Buchi KjelSampler K-377 Manual do Utilizador Página 75
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6 Operation
75
K-375/376/377 Operation Manual, Version B
Pump calibration
Select the pump to be calibrated (H
2O, NaOH or
H3BO3).
Enter the target “Dose volume”, e.g. 50 mL.
Press START to start the calibration procedure.
Measure the actually dosed volume and enter it as
calibration volume in the displayed screen. Repeat
the calibration procedure, until the measured and
the dosed volume correspond.
An acceptable difference at 50 mL is ±5 mL.
NOTE
H
2O and NaOH can be dosed into the sample
tube and then poured into a graduated cylinder for
measurement.
The H3BO3 can be dosed directly into the receiving
vessel and then poured into a graduated cylinder.
Sampler functions
The actions “Move to zero position” and “Move to
service position” are available for both sampler types
(1-tray and 2-tray). For a 2-tray sampler the arm is
moved to the corresponding zero or service position
of the tray, the arm is actually positioned in.
For a 2-tray sampler it is also possible to move the
arm of the sampler with “Move to tray A” from tray B
to the zero position of tray A and vice versa.
Press START to move the arm to the selected posi-
tion.
- Operation Manual 1
- Document History 3
- Table of contents 5
- 1 About this manual 10
- 2 Safety 11
- SIGNAL WORD 12
- 2.5 Product safety 14
- 2.6 General safety rules 17
- 2 Safety 18
- 3 Technical data 19
- Product Order number 20
- Number of 23
- Product Order 23
- 3.2 Technical data overview 26
- 3.3 Titration solution 27
- 3.5 Reference substances 29
- 3.6 Materials used 29
- Part Material Material code 30
- 4 Description of function 31
- 4.3 Standby function 35
- 4.4 System preparation 35
- 4.6 Different methods 38
- 4.7 Blank values 39
- 4.8 Reference substances 39
- 4.9 Result Groups 39
- 5 Putting into operation 43
- 5.2 Electrical connections 44
- 2O is expected 49
- 3BO3) pump 50
- 5.5 Buret unit for titrant 51
- 5.6 Storage tank connection 52
- 5.7 Level sensors 53
- 5.9 Preparing the system 57
- 2O, H3BO3 and NaOH 58
- 2O, NaOH or H3BO3) 58
- 6 Operation 59
- Fig. 6.2 Title bar 61
- Fig. 6.3 Bottom bar 61
- Icon Meaning 62
- 6.3 User concept 63
- Fig. 6.5 Listed item 64
- 6.5 The status view 65
- 6.5.3 INFO display 68
- 6.6 Determination 69
- 2O, NaOH or 75
- 6.7 Results 89
- 6.8 Determination Parameters 97
- 6.9 Device 108
- Dosage volume in status view 110
- 6 Operation 118
- 7 Maintenance 119
- 7.1 Daily maintenance 120
- 2O volume 121
- 7.2 Weekly maintenance 123
- 7.3 Monthly maintenance 125
- 2O volume: 0 mL 126
- 7.4 Half-yearly maintenance 128
- 7.5 Yearly maintenance 133
- 7.6 Replace every two years 137
- Soiling Treatment Comments 139
- 7.8 Customer service 142
- 8 Troubleshooting 143
- 2SO4 in wrong 145
- 8 Troubleshooting 152
- 9 Taking out of operation 153
- 9.3 Storage/shipping 154
- 9.4 Disposal 154
- 10 Spare parts 155
- 10.2 Spare parts K-376/K-377 156
- Quality in your hands 160
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