ESAB Sentinel A50 Bedienungsanleitung

Auto Darkening

Welding Helmet

Professional

Quality

Welding Helmet

SAFETY WARNINGS - READ BEFORE USING

WARNING

Read & Understand All Instructions Before Using

Auto-Darkening welding helmets are designed to protect the eye and face from sparks, spatter

and harmful radiation under normal welding conditions. Auto-Darkening filter automatically

changes from light state to dark state when welding arc is struck, and it returns to the light

state when welding stops.

The Auto-Darkening welding helmet comes assembled. But before it can be used, it

must be adjusted to fit the user properly. Check battery surfaces and contacts and

clean it if necessary. Verify if the battery is in good condition and installed

properly. Set up for delay time, sensitivity and shade number for your application.

The helmet should be stored in dry, cool and dark area and remember to remove

the battery before long-time storage.

WARNING

•This Auto-Darkening welding helmet is not suitable for laser welding.

•Never place this helmet and Auto-Darkening filter on a hot surface.

•Never open or tamper with the Auto-Darkening filter.

•This Auto-Darkening welding helmet will not protect against severe impact hazards.

•This helmet will not protect against explosive devices or corrosive liquids.

•Do not make any modifications to either the filter or helmet, unless specified in this manual.

•Do not use replacement parts other than those specified in this manual. Unauthorized

modifications and replacement parts will void the warranty and expose the operator to the risk

of personal injury.

•Should this helmet not darken upon striking an arc, stop welding immediately and contact

your supervisor or your dealer.

•Do not immerse the filter in water.

•Do not use any solvents on the filter screen or helmet components.

•Use only at temperatures: - 5 °C ~ +55 °C (23 °F ~ 131 °F).

•Storing temperature: -20 °C ~ +70 °C (- 4 °F ~ 158 °F). The helmet should be stored in dry

cool and dark area, when not using it for a long time.

•Protect filter from contact with liquid and dirt.

•Clean the filter surface regularly; do not use strong cleaning solutions. Always keep the

sensors and solar cells clean using a clean lint-free tissue.

•Regularly replace the cracked / scratched / pitted front cover lens.

•The materials which may come into contact with the wearer’s skin can cause allergic

reactions in some circumstances.

•The ADF shall only be used in conjunction with the inner cover lens.

•The eye-protectors against high speed particles worn over standard ophthalmic

spectacles may transmit impacts, thus creating a hazard to the wearer.

•Toughened mineral filter oculars shall only be used in conjunction with a suitable backing

ocular.

•If the symbols F or B are not common to both the ocular and the frame then it is the lower

level which shall be assigned to the complete eye-protector.

•If the impact letter followed by letter "T", you can use it for protection against high speed

particles at extremes of temperature. If the impact letter does not followed by letter "T", you

should only use the eye protector for protection against high speed particles at room

temperature.

WARNING

Severe personal injury could occur if the user fails to follow the above mentioned

warnings and/or fails to follow the operating instructions.

COMMON PROBLEMSAND REMEDIES

•Irregular Darkening Dimming

Headgear has been set unevenly and there is an uneven distance from the eyes to the filter

lens (Reset the headgear to reduce the difference to the filter).

•Auto-Darkening filter does not darken or flickers

1. Front cover lens is soiled or damaged (Change the cover lens).

2. Sensors are soiled (Clean the sensors surface).

3. Welding current is too low (Adjust the sensitivity level to higher).

4. Checkbatteryand verify theyare ingoodconditionandinstalled properly.Also, check

battery surfaces and contactsand clean if necessary. Pleaserefer to the “BATTERY

INSTALLATION” on page 2.

•Slow response

Operating temperature is too low (Do not use at temperatures below -5 °C or 23 °F).

•Poor vision

1. Front / inside cover lens and / or the filter is soiled (Change lens).

There is insufficient ambient light.

Shade number is incorrectly set (Reset the shade number).

Check if removing the film on the front cover lens.

•Welding helmet slips

Headgear is not properly adjusted (Readjust the headgear).

WARNING

The user must stop using the auto-darkening welding helmet immediately if the

above-mentioned problems cannot be corrected. Contact the dealer.

INSTRUCTIONS FOR USE

WARNING! Before using the helmet for welding, ensure that you have read and understood the safety

instructions.

•BATTERY INSTALLATION

Slide the battery cover out of the external control case,

install the battery properly (see fig. 1), remember to

slide back the cover after battery installation.

