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The BetaGauge 330 is a revolution in pressure calibration technology for the process industries. With the 330, technicians have a small, lightweight calibrator that generates from high vacuum to 150 PSI using a high performance integral electric pump.

Gone is the drudgery of manual pumping or using large, heavy and unwieldy boxes with limited portability and poor battery life.

The BetaGauge 330 has a form factor only slightly larger than Martel's popular BetaGauge 321 and weighs in at a mere 2.5 pounds. The housing is contoured to easily fit a technician's hand with good balance top to bottom.

Performance doesn't stop with the pump. The BetaGauge 330 provides ±0.025 % of full scale accuracy on its internal, isolated pressure sensor. Temperature compensation on its internal sensor ensures accuracy in field applications. An external pressure module connection supports all 29 ranges of BetaPort-P pressure modules for even greater measurement capability.

A Pt100 RTD input is provided for temperature measurements accurate to ±0.1 ºC (0.2 ºF). In addition, the BetaGauge 330 measures and simulates 4-20 mA loop current signals. It can measure up to 30 VDC. An internal 24 VDC Instrument Power Supply supplies power to a transmitter under test.

Like its calibrator siblings, the 330 displays up to 3 calibration values at one time from the choice of internal pressure sensor, external pressure sensor, temperature from the optional RTD probe or electrical (mA or VDC). The display is a large back lit graphics style LCD that's easy to read in any lighting condition.

General Features:

  • Integrated internal electrically operated pneumatic pump: generates pressure to 300 PSI and vacuum to -12 PSI (-1 to 20 Bar, -10 to 200 kPa)
  • Accuracy of 0.035% FS
  • Small rugged compact design operates on eight (8) standard Alkaline AA batteries    
    • Only 8” high x 4” wide x 2-3/8” deep (20 cm x 10 cm x 6 cm)
    • Lightweight at just 2.5 lbs. (1.2 kg)
  • External pressure module interface supports all BetaPort-P pressure modules (requires optional BPPA-100 module adapter)
  • Pt100 RTD input for temperature measurement, accurate to 0.2 &#176F (0.1 &#176C) (measurement only)
  • 24 V loop power to power device under test
  • Store and recall 5 user defined setups
  • Clearbrite LCD with backlight can be configured to display up to 3 variables displayed simultaneously (user controlled)
  • Ideal for gas custody transfer flow meter applications
  • Pressure displayed in the user’s choice of 15 engineering units
  • Switch test is automatic using internal sensor or external pressure module
  • IP56 Rated
  • Percent error function


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1919793 N/A BetaGauge 330-30 PSI Integral Electric Pump Pressure Calibrator $3,031.44 N/A No Add To Cart
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1919782 N/A BetaGauge 330-150 PSI Integral Electric Pump Pressure Calibrator $3,031.44 N/A No Add To Cart
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1919919 N/A BetaGauge 330-300e with 300 PSI Integral Electric Pump Pressure Calibrator $3,394.56 N/A No Add To Cart
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1919790 N/A BetaGauge 330-300 PSI Integral Manual Pump Pressure Calibrator $3,031.44 N/A No Add To Cart
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1919882 N/A BetaGauge 330-30 PSI Absolute Integral Electric Pump Pressure Calibrator $3,031.44 N/A No Add To Cart
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1919883 N/A BetaGauge 330-150 PSI Absolute Integral Electric Pump Pressure Calibrator $3,031.44 N/A No Add To Cart
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