Model: Fluke 7250LP Low-Pressure Calibrator
This is the product that you are looking for dear engineers. This 7250LP always provide the accurate result that you are looking for. The most important things about this meter always give you the benefits that help you all the time.
The Fluke will arrive at the commanded setpoint in thirty seconds or less into a 15 cubic inch volume when no overshoot. Once at pressure, the proprietary pulse width modulated valves will child support the setpoint to within 0.004 % of each range. Therefore, behind using the 10 inH2O range in supple mode, the run stability is 0.0004 inH2O.
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Specifications: 7250LP Low Pressure Calibrator
Pressure Ranges
|
| Model 7250LP |
Select from three range combinations: 10 in H2O and 30 in H2O or 20 in H2O and 60 in H2O or 35 in H2O and 100 in H2O |
| Optional Modes |
Vacuum (negative gauge)
Other Series 7250 digital pressure controllers are available in a variety of ranges from 5 to 3000 psig (350 mbar to 207 bar). |
Performance
|
| Precision |
0.005% of reading from 10% FS to 100% FS. Fixed error of 0.005% of 10% FS from 0% to 10% FS
Precision is defined as the combined effects of linearity, repeatability and hysteresis throughout the operating temperature range.
Expression of accuracy (uncertainty) conforms with the recommendations of the ISO guide to the expression of uncertainty in measurement.
|
| Stability |
0.0075% of reading, per year |
| Control Stability |
Active mode: 0.004% of each range Passive mode: no additional uncertainty |
| Display Resolution |
User selectable to 1:1,000,000 |
| Control Response |
Optimized for 5 in3 load volume (included with 7250LP)
Maximum 30 in3 load volume |
| Negative Gauge Precision (optional) |
7250LP: 0.005% of reading from 10% to 100% of FS |
Total Uncertainty
|
| Maximum deviation from the true value of pressure including precision, stability, temperature effects and the calibration standard |
10 in H2O range/30 in H2O range
0.009% of reading or 0.00015 in H2O
20 in H2O range/60 in H2O range
0.009% of reading or 0.0003 in H2O
35 in H2O range/100 in H2O range
0.009% of reading or 0.0005 in H2O
|
General
|
| Display |
TFT, VGA, active matrix, 6.4 in (163 mm) 640 x 480 resolution, 65,000 colors |
| Temperature |
Operating: 64°F to 97°F (18°C to 36°C)
Storage: -4°F to 158°F (-20°C to 70°C) |
| Humidity |
5% to 95% relative humidity, non-condensing |
| Dimensions |
(h x w x d) All versions: 7 in x 16.5 in x 19 in (178 mm x 419 mm x 483 mm) |
| Weight |
Model 7250/7250i: 17 lb (7.7 kg)
Model 7250xi: 20 lb (9 kg) |
| Test Port and Supply Connection |
1/4 in NPT female |
| Warm Up Time |
2 to 3 hours; may be left on indefinitely |
| Pressure Medium |
Nitrogen or clean dry air |