•DIGITAL TOUCH SCREEN ACTIVATION

This auto darkening filter will automatically turn on

when an arc is struck.

Option 1: Short press the “DISPLAY” button (see

fig. 2a) to active the digital screen. After 5 seconds, it

will automatically turn to standby mode. Short press

“DISPLAY” button again will active the screen once

more and previous settings will remain.

fig. 1

Besure Positive

(+) sideofbattery

facesup.

fig. 3

Option 2: Long press “GRIND” button on external control case for 3 seconds can also active

the digital screen (see fig. 2b). After 5 seconds, the screen will automatically turn to standby

mode.

•BATTERY INDICATOR

This ADF cartridge is powered by solar cell and 2pc CR2450 lithium batteries. The symbol

“ ” shows the current state of the battery. The volume of batteries has four levels symbol

to appear (see fig. 3). When the symbol shows “ ”, please replace new batteries in time.

•OPTION SELECTED STATUS

There will be a yellow bolder on the option you select.

•SELECTING GRIND MODE

Option 1: Touch the “GRIND” on display screen to switch to grind mode (see fig. 4-A), touch

the “GRIND” again will return to previous mode.

Option 2: After weld / cutting work, long press “GRIND” button on external control case for 3

seconds (see fig. 2b), the auto darkening filter will switch to grind mode. After 5 seconds, the

screen will automatically turn to standby mode. Long press “GRIND” button for 3 seconds

again, it will return to previous mode.

In grind mode, the lens shade is fixed shade 4 (see fig. 4-B), and the sensitivity and delay

cannot be adjusted. The grind indicator will flash every 3 seconds under grind mode (see

fig. 2a). Before restarting weld / cutting work, ensure that the auto darkening filter return to

weld / cutting mode.

fig. 4

•VARIABLE SHADE CONTROL

Touch the “SHADE” on display screen to set shade number (see fig. 5a-A), touch “SHADE”

once more to switch between Shade 5-9 and Shade 9-13, touch “ ” and “ ” to select the

lens shade. Select the proper shade number for your welding / cutting process by referring to

fig. 2a

fig. 2b

the “Shade Guide Table” below. The shade range for each mode is as follows:

Cutting Mode −Shade 5 ~ 9 (see fig. 5a-B)

fig. 5a

Weld Mode −Shade 9 ~ 13 (see fig. 5b-C)

fig. 5a

Grind Mode - Shade 4 only (see fig. 4)

•SENSITIVITY CONTROL

Touch the “SENSI.” on display screen to set the sensitivity (see fig. 6-A), touch “ ” and “ ”

to make the lens more or less sensitive to arc light of different welding processes. Sensitivity

setting 5-10 is the normal setting for everyday use. The sensitivity ranges for each mode are

as follows:

Weld Mode(Shade 5 ~ 9) / Cutting Mode(Shade 9 ~ 13) − Sensitivity 0 ~ 10 (see fig. 6)

fig. 6

Grind Mode − No sensitivity adjustment

As a simple rule for optimum performance, it is recommended to set sensitivity to the

maximum at the beginning and then gradually reduce it, until the filter reacts only to the

welding arc while don’t make reaction to ambient light conditions (direct sunlight, intensive

artificial light, neighboring welders’ arcs etc.).

•DELAY CONTROL

Touch the “DELAY” on display screen to set the delay time (see fig. 7-A), touch “ ” and “ ”

to adjust the time for the lens to switch to the clear state after welding or cutting. The delay

ranges for each mode are as follows:

Weld Mode(Shade 5 ~ 9) / Cutting Mode(Shade 9 ~ 13) −Delay 0 ~ 10 (see fig. 7)

fig. 7

Grind Mode − No delay adjustment

The delay is particularly useful in eliminating bright after-rays present in higher amperage

applications where the molten puddle remains bright momentarily after welding. Use the Lens

Delay Control buttons to adjust delay from 0 to 10 (0.1 to 1.0 second). When welding stopped,

the viewing window automatically changes from dark back to light but with a pre-set delay to

compensate for any bright afterglow on the workpiece. The delay time

/response can be set from Level 0 to level 10. It is recommended to use a shorter delay with

spot welding applications and a long delay with applications using higher currents. Longer

delays can also be used for lower current TIG welding, and TIG / MIG / MAG pulse.

•MEMORY SETTING

This auto darkening filter can save the pre-defined parameters as memory setting. Users can

take the set memory out any time they need. The system can save 8 sets of parameters at

most. Take Memory 1 as example, detailed step as follows:

Step 1: Touch “MEMORY” on display screen, set to “1” via touching “ ” and “ ” (see

fig. 8a-A).

Step 2: Setting shade number, sensitivity and delay via “ ” and “ ”.

Step 3: After finishing all settings, touch “SET” for save (see fig. 8b-A), the “1” after

“MEMORY” (see fig. 8b-B) will take a flash, which means the system has saved the

parameters just set and name this set as “1”.

Step 4: MEMORY 2 to MEMORY 8 can be set the same way. Users can callout

MEMORY setting via touching “MEMORY” first and then choose some certain set via

“ ” and “ ”.

fig. 8a

fig. 8b

•ADJUSTING THE FIT OF THE HELMET

•The overall circumference of the headband can be made

larger or smaller by rotating the knob on the back of the

headband. (See adjustment “Y” in fig. 9). This can be done

while wearing the helmet and allows just the right tension

be set to keep the helmet firmly on the head without it being

too tight.

•If the headband is riding too high or too low on your head,

adjust the strap which passes over the top of your head. To

do this release the end of the band by pushing the locking pin

out of the hole in the band. Slide the two portions of the band

to a greater or lesser width as required and push the locking

pin through the

‘Y’

nearest hole. (See adjustment “W” in fig. 9).

fig. 9

•Front and back bands will automatically self-adjust according to headform, and soft pads suit

forehead and back of head perfectly, which will bring more comfort (see fig. 10a). Test the fit

of the headband by lifting up and closing down the helmet a few times while wearing it. If the

headband moves while tilting, re-adjust it until it is stable.

• ADJUSTING THE DISTANCE BETWEEN THE HELMET AND THE FACE

Step 1: Press down and hold the “LOCK” latch on both sides (see fig. 10b) and it can be

slide back and forth.

Step 2: Loosen the “LOCK” latch and keep it snap into slots. Please make sure the distance

between the lens to both eyes are equal, to avoid uneven darkness.

•ADJUSTING VIEW ANGLE POSITION

Tilt adjustment is located on right side of helmet. Loosen the right headgear tension knob and

adjust the lever forward or back to the proper position. Re-tighten the right headgear tension

knob (see fig. 10c).

TOP

fig. 10c

fig. 10b

fig. 10a

Certiﬁcation and Control labels

The SENTINEL™ A50 welding ﬁlters are tested for eye protection by the following notiﬁed body: DIN CERTCO

Gesellschaft fürKonformitätsbewertung mbH, Alboinstr. 56, D-12103 Berlin, notiﬁed body 0196, that provides approval and

continual quality system under the control of the European Commission, the German Ministry forWork and the Central

Ofﬁce of the Provinces.

The shell and the auto darkening filter are marked accordingly. Classification for eye and face protection is following

EN379, EN175, EN166.

We are therefore allowed to use the following marks:

European Conformity mark.

This conﬁrms that the product fulﬁls the requirements of

the Directive 89/686/ EWG

EN 175

Address from

DIN CERTCO Gesellschaft für

Konformitätsbewertung mbH

Alboinstr. 56 ,

D-12103 Berlin

ADF Marking Explaination: 4/5-9/9-13 TM 1/1/1/2/379

4 - Light state scale number

5-9 - Lightest dark state scale number

9-13 - Darkest state scale number

TM - Manufacture’s identiﬁcation

1 - Optical class

1 - Diffusion of light class

1 - Variation in luminous transmittance class

2 - Angle dependence of luminous transmittance class

379 - Number of the standard

MAINTENANCE

•REPLACING THE FRONT COVER LENS

Replace the front cover lens if it is damaged. Press the semicircle button on external grind

control side (see fig. 11a), remove the front cover lens carefully. When replace new front cover

lens, make sure to assemble from the side without Grind Button first (see fig. 11b), and then

snap the lens into the button side.

•REPLACING THE INSIDE COVER LENS

Replace the inside cover lens if it is damaged. Place your fingernail in recess below cartridge

view window and flex lens upwards until it releases from edges of cartridge view window.

•REPLACING THE AUTO DARKENING FILTER

Push upwards the latches on both side of ADF, then the ADF can be removed from the shell

(see fig. 12a). When assembling new ