Fluke – 7050LP Low Pressure Indicator

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The 7050LP low pressure digital pressure indicator, 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 7050LP can be supplied to operate in both positive and negative gauge modes.+

Three models are available to meet a wide range of applications:

* Model 7050i with advanced percent of reading precision
* Model 7050 with a high performance-to-price ratio
* Model 7050LP for low pressure measurements

  • Dual range, select from 10/30 inH2O or 20/60 inH2O or 35/100 inH20 range combinations
  • Precision: 0.005 % of reading from 10 % to 100 % Full Scale (FS)
  • Resolution to 0.0001 inH2O
  • Languages: English, French, Chinese, German, Japanese, Spanish and Italian

Standard Pressure Ranges

Model 7050LP 10/30 inH2O (25/75 mbar)
20/60 inH2O (50/150 mbar)
35/100 inH2O (87/250 mbar)
Optional Modes Absolute using barometric reference sensor for ranges from 15 to 1500 psig (1.0 to 100 barg) Absolute using vacuum reference option for ranges 5 to 1500 psig (400 mbar to 100 barg) Negative gauge



Precision Model 7050LP
From 10% to 100% of maximum FS, 0.005% reading, Below 10% maximum FS: 0.005% of 10% maximum FS
Stability 0.0075% of reading per year
Display Resolution User selectable to 1:1,000,000
Negative Gauge Precision (optional) Same as the corresponding gauge pressure



Calibration An ISO-17025 accredited calibration is provided.


Total Uncertainty

Maximum deviation from the true value of pressure including precision, stability, temperature effects and the calibration standard
Model 7050LP 10/30 inH2O (25/75 mbar) RSS: 0.005% and 0.0075% of reading per year down to 10% of maximum FS, Below 10% RSS: 0.00015 inH2O (0.000375 mbar) and 0.0075% of reading per year



Communications RS232 and IEEE-488, SCPI syntax. Series 7250, 7215, Model 7000 and Series 6000 emulation are standard.

MET/CAL® drive—optional
LabView® drive
Firmware updates are performed via RS232 Interface



Menus and functions The Series 7050 is capable of displaying menus and functions in:
English, French, Chinese, German, Japanese, Spanish and Italian



  • Negative gauge only
  • MET/CAL driver
  • COMPASS for Pressure
  • Rack mount kit
  • DVU Dual Volume Unit



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 All models: 16 lb (7.5 kg)
Power 90 to 260 VAC, 50/60 Hz, 150W
Test Port and Reference 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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