Pipette leak testing units PLT unit

  • Functional testing of your air-displacement pipettes in seconds.
  • Automatic documentation of test results with the PLTconnect software.
  • More security while pipetting.

The most frequent cause of inaccuracy in piston-operated pipettes is leakage. This arises from damage either to the seals, pistons, or tip cones. Often not detectable by the naked eye, leaks lead to significant volume errors. The BRAND pipette leak tester (PLT unit) for air displacement pipettes finds even the smallest leaks within seconds.

Limit values for the commercially available single- and multichannel pipettes in the volume range 1 μl to 10 ml are pre-programmed.

Testing with and without tips

Test results in seconds


While the PLT unit cannot replace regular gravimetric testing, daily pipette checks can provide a safeguard during the periods between calibrations. Even the smallest leaks are detected! Process reliability for the pipettes is thus significantly improved.

Grouped product items
Cat.-No. Product name
703970 PLT unit, Power adapter universal (100-240 V / 50-60 Hz)
Grouped product items
Price per From** Price***
1 piece(s) 1 1.378,30 € available from stock
** Minimum order quantity
*** Recommended sales price without VAT
available from stock available from stock
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PLT unit (Pipette Leak Testing Unit) Including one adapter each for testing single-chanel air-displacement pipettes with tip (mounted) and without tip, 2 plugs (for instrument validation), 3 replacement PE filters for the pipette adapters, universal AC adapter, quality certificate and operating manual.
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The PLT unit cannot replace regular gravimetric testing; however, daily pipette checks secure the phases between calibration. The smallest leaks are detected! As a result, the process security of the pipettes is substantially improved.