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Mã sản phẩm:
7MF1641
Tên sản phẩm:
SITRANS P250 (differential pressure)
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The SITRANS P250 transmitter measures the differential pressure of liquids and gases.
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SITRANS P250 differential pressure transmitter |
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Application |
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Differential pressure transmitter |
Liquids and neutral gases |
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Mode of operation |
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Measuring principle |
Piezo-resistive measuring cell (ceramic diaphragm) |
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Input |
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Measured variable |
Differential pressure |
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Measuring range |
0 ... 0.1 to 0 ... 25 bar
(0 ... 1.45 to 0 ... 363 psi) |
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Operating pressure |
≤ 25 bar (363 psi) at a differential pressure range < 6 bar (87 psi)
≤ 50 bar (725 psi) at a differential pressure range > 10 bar (145 psi |
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Burst pressure |
1.5 x operating pressure |
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Output |
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Output signal |
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4 ... 20 mA |
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0 ... 5 V and 0 ... 10 V DC |
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Load |
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3-wire |
> 10 kΩ |
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2-wire |
≤ (UH - 11 V) / 0.02 A |
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Measuring accuracy |
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Dynamic behavior (at 25°C (77°F), including conformity error, hysteresis and repeatability) |
≤ 1 % of typical full-scale value, see "Measuring range" table |
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Long-term drift acc. to IEC 60770 |
≤ 0.5 % of full-scale value/year |
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Influence of ambient temperature |
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≤ 0.6 %/10K of full-scale value
(≤ 1.2 % / 10K for measuring cell 0 ... 0.1 bar (1.45 psi)) |
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≤ 0.22 %/10K of full-scale value
(≤ 0.37 % / 10K for measuring cell 0 ... 0.1 bar (1.45 psi)) |
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Dynamic behavior |
Suitable for static and dynamic measurements |
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Response time T99 |
< 5 ms |
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Load variation |
< 50 Hz |
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Conditions of use |
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Ambient conditions |
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-15 ...+ 85 °C (5 ... 185 °F) |
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-15 ...+ 85 °C (5 ... 185 °F) |
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-40 ...+ 85 °C (-40 ... +185 °F) |
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Degree of protection acc. to EN 60529 |
IP65 |
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Mounting position |
Any |
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Mounting |
Mounting bracket, included in delivery |
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Design |
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Weight |
Approx. 430 g (approx. 0.95 lb) |
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Enclosure material |
Stainless steel 1.4305/AISI 303 |
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Electrical connection |
- Plug EN 175301-803-A
- Circular plug EN 60130-9
- Cable 1.5 m
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Process connection |
- Hose sleeve Ø 4 mm/6 mm
- Pipe union Ø 6 mm/8 mm
- Male thread 7/16-20 UNF, G1/8
- Female thread 1/8-27 NPT
- (Standard), G1/8
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Wetted parts materials |
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Stainless steel 1.4305/AISI 303, CuZn nickel-plated |
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Ceramic Al2O3 (96 %) |
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FPM (standard), EPDM, NBR, MVQ, CR |
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Power supply UH |
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Terminal voltage on pressure transmitter |
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11 ... 33 V DC |
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11 ... 33 V DC/
24 V AC ±15 % |
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18 ... 33 V DC/
24 V AC ±15 % |
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Current consumption at nominal pressure |
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< 20 mA |
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< 5 mA |
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Protection against polarity reversal |
Protected against short-circuit and polarity reversal. Each connection against the other with max. supply voltage. |
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Certificates and approvals |
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Approval |
CE conformity |
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Measuring range |
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Max. permissible operating pressure
(on either side) |
Burst pressure |
Max. permissible operating pressure
(on one side) |
Accuracy |
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[bar] |
[psi] |
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0 ... 0.1 |
0 ... 1.45 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
0.6 bar
(8.7 psi) |
≤ 1.0 % |
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0 ... 0.2 |
0 ... 2.9 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
0.6 bar
(8.7 psi) |
≤ 0.8 % |
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0 ... 0.25 |
0 ... 3.63 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
0.6 bar
(8.7 psi) |
≤ 0.5 % |
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0 ... 0.3 |
0 ... 4.35 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
0.6 bar
(8.7 psi) |
≤ 0.5 % |
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0 ... 0.4 |
0 ... 5.8 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
1.2 bar
(17.4 psi) |
≤ 0.8 % |
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0 ... 0.5 |
0 ... 7.25 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
1.2 bar
(17.4 psi) |
≤ 0.5 % |
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0 ... 0.6 |
0 ... 8.7 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
1.2 bar
(17.4 psi) |
≤ 0.5 % |
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0 ... 1 |
0 ... 14.5 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
2 bar
(29psi) |
≤ 0.5 % |
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0 ... 1.6 |
0 ... 23.2 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
3.2 bar
(46.4 psi) |
≤ 0.5 % |
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0 ... 2.5 |
0 ... 36.3 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
5 bar
(72.5 psi) |
≤ 0.5 % |
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0 ... 4 |
0 ... 58 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
8 bar
(116 psi) |
≤ 0.5 % |
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0 ... 6 |
0 ... 87 |
25 bar
(363 psi) |
37.5 bar
(544 psi) |
12 bar
(174 psi) |
≤ 0.5 % |
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0 ... 10 |
0 ... 145 |
50 bar
(725 psi) |
75 bar
(1088 psi) |
20 bar
(290 psi) |
≤ 0.5 % |
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0 ... 16 |
0 ... 232 |
50 bar
(725 psi) |
75 bar
(1088 psi) |
32 bar
(464 psi) |
≤ 0.5 % |
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0 ... 25 |
0 ... 363 |
50 bar
(725 psi) |
75 bar
(1088 psi) |
50 bar
(725 psi) |
≤ 0.5 % |
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