1.1 Instrument Description
The instrument of Huazheng Electric Coulometric Karl Fischer titrators is an used for Coulometric water determination according to Karl Fischer. The instrument is designed for usage as a titrator in analytical laboratories.Its main application field is volumetric titration.
The present instrument is suitable for processing chemicals and flammable samples. The usage of this titrators therefore requires that the user has basic knowledge and experience in the handling of toxic and caustic substances. Knowledge with respect to the application of the fire prevention measures prescribed for laboratories is also mandatory.
1.2 Safety Instructions
Warning: This instrument may only be operated in accordance with the specifi-cations in this documentation.
Warning: An incorrect mains voltage can damage the instrument.Only operate this intrument with a mains voltage specified for it (see rearpanel of the instrument).
Warning:Never open the housing of the instrument. The instrument could be demaged by this. There is also a risk of serious injury if live components are touched.There are no parts inside the housing which can be serviced or replaced by the user.
Coulometric KF titration with automatic blank deduction Endpoint indication Voltametric, AC indication Iodine production Pulse with variable current strength and length.
Current at the generator electrode: 100, 200, 400 mA
Titration speed max： 40 ugH2O/s
Determination range 0 to200 mgH2O
Resolution 0.1 ug H2O
Reproducibility Sample: Reagent manufacturer's standard.With 10 ug...1000 ug H2O: ± 2 ug
With >1000 ug H2O: 0.2% or better
Drift compensation automatic
Display Graphical LCD, 240 x 128 dots, LED back-lit
Printer Built-in thermal printer, Paper width 57 mm
Memory Data storage 500 results
Stirrer control coordinated with the titration process
RS232 interface computer connection
2.2 Ambient temperature
Nom. operation range 5 ... 40 °C
Storage – 20 ... 60 °C
Transport – 40 ... 60 °C
2.3 Mains connection
Voltage 220 V ± 10 %
Frequency 50 ... 60 Hz
Power consumption max. 30 W
Material of housing Steel
Material of display Glass(LCD)
Width 320 mm
Height 240 mm
Depth 150 mm
Weight 8 kg
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