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6 Appendix
757 VA Computrace – Hardware
76
H
Handling of mercury ...................................................53
Hazard ..........................................................................3
Height .........................................................................60
HMDE .........................................................................21
Holder
3
for measuring vessel
Figure ........................................................................8
Installation of measuring vessel..............................18
I
Immunity to interference .............................................60
Inert gas......................................................................59
Inert gas connection...................................................19
Inert gas lead-off.........................................................19
Inert gas pressure.......................................................19
Inert gas supply ..........................................................19
Information about the Instructions for Use...................2
Input bias current........................................................57
Input impedance.........................................................57
Insert ring
84
(4.420.3011)
Figure ......................................................................22
Installation...................................................................13
Instrument description..................................................1
Internal electrolyte.......................................................37
Introduction...................................................................1
K
KCl electrolyte solution (6.2308.020).....................64,66
L
Lead standard solution (6.2301.100) ....................64,66
Left side view ..............................................................10
Location of instrument................................................13
Locking ring
74
(4.420.2920)
Figure ......................................................................22
Locking ring
86
(4.420.2870)
Figure ......................................................................22
Locking ring
116
Figure ......................................................................39
M
Mains Adapter (6.2158.000)
Figure ......................................................................15
Installation ...............................................................15
Ordering designation .........................................65,67
Mains cable ......................................................14,63,66
Mains connection .............................................14,51,60
Mains connection plug
13
Figure ........................................................................9
Mains connection....................................................14
Mains frequency .........................................................60
Mains pilot lamp
5
Figure ........................................................................8
Function ..................................................................14
Mains switch
12
Figure ........................................................................9
Switch instrument on/off .........................................14
Mains voltage
Technical data.........................................................60
Material of base ..........................................................60
Material of cover......................................................... 60
Material of measuring arm ......................................... 60
Measurement techniques........................................... 57
Measuring head
20
Equipping ............................................................... 16
Figure....................................................... 11,17,35,45
Measuring head arm
19
Figure....................................................... 11,17,35,45
Measuring vessel
6
(6.1415.210)
Figure........................................................................ 8
Installation............................................................... 18
Ordering designation.............................................. 63
Measuring vessel (6.1415.150).................................. 69
Measuring vessel (6.1418.220).................................. 69
Measuring vessel (6.1450.210).................................. 69
Measuring vessels ..................................................... 59
Mercury
Filling capillary with vacuum................................... 26
Filling capillary without vacuum.............................. 24
Filling with mercury ................................................. 23
Handling ................................................................. 53
Properties ............................................................... 52
References.............................................................. 55
Replenishing ........................................................... 30
Safety considerations ............................................. 52
Threshold limit value (TLV) ..................................... 52
Toxicity.................................................................... 53
Mercury drop catcher (6.2406.000) ........................... 64
Mercury electrodes..................................................... 21
Mercury reservoir
82
Figure...................................................................... 22
Filling with mercury ................................................. 23
Replenishing the mercury....................................... 30
Microtip
26
(6.1824.000)
Connection to 765 Dosimat.................................... 40
Figure...................................................................... 11
Insertion in measuring head ................................... 16
Ordering designation......................................... 63,66
MME ......................................
see Multi-mode electrode
Monographs................................................................. 6
Multi-mode electrode
17
Changing capillary.................................................. 31
Cleaning.................................................................. 32
Construction ........................................................... 21
Electrical connection .............................................. 28
Figure....................................................... 11,22,23,27
Filling capillary with vacuum................................... 26
Filling capillary without vacuum.............................. 25
Filling with mercury ................................................. 23
Insertion in measuring head .............................. 18,28
Mounting capillary .................................................. 24
Operating characteristics ....................................... 21
Ordering designation.............................................. 62
Replenishing mercury............................................. 30
Storage ................................................................... 30
Technical data ........................................................ 58
N
Needle
91
(6.2816.030)
Figure...................................................................... 23
Ordering designation.............................................. 65
Nipple
23
(6.2730.030)
Figure...................................................................... 11
Nitrogen................................................................. 19,59
Noise .......................................................................... 57
Notation........................................................................ 3