Owner's manual
Table Of Contents
- Table of contents
- Table of figures
- 1 Introduction
- 2 Overview of the instrument
- 3 Installation
- 4 Operation
- 4.1 Fundamentals of operation
- 4.2 Instrument and Program Settings
- 4.3 Program information
- 4.4 Calibration functions
- 4.5 Methods
- 4.6 Determinations
- 4.6.1 Preparing samples
- 4.6.2 Preparing the instrument and the accessories
- 4.6.3 Preparing the determination
- 4.6.4 Starting the determination
- 4.6.5 Cleaning the instrument and accessories
- 4.6.6 Adjusting the method parameters during the determination
- 4.6.7 Stopping the determination manually
- 4.6.8 Status of the live curve
- 4.7 Results
- 4.8 GLP functions
- 5 Handling and maintenance
- 6 Troubleshooting
- 7 Technical specifications
- 8 Conformity and warranty
- 9 Accessories
- Index
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7 Technical specifications
743 Rancimat
￭￭￭￭￭￭￭￭
171
Shutdown temper-
ature
260 ± 11 °C
(if this temperature is exceeded, the heating is shut down, and
switched on again at 210 ± 11 °C)
Heating up time
for the instrument
approx. 45 min (from 20 °C to 120 °C)
approx. 60 min (from 20 °C to 220 °C)
Instrument exter-
nal temperature
< 50 °C
(at operating temperature 220 °C)
7.3 Conductivity measurement
Sensor
Conductivity measuring cell, integrated in the measuring vessel cover
6.0913.130
Structure
Conductivity measuring cell with 2 steel electrodes
Measuring princi-
ple
AC current measurement with 1 kHz frequency and approx. 1.7 V
amplitude (peak to peak)
Cell constant
1.00…1.20
(the exact value can be entered manually or determined automatically)
Measuring range
0…400 µS/cm
Resolution
0.1 µS/cm
Maximum error
±1 % ± 0.5 µS/cm
7.4 Gas flow regulation
Pump
Membrane pump
Adjustable range
7…25 L/h
Max. deviation
from the set range
±10 %