
% FS
≤ 0.5 typ., ≤ 0.8 max.
% FS
≤ 0.1
% FS
≤ 0.1 per IEC 61298-2
% FS
≤ 0.3
°C
0 ... +80
°C
0 ... +80
°C
-20 ... +80
P2R
P6R
P10R
P16R
0
0
0
0
2
6
10
16
4
12
20
32
R
≤ (U
A
R
> 10 k
A
EN
P25R
P50R
P100R
0
0
0
25
50
100
50
100
200
– 8 V) / 0.02 A
B
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