싱가폴 콤비버스에 VID를 장착한후 현지에서 측정한 매연수치 입니다.
(매연 저감율 : 50%)

The Combi bus that we had fitted the VID device was back today (22 June) for smoke emission test.
The result measure in K value as follow
1)     8.05
2)     3.47
3)     3.27
4)     3.57
5)     3.27
6)     3.18
7)     3.18
8)     3.27
9)     3.27
10)   3.27
Average @ 3.24 (base on last 5 sample)

Overall test as follow

Before installation      After            10 days later
1)     7.03                     6.31            8.05
2)     6.02                     3.27            3.47
3)     7.03                     3.18            3.27
4)     5.76                     3.37            3.57  
5)     6.65                     3.09            3.27
6)                                                 3.18  
7)                                                 3.18
8)                                                 3.27
9)                                                 3.27
10)                                               3.27
Average @ 6.49       @ 3.84        @ 3.24 (base on last 5 sample)

The results had shown improvement. Mr. Chee would like you to negotiate with the J.S. Engineering Co. for 30 unit of VID (specially for Combi D4AL in term frequency generated and cable connection).

With regards,