FLUKE RUSKA 7250LP 7250i Low Pressure Controller / Calibrator with Shipping Case

$5800.0 Buy It Now or Best Offer
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Seller Store salessupportdayton
(5672) 100.0%,

Location: Dayton, Ohio
Ships to: US,
Item: 126750668787

All returns accepted:ReturnsNotAccepted
FLUKE:FLUKE
Product:Pressure Calibrator
MPN:7250LP

FLUKE RUSKA 7250LP 7250I Low Pressure Controller / Calibrator Includes and Ships in Large Hard Shell Shipping Case Looks Good, Powers On – Calibrated in May 2021 Please refer to our feedback to see our success selling and shipping valuable equipment.Thanks 7250LP Low Pressure Controller/Calibrator Highlights….Dual range, select from 10/30 inH2O or 20/60 inH2O or 35/100 inH20 range combinationsPrecision: 0.005 % of reading from 10 % to 100 % Full Scale (FS)Control stability: 0.004 % of each rangeResolution to 0.0001 inH2OTime to set point: 30 seconds with no overshootLanguages: English, French, Chinese, German, Japanese, Spanish and Italian The 7250LP low pressure digital pressure calibrator, part of the versatile Series 7250 family, is specifically designed to meet the demanding performance requirements of calibrating low pressure sensors, transducers, mechanical gauges, portable calibrators and their plug-in modules. To accommodate bidirectional devices, the 7250LP can be supplied to operate in both positive and negative gauge modes. The 7250LP offers unmatched performance and enhanced control stability. Utilizing multiple ranges in a single instrument, the 7250LP combines precision, stability, speed and affordability. The 7250LP has a unique quartz sensor, the most accurate pressure sensing technology available in a digital pressure calibrator. Each quartz sensor is manufactured and tested to provide the ultimate performance required by a Fluke Calibration pressure calibrator, ensuring that every customer receives the highest quality, precision and stability in their instrument. Description….Advanced precisionThe 7250LP is available in three different range configurations, each a dual range instrument. Select either the 10 inH20 and 30 inH2O combination, or the 20 inH2O and 60 inH2O or the 35 inH2O and 100 inH2O range combination. Each combination provides a precision to 0.005 % of reading from 10 to 100 % of the higher range. For pressures from 0 to 10 %, the precision is a fixed error equal to 0.005 % of 10 % FS. This unmatched precision is achieved by the unique quartz pressure sensing technology that puts the pressure in direct contact with the quartz element, eliminating mechanical linkages and metal diaphragms. Since this is a differential sensor, the reference side of the 7250LP can be connected to the reference side (low side) of the device under test. Therefore, disturbances due to room drafts, HVAC systems and opening/closing doors, which can have a detrimental effect on the calibration process, are eliminated. The 7250LP provides both unequalled precision and excellent long term stability due to the inherent properties of quartz. For example, the total uncertainty for a 10/30 inH2O range combination over a one year calibration interval is 0.009 % of reading or 0.00015 inH2O (whichever is greater). The 7250LP comes standard with an ISO/IEC 17025 accredited calibration report.High-speed pressure controlThe 7250LP will reach the commanded setpoint in thirty seconds or less into a 15 cubic inch volume, with no overshoot. Once at pressure, the proprietary pulse width modulated valves will maintain the setpoint to within 0.004 % of each range. Therefore, when using the 10 inH2O range in active mode, the control stability is 0.0004 inH2O.Dual control modesThe 7250LP also provides two user selectable control modes; active and passive. In active mode, the 7250LP is continually maintaining the set point and can compensate for small leaks and pressure changes due to temperature. In passive mode, the user defines a control band and the 7250LP will turn off the controller once it achieves the setpoint within the control band. In a leakfree and temperature-stable system, passive mode can completely eliminate control mode “noise” in the system.Automating pressure test and calibrationThe 7250LP is easy to use and can automate your calibrations in several ways:Step up/down: for calibrations where the increments are fixed intervals, enter a user-defined step value. The 7250LP increases or decreases the pressure by the step amount with the jog dial—no more lengthy keystroke sequences to program.Sweep test: For simple exercising routines, as with mechanical gauges, enter a start value, a stop value, and number of times to repeat the cycle. The 7250LP will automatically exercise the device under test prior to the calibration run.Onboard programs: For frequently used or lengthy calibrations, the 7250LP can store up to 20 user-defined programs/profiles with up to 1000 steps in internal memory.Computer interface: The 7250LP is provided with both an RS-232 and IEEE-488 interface, and syntax for all Series 7250s follows SCPI protocol for easy programming. COMPASS® for Pressure is available in addition to a LabVIEW® driver, as a free download. As a standard feature, software written for the previous generation Series 7215, 7010 and 6000 instruments is fully supported by the 7250LP. The 7250LP can be set to 510 emulation mode to use software originally written for the DPI 510. Firmware updates can be performed over the RS-232 interface (updates can be downloaded from the web site). A MET/CAL® software driver is available.Versatility to handle any pneumatic pressure calibrationThe 7250LP is versatile enough to handle almost any type of low pressure calibration.Dual range: The 7250LP has two ranges in one instrument, 10 inH2O and 30 inH2O, or specify the 20 inH2O and 60 inH2O or the 35 inH2O and 100 inH2O range combination. The 7250LP will automatically change ranges to ensure the highest performance at the requested pressure.Pressure units/scales: The 7250LP includes more than 12 standard units of measure, including inH2O at 4 °C (39 °F), 20 °C (68 °F), and 16°C (61 °F), in Hg at 0 °C (32 °F) and 16 °C (61 °F), kPa, bar, psi, kg/cm3, mm Hg at 0 °C (32 °F), cm Hg at 0 °C (32 °F), and cm H2O at 4°C (39 °F), and two user-defined units.Head pressure: The 7250LP automatically corrects for head pressure differences.Autovent and autozero: With a few keystrokes, the 7250LP will vent the test port to atmosphere or automatically zero itself. Protection of the device under test— The 7250LP sets upper and lower pressure limits to ensure protection of the device under test.OptionsThe 7250LP can be provided for gauge mode operation, or with:Vacuum (negative gauge) mode for bidirectional devicesRack mount kitCOMPASS® for Pressure softwareMET/CAL® software driverThe 7250LP low pressure digital pressure calibrator can easily automate low pressure test and calibration workload. The 7250LP is easy to use, easy to maintain and has the reliability, performance, and features you want. Specifications….Pressure RangesModel 7250LPSelect 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 H2OOptional ModesVacuum (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). PerformancePrecision0.005% 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.Stability0.0075% of reading, per yearControl StabilityActive mode: 0.004% of each range Passive mode: no additional uncertaintyDisplay ResolutionUser selectable to 1:1,000,000Control ResponseOptimized for 5 in3 load volume (included with 7250LP)Maximum 30 in3 load volumeNegative Gauge Precision (optional)7250LP: 0.005% of reading from 10% to 100% of FSTotal UncertaintyMaximum deviation from the true value of pressure including precision, stability, temperature effects and the calibration standard10 in H2O range/30 in H2O range0.009% of reading or 0.00015 in H2O20 in H2O range/60 in H2O range0.009% of reading or 0.0003 in H2O35 in H2O range/100 in H2O range0.009% of reading or 0.0005 in H2O General….DisplayTFT, VGA, active matrix, 6.4 in (163 mm) 640 x 480 resolution, 65,000 colorsTemperatureOperating: 64°F to 97°F (18°C to 36°C)Storage: -4°F to 158°F (-20°C to 70°C)Humidity5% to 95% relative humidity, non-condensingDimensions(h x w x d) All versions: 7 in x 16.5 in x 19 in (178 mm x 419 mm x 483 mm)WeightModel 7250/7250i: 17 lb (7.7 kg)Model 7250xi: 20 lb (9 kg)Test Port and Supply Connection1/4 in NPT femaleWarm Up Time2 to 3 hours; may be left on indefinitelyPressure MediumNitrogen or clean dry air

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