Technical Specifications; Assembly Drawing; Recommended Shade Numbers; Possible Problems And Remedies - Helvi VISION 2.1 Manual De Instrucciones

TECHNICAL SPECIFICATIONS

Optical Class
Filter size
Viewing area
Sensors
Light Shade
Darkness Shade
Protection Adjustment
UV/IR Protection
Switching time from Light to
Dark
Switching time from Dark to
Light
Sensitivity/Dealy
Power Supply
ON/OFF
Low Battery alarm
Min Amp/TIG Rating
Grinding
Operating Temperature
Storage Temperature
A. Helmet
B. Rubber Frame
C. External Protection Lens
D. Filter
E. Internal Protection Lens
F. Holder Lock
1//1/1/2
110x90x9mm
98x44mm
2
3.5
9-13
Internal, variable shade
up to DIN16
1/16000 s
0.1-1.0s
adjustable by infinite knob
Solar cells and 2 Alkaline
AAA batteries
Automatic
Yes, red pilot lamp
≥ 5A AC - DC
Yes
-10°C-55°C (14°F-131°F)
-20°C-70°C (-4°F-158°F)

ASSEMBLY DRAWING

G. Filter Support
H. Headband kit
1. Locking knobs
2. Washer
3. Angle Adjustment Washer

RECOMMENDED SHADE NUMBERS

POSSIBLE PROBLEMS AND REMEDIES

Irregular Darkening Dimming
• Headband not properly set and uneven distance from
eyes and filter. Adjust again the headband.
FAuto-darkening Filter does not darker or flickers
• External Protection Lens are soiled or damaged, re-
place them.
• Sensors are soiled. Clean them carefully.
• Welding current is too low. Increase the sensitivity. .
• Check the batteries, ensure they are in good condi-
tion and properly installed. Check the contact surfaces
and clean them if necessary.
Slow response
• Operating temèerature is too low. Do not use the
mask under 10° C or 14° F.
Poor vision
• External or internal Protection Lens or Filter are soi-
led or damaged, replace them.
• Insufficient ambient light.
• Protection shade not properly adjusted, readjust it
Welding helmet is not firm on your head
• The headband is not properly adjusted, readjust it.
4. Right Limitation Washer
5. left Limitation Washer
6. Locking Screws
7. Adjustable headband
8. Sweatband
FIG. 4
9