Metrohm 787 KF Titrino - Manual (Page 67)

5.1 Technical specifications
787 KF Titrino
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5 Appendix
5.1 Technical specifications
Modes KFT: Karl Fischer titration
TITER: Titer determination with water or water-
containing standard, resp. with sodium tar-
trate
BLANK: Blank determination
Measuring input 1 measuring input for polarized electrodes.
Measuring range
Voltage 0...±1500 mV, resolution 1 mV, error limit 0.1 % fullscale
Current 0...±150 µA, resolution 1 µA
Polarizer
Ipol
0...±127 µA, resolution 1 µA
Upol 0...±1270 mV, in steps of 10 mV
Measuring amplifier (at 25 °C and Titrino warmed-up)
Input
resistance >10 13 Ω
Offset current <3 ∗10 –13 A
Deviation of offset voltage 15 µV/K
Dosification
Volume of buret cylinder 1, 5, 10, 20 or 50 mL
Resolution 10 000 steps per buret cylinder
Titrating buret 1 internal buret
Auxiliary buret additional: 776 or 765 Dosimat
Materials
Housing Polybutyleneterephthalate (PBTP)
Keypad cover Polycarbonate (PC)
Display LCD, 2 lines of 24 characters each
Height of characters 5 mm
LED back-lit