Operating instructions

36 METTLER TOLEDO DL36
13. Technical data
13.1 DL36
Technical data
Measurement method
Control system
End point detection
Status display for a titration
End point display
Stirring
Capacity of the titration cell
Measurement range
Resolution
Repeatability
Measurement time
Drift
Display of the amount of
moisture
Entry range for
• stirring time t(stir)
• wait time t(wait)
• t(max)
• drift stop
Calculation function
coulometric titration following Karl Fischer
timing control by the microprocessor with constant
current pulses
by alternating current polarization
Ready:Titration possible for rough results
Stable: Titration possible for exact results
by audio signal
with magnetic stirrer, length 35 mm
maximum 150 mL
10 µg to 100 mg H
2
O content of a sample
0.1 µg
the relative standard deviation of the titration of
1 mg H
2
O in methanol is less than 0.3 %.
90 - 120 seconds for the titration of 1 mg H
2
O in
methanol
automatic compensation for the result calculation
selectable
from 0.1 µg to 999999 µg (after the titration)
0 - 999 seconds
15 - 999 seconds
0 - 9999 seconds
0 - 999 µg/min
Calculation of the moisture content
• in µg or mg
• in ppm or % with known weight