Test and Measurement

Leak Tester
AD-1690 Leak Tester For quick screening for pipette failures!
Are you sure your pipettes are all accurate? Most pipette failures happen due to soiled or damaged parts compromising the airtightness of the pipettes. With the AD-1690 leak tester, you can instantly spot the pipettes that need to be fixed.
Development Story
Frequently Asked Questions
PDFBrochure (PDF 906KB)
PDFManual (PDF 697KB)
PDFManual Addendum (PDF 114KB)
interviews and testimonials
MOVIEPipette Accuracy Testers and Leak Tester Introduction (YouTube)
Quick testing of less than 5 seconds
Leak detection by depressurization ensuring no dust enters the object being measured
Replaceable air filter to protect the AD-1690 from dust when it intakes air
RS-232C interface to output data to a PC or an A&D peripheral device
Four types of attachments to cover micropipettes with capacities ranging from 2 μL to 10,000 μL
External Input / Output
AD-1690-01         Replacement tube set  (Adapter × 1, attachment × 4)
AD-1690-02         Replacement filter set  (Filter unit × 1, filter element × 10)
AD-1682         Rechargeable battery
AD-1688         Weighing data logger*
* Leak test data can also be stored.
Depressurization value -20 kPa ± 20% (Fixed)
Pressure tolerance inside instrument +0.2 kPa / 10 seconds
Leak test conditions Pressure tolerance setting:  +0.1 to +20 kPa (Unit: 0.1kPa)
Monitoring time:  From 0.5 seconds (Unit: 1 second)
Pump operation time Up to 6 seconds
Dimensions (W) 231 mm x (D) 126 mm x (H) 78 mm
Weight of the main unit Approx. 570 g
Do you need to check pipette accuracy more precisely?  If so, please click here.

Page Top