► RECOMMENDED SHADE LEVELS FOR VARIOUS WELDING APPLICATIONS
/ EN 379 /
WELDING
PROCESS
MMA
MAG
TIG
MIG heavy metals
MIG light metals
Stainless, AI
Plasma cutting
Micro plasma
welding
► LIGHT TRANSMISSION CURVE
100
T[%]
10
1
0,1
0,01
0,001
0,0001
300
► DESCRIPTION OF KEMPER FILTER FEATURES
1. Solar cell
2. Photo-sensors (Photo diodes)
3. Filter housing
4. Liquid crystal shutter viewing area
5. Replaceable batteries (CR-2032)
6. Battery test (led diode)
7. Shade adjustment range selection
8. Welding or grinding selection
9. Shade adjustment
10. Sensitivity adjustment
11. Opening time delay adjustment
6
6
10
15
30
40
8
8
8
9
9
9
4
5
6
7
400
500
600
700
CURRENT IN AMPERES
60
70
100
125
150
9
10
autodark
760, autodark
®
9
10
autodark
760, autodark
®
10
11
autodark
760, autodark
660x
®
®
autodark
®
10
autodark
760, autodark
®
autodark
660i
®
10
autodark
760, autodark
®
®
autodark
660i
®
10
11
autodark
760, autodark
®
®
autodark
660i
®
8
9
10
autodark
760, autodark
®
Shade 3
Shade 4
Shade 6
Shade 7
Shade 8
Shade 9
Shade 10
Shade 11
Shade 12
Shade 13
800
900
1000
Wavelength
175
200
225
250
300
11
12
660x
®
autodark
660i
®
11
12
660x
®
autodark
660i
®
12
660i
11
12
660x
®
11
12
660x
12
13
660x
11
12
660x
®
autodark
660i
®
LIGHT STATE
DARK STATE
1100
1200
1300
λ[nm]
Figure
350
400
13
13
14
13
13
13
1400
G