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