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2 Safety
12 K-439 Operation Manual, Version A
2.5.4 Built-in safety elements and measures
Buchi glassware design
All original Buchi digestion glassparts are made of high temperature and chemical resistant borosili-•
cate glass.
Acid fumes generated during digestion accumulate in the suction module•
The fumes must be safely withdrawn from the suction module via one or more hoses to a Scrubber •
(e.g. Scrubber B-414) or via water jet pump into a sink or sufficient suction flow.
3rd party glassware
The quality of the material is an essential part of the safety concept of the SpeedDigester K-439. For
the special rack (order no. 11055440), the following qualified vendors offer sample tubes of sufficient
quality grade to withstand the temperatures and the aggressive chemical digestion agents:
Qualified vendor Tested sample tube(s)
Gerhardt 250 ml / 6100
Velp ø 42×300 mm / A00000144
Foss 250 ml / 10014278
Heater
Each heating chamber is equipped with a safety overtemperature switch. In case of an emergency the
switch cuts off the power of the corresponding chamber.
2.6 General safety rules
Responsibility of the operator
The head of the laboratory is responsible for training his/her personnel.
The operator shall inform the manufacturer without delay of any safety-related incidents which might
occur during operation of the instrument or its accessories. Legal regulations, such as local, state and
federal laws applying to the instrument or its accessories must be strictly followed.
Duty of maintenance and care
The operator is responsible for the proper condition of instrument. This includes maintenance, service
and repair jobs that are performed on schedule by authorized personnel only.
Spare parts to be used
Use only genuine consumables and spare parts for maintenance to assure good system performance,
reliability and safety. Any modifications of spare parts or assemblies are only allowed with the prior
written permission of the manufacturer.
Modifications
Modifications to the instrument are only permitted after prior consultation and with the written approval
of the manufacturer. Modifications and upgrades shall only be carried out by an authorized Buchi tech-
nical engineer. The manufacturer will decline any claim resulting from unauthorized modifications.
- SpeedDigester 1
- Table of contents 3
- 1 About this manual 5
- 2 Safety 6
- SIGNAL WORD 7
- 2.5 Product safety 9
- 2.6 General safety rules 12
- 3 Technical data 13
- 3.2 Technical data 16
- 3.3 Materials used 17
- 4 Description of function 18
- 5 Putting into operation 19
- 5.2 System fixation 20
- 5.3 Electrical connections 21
- 6 Operation 22
- T 10A L 250 V 23
- 6.2 User interface 24
- 6.4 Software buttons 26
- 6.5 Software icons 27
- WARNING 37
- 7 Maintenance and repairs 50
- 7.1 Customer service 51
- 7.4 Sealing system 53
- 7.5 Rack system 54
- 7.6 Display cover 55
- 8 Troubleshooting 56
- 8.2 Diagnostics 57
- 8.3 Device fuses 59
- 9.1 Storage and transport 60
- 9.2 Disposal 61
- Health and Safety Clearance 62
- 10 Spare parts 63
- Description Order no 64
- BÜCHI Labortechnik AG 70
- T +41 71 394 63 63 70
- F +41 71 394 65 65 70
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