Semi-Micro Osmometer K-7400S instructions, V3700
Operation 20
7.6 Preparing a measurement
Note: The device should be switched on at least 5 minutes before use.
To check the stirring wire, press the <VIB> button.
Stab injury
Risk of injury from stirring wire during function test performance.
Perform the function test only with the sample tube attached.
Note: If you want to print out the measurement results, you may connect
a printer via RS-232 connector.
The result of each measurement will be printed automatically in the fol-
lowing format:
Measured 0400 mOsmol
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After a calibration run, you get the following print:
Calibrated 1234 mOsmol
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If a measurement is canceled due to an error, the screen displays the
cor responding error message. If a printer is connected, it prints the error
message, without the specification about the type of error.
(NO) FREEZE
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7.6 .1 Measurement preparation process
The device is switched on and calibrated.
1. Pipet 50–150 µl sample or calibration solution into a clean, dry sample
tube.
Practical Tip: The sample volume can be freely chosen in the mentioned
range. It is important that you use exactly the same amount for calibration
and measurement.
Note: Please consider, the higher the volume, the better the preci sion of
the measurement.
Prerequisites
Process
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