beautypg.com

Metrohm 757 VA Computrace User Manual

Page 80

background image

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