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20. WARRANTY
All products are designed and manufactured to the latest internationally
recognized standards by Zellweger Analytics under a Quality Management
system that is certified to ISO 9001. As such Zellweger Analytics warrants its
products against defective parts and workmanship and will repair or (at its
option) replace any instruments which are or may become defective under
proper use within 24 months* from date of first switch on provided this takes
place prior to the 'Activate Before' date. This warranty does not cover
disposable batteries or damage caused by accident, abuse, abnormal
operating conditions or extreme poisoning of sensor. Defective goods must be
returned to Lumidor premises accompanied by a detailed description of
difficulty.
Zellweger Analytics shall not be liable for any loss or damage whatsoever or
howsoever occasioned which may be a direct or indirect result of the use or
operation of the Contract Goods by the Buyer or any Party. This warranty
covers instrument and parts sold to the Buyer only by authorized distributors,
dealers and representatives as appointed by Zellweger Analytics.
This warranty supercedes all existing warranty statements and Zellweger
Analytics makes no other warranty expressed or implied except as stated
above. The warranties set out in this clause are not pro rata, i.e. the initial
warranty period is not extended by virtue of any works carried out there under.
For full statement of warranty terms please contact Zellweger Analytics.
* CO/H
S/O
only. For other gases 12 months
2
2
24
21. OTHER GASES
Default Alarm Set Points
Gas Type
Range
Level 1
Alarm
SO
150 ppm
2 ppm
2
Cl
50 ppm
0.5 ppm
2
HCN
100 ppm
5 ppm
NO
150 ppm
3 ppm
2
H
999 ppm
100 ppm
2
NH
100 ppm
25 ppm
3
Calibration Gas Concentration
Toxic Gas
Recommend Calibration Gas
Concentration
SO
10 ppm in air or N
2
2
Cl
5 ppm in N
2
2
HCN
10 ppm in N
2
NO
10 ppm in air
2
H
200 ppm in air or N
2
2
NH
25 ppm in air or N
3
2
Toxic Gas
Calibration Frequency
SO
6 months
2
Cl
6 months
2
HCN
6 months
NO
6 months
2
H
6 months
2
NH
6 months
3
Level 2
STEL
TWA
Alarm
Alarm
Alarm
5 ppm
5 ppm
2 ppm
1 ppm
1 ppm
0.5 ppm
10 ppm
10 ppm
5 ppm
5 ppm
5 ppm
3 ppm
500 ppm
N/A
N/A
50 ppm
35 ppm
25 ppm
Calibration Gas
Concentration Range
2~20 ppm
1~20 ppm
5~20 ppm
5~20 ppm
100~200 ppm
25~100 ppm
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