Metrohm 746 VA Trace Analyzer - Manual (Page 569)

8 Technical data
746 VA Trace Analyzer / 747 VA Stand
8-8
Stirrer
Construction 6.1246.010 Drive shaft + screw-on
6.1204.090 Stirrer tip
Material PTFE
Rotational speed 200, 400, 600, ... , 3000 min
–1
Speed constancy ± 2 %
Measuring vessels
6.1415.210 standard measuring vessel made of lead-free
borosilicate glass 3.3
working volume = 10 ... 90 mL
6.1415.150 measuring vessel made of lead-free borosilicate
glass 3.3 (option)
working volume = 5 ... 70 mL
6.1418.220 measuring vessel made of lead-free borosilicate
glass 3.3 with thermostat jacket (option)
working volume = 12 ... 70 mL
6.1450.210 measuring vessel made of PFA (option)
working volume = 10 ... 90 mL
Dummy Cell
Use checking the 747 VA Stand
determination of the signal/noise ratio
Connections AE auxiliary electrode
RE reference electrode
WE-L working electrode linear mode
(RC element)
WE-D working electrode differential mode
(peak/wave)
Inert gas (in general nitrogen N
2
)
Use operation of MME deaeration of sample solution
Required pressure p = 1 ± 0.2 bar (this gas pressure results in a gas
flow rate of ca. 20 L/h)
Safety specifications
Construction/testing According to IEC 1010 / EN 61010 / UL 3101-1
Safety directions The Instructions for Use include information and
warnings which must be heeded by the user to
assure safe operation of the instrument.