A&D Weighing FX-300i-PT - Manual (Page 6)

4
1-2 Description of Each Component
z Evaporation trap
A chamber to prevent the evaporation of the dispensed test liquid.
(Refer to “1-4 Function of the Evaporation Trap”.)
z
Sample cup (Two types: 5 mL and 30 mL)
A cup to contain the test liquid dispensed from a pipette.
z
Test liquid cup
A container to keep a test liquid such as distilled water.
z
Thermometer (with a clamp)
Measures the temperature of the test liquid.
z
RS-232C cable and USB converter
Connects to a PC (personal computer) to transmit the test values to the PC.
z
WinCT-Pipette
Software for pipette accuracy testing to convert the test liquid mass
into a volumetric value.
z
Calibration weight (with a pair of tweezers to handle the weight)
A weight to calibrate the balance.
1-3 WinCT-Pipette, Software for Pipette Accuracy Testing
Features
The mass value of the distilled water dispensed from a pipette is transmitted from the balance to a
PC. Using the temperature of the test liquid and the barometric pressure that are previously entered,
the PC calculates the conversion factor (Z factor) from a mass value to a volumetric value and
converts the mass value into a volumetric value automatically, using the Z factor.
„ The measurement results are compared with the specifications previously entered, to perform
judgment whether the pipette will pass or fail.
„ Besides the pipette volume, test numbers, test dates and pipette information (manufacturer, model,
serial number) can be recorded as test data. The test data, output to a printer or stored in the PC,
allows easy management of pipette accuracy and reduces errors due to data mismanagement.
„ The specifications of accuracy and repeatability can be entered either as an absolute value ( μL)
or as a relative value (percentage to the pipette volume).
„ The mass value data from the balance can be transmitted to the PC either using a COM port or
using a USB connection. (For a USB connection, use the accessory USB converter.)
„ For testing various pipettes easily, multiple test conditions (pipette volume, number of
measurements and specifications) can be set previously. When multiple operators are set
previously, an operator can be selected easily as necessary.