Helvi VISION 2.1, Инструкция по эксплуатации

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