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Buck Libra Plus LP-20H 110/230V Pump Kit
Item Details
(Price is for domestic US market only)
Buck Libra Plus LP-20H 110/230V Pump Kit
Item Name:
Buck Libra Plus LP-20H 110/230V Pump Kit
Item #:

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Range 5 to 20 LPM

This LP-20H is the improved version of Libra Plus LP-20 personal Air Sampler.It has higher backpressure capability at high flow rate for those tough jobs where constant flow is required.** This pump contained in a high impact RFI/EMI shielded case, exclusive electronic circuit board  for constant flow control, an LCD display with 2 lines of 16 characters, a double diaphragm pump mechanism and a rechargeable nickel metal hydride battery pack.


Applications of this air sampling pump is to draw air contaminants in through a sampling media such as 25mm PCM , 37 and 47 mm filter cassettes, gauging personnel exposure to gases, vapors, particulates, aerosols, etc.

Special application for this pump is the popular spore trap cassettes such as the Allergenco-D or Air-O-Cell cassettes. This media requires 15 LPM with 2 to 4 inches of water pressure.

Other features of the Libra Plus  include elapsed time, flow rate and accumulated volume. The built in timer count down the sampling time and automatically turn off the pump. All data is saved and cleared for next sample under the MENU


  • Flow Compensation for filter plugging and battery voltage
  • Higher backpressure capability, upto 40" at 5LPM

  • No tools required to change flow rates.

  • Battery pack rechargeable while attached or separately

  • Stainless steel belt clip with built-in tripod connector

  • High impact Lexan case, antistatic and RFI shielded

  • “Auto-restart” within one minutes of a flow fault

  • External washable stainless steel 100 micron filter

  • Displays:  elapsed time, accumulated volume and flow rate

  • Accuracy +/- 5% of display reading or pump Flow Faults

  • Count down timer up to 40 hours, turns off pump.

  • Key pad lock system

  • One year warranty 

    **Older version of LP-20 is also available, please contact customer service for more info.

Click here to Download Technical Literature

Range 5.0 to 20.0 LPM

Money Orders and personal Checks also Accepted, choose Pay By Mail during checkout!

Notice: This publication is intended for general information only and should not be used as a substitute for reviewing applicable government regulations, equipment operating instructions, or legal standards. The information contained in this document should not be construed as legal advice or opinion nor as a final authority on legal or regulatory procedures. A.P. BUCK Inc reserves the right to make changes to information, features, and specifications of any product without notice. A.P. BUCK Inc has made every effort to ensure the accuracy of information displayed on this Website, however, A.P. BUCK Inc. is not responsible for typographical errors appearing on this Website. Price and availability information is subject to change without notice.

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