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거리측정기
멀티미터
범용 계측기
스코프 미터
시간 및 주파수 교정기
     
실내 공기 측정기
압력분야 교정기
열화상 카메라
온도미터
온도분야 교정기
       
전기분야 교정기
전기 측정 측정기
전력 분석기
절연저항 측정기
접지저항 측정기
       
클램프미터(후크미터)
프로세스 캘리브레이터
Accessary
   


DHI : Flow DHI : Pressure DHI : Software Pressurements Ruska Software
 
2413 DPI Cell
2456 Piston Gauge Monitor
2465A - Gas Piston Gauge
2468A - Pitot/Static Primary Standard
2470 Gas Piston Gauge/High Pressure
2482 Differential Piston Gauge
2485 Hydraulic Piston Gauge
7050 Digital Pressure Indicators
7050i Digital Pressure Indicators
7050LP Low Pressure Indicator
7250 Digital Pressure Controller/Calibrator
7250 Sys Multi-Range Pressure Calibration System
7250 xi Digital Pressure Controller/Calibrator
7250i Digital Pressure Controller/Calibrator
7250LP Low Pressure Controller/Calibrator
7252 Dual Output Digital Pressure Controllers
7350 Pneumatic high pressure controller
7615 Hydraulic Pressure Controller
7750i Air Data Test Set AeroCal
Liquid Trap
7250 xi Digital Pressure Controller/Calibrator
 

 

 
The Model 7250xi provides the highest accuracy available in a digital pressure controller today. Using multiple high performance Ruska manufactured quartz sensor technology, the 7250xi is able to achieve 0.005% of reading from 5% to 100% of the full scale pressure range. This is coupled with a high speed controller which will control to the set-point in less than 15 seconds with no overshoot.

The new 7250xi features an active matrix color screen display with enhanced navigation menus for ease of operation. Other new features include 10 ppm control stability with active and passive control modes. In active mode, the controller has the ability to make up for small leaks in the system. For systems where leaks are virtually eliminated, passive mode offers enhanced control stability by allowing the user to define a bandwidth around the set-point where the controller will shut off allowing the pressure to completely stabilize.
  • Pressure ranges from 0—400 mbar to 0—210 bar
  • Model 7250xi and 7250i provide enhanced precision: 0.005% of Reading
  • Economical Model 7250 provides 0.005% of full scale precision
  • Stability: 0.01% of reading per year
  • Time to setpoint: <15 seconds with no overshoot
  • Control stability to 0.001% of full scale
  • Active matrix color screen with enhanced navigation menus

 


Pressure Ranges

Model 7250xi Any Full Scale pressure range from 20 to 2500 psig (1.6 to 172 barg).
Optional Modes Absolute using barometric reference sensor for ranges from 15 to 2500 psig (1.0 to 172 barg)
Vacuum (negative gauge) for ranges 15 to 2500 psig (1.0 to 172 barg)
Vacuum reference (requires external vacuum pump)

Performance

Precision Model 7250xi
From 5% to 100% full scale (FS): 0.005% of reading
Below 5% FS: 0.005% of 5% FS

Precision is defined as the combined effects of linearity, repeatability and hysteresis throughout the operating. Expression of uncertainty conforms with the recommendations of the ISO Guide to the Expression of Uncertainty in Measurement.
Stability Ranges 2500 psi (172 bar): 0.0075% of reading per year
3000 psia (210 bar) range: 0.01% of FS
Control Stability Active mode: 0.001% FS (10 ppm) Passive mode: no additional uncertainty
Display Resolution User selectable to 1:1,000,000
Control Response 20 seconds or less with zero overshoot into a 15 in3 volume (245 cc) for ranges to 2500 psi (172 bar)
60 seconds for 3000 psia (210 bar) range
Negative Gauge Precision (optional) Model 7250xi
0.005% of 5% FS or 0.00075 psi (0.05 mbar), whichever is greater
Barometric Reference (optional) 0.002 psi (0.1379 mbar) maximum error per year
Vacuum Reference (optional) 0.0002 psi (0.014 mbar) maximum error per year (Only available on 7250i and 7250)

Calibration

Calibration A calibration report with traceability to National Institute of Standards and Technology (NIST) is provided. A NVLAP-accredited calibration is available.

Total Uncertainty

Maximum deviation from the true value of pressure including precision, stability, temperature effects and the calibration standard
Model 7250xi -- 5% to 100% FS 90 day 0.006% reading
1 year 0.009% reading

Control Parameters

Volume 5 to 60 cubic inches (82 to 980 cc)
Low Control (absolute) 0.15 psia (10 mbar)

Communications

Communications RS232 and IEEE-488, SCPI syntax. Series 7215, Model 7010, Series 6000 and DPI 510 emulation are standard.
LabVIEW driver
MetCAL driver—Optional
Firmware updates are performed via RS232 interface.

Languages

Menus and functions The Series 7250 is capable of displaying menus and functions in:
English, French, Chinese, German, Japanese, Spanish and Italian.

Options

Options
  • Barometric reference (absolute and vacuum)
  • Vacuum mode (negative gauge)
  • Vacuum reference (requires external vacuum pump)
  • Intecal software
  • NVLAP-accredited calibration
  • Triple scale for 3000 psia (210 bar) 7250
  • Rack mount kit
  • Liquid trap assembly

General

Display TFT, VGA, active matrix, 6.4 in (162.5 mm) 640 x 480 resolution, 65,000 colors
Temperature Operating: 64°F to 96°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

 

 



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법인명 : 주식회사 티앤씨  경기도 광명시 하안로 60, 광명SK테크노파크 A동 808호  사업자등록번호 108-81-96584  대표이사 : 김용정
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