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BrandTech<sup>®</sup> BRAND PLT<sup>®</sup> Pipette Leak Testing Unit

BrandTech® BRAND PLT® Pipette Leak Testing Unit

The most frequent cause of inaccuracy in piston-operated pipettes is leakage. This arises from damage either to 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.

Air-displacement pipettes must be checked at regular intervals and the results must be compared with ISO 8655-2 error limits. However, a calibration certificate only reflects the results at the time of testing. The time between these calibrations is crucial, since leaks can occur at any time. Well over 80% of pipettes sent in for repair have leaks and are outside their volume tolerance even if they don't drip.

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.

The PLT unit includes:
• One adapter each for testing air-displacement pipettes with tip (mounted) and without tip
• Two plugs
• Three replacement PE filters for pipette adapter
• One universal AC adapter
• One quality certificate
• One operating manual

• Multichannel adapter sold separately

Image(s) are representative of the product group and not necessarily the individual product.
Catalog Item Availability Mfr. Part # List Price Unit
230-48339 BRAND PLT Pipet Leak Testing Unit with AC adapter, 100-240V, 50/60 Hz - 1 ea

703970 $1676.25 EA
230-48330 4-channel pipette adapter for Pipet Leak Testing Unit - 1 ea

703977 $245.50 EA
230-48333 Spare filters for pipette adapter for PLT unit - 10 ea

703978 $14.05 CS
230-48324 Pipette adapter for PLTU testing with tips - 1 ea

703975 $61.15 EA
230-48327 Pipette adapter for PLTU testing without tips - 1 ea

703976 $61.15 EA
230-48336 AC adapter for Pipet Leak Testing Unit, universal - 1 ea

703979 $95.70 EA

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The most frequent cause of inaccuracy in piston-operated pipettes is leakage. This arises from damage either to 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.

Air-displacement pipettes must be checked at regular intervals and the results must be compared with ISO 8655-2 error limits. However, a calibration certificate only reflects the results at the time of testing. The time between these calibrations is crucial, since leaks can occur at any time. Well over 80% of pipettes sent in for repair have leaks and are outside their volume tolerance even if they don't drip.

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.

The PLT unit includes:
• One adapter each for testing air-displacement pipettes with tip (mounted) and without tip
• Two plugs
• Three replacement PE filters for pipette adapter
• One universal AC adapter
• One quality certificate
• One operating manual

• Multichannel adapter sold separately

Image(s) are representative of the product group and not necessarily the individual product.

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