Metrohm 751 GPD Titrino - Manual (Page 221)

6.1. Technical specifications
751 GPD Titrino
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6 Appendix
6.1 Technical specifications
Modes DET: Dynamic Equivalence Point Titration
MET: Monotonic Equivalence Point Titration
SET: Set End point Titration
KFT: Karl Fisher Titration
STAT: Keeping a measured value constant
DOS: Dosing
DOC: Controlled dosing with measured value gradient
MEAS: Measurement
CAL: pH calibration
TIP: Links commands to titration procedure
Measuring inputs 2 high-impedance measuring inputs for pH, redox and ISE
electrodes.
1 reference input for a separate reference electrode. May
also be used as a differential amplifier.
1 measuring input for polarized electrodes.
1 measuring input for temperature sensor Pt100 or Pt1000.
Measuring range
pH value (pX) 0... ± 20.00, resolution 0.01
Voltage 0...±2000 mV, resolution 1 mV, error limit 0.1 % fullscale
Current 0...±200 µ A, resolution 1 µ A
Temperature –150.0...+450.0 °C, resolution 1 °C
Polarizer Ipol 0...±127 µ A, resolution 1 µ A
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 µ V/K
Dosification
Volume of buret cylinder 1, (2), 5, 10, 20 or 50 ml
Resolution
10 000 steps per buret cylinder
Titrating burets 2 external and 1 internal buret
external: 685 Dosimat or 700 Dosino
Auxiliary burets 2 additional burets: 776 or 765 Dosimat
Materials
Housing Polybutyleneterephthalate (PBTP)
Keypad cover Polycarbonate (PC)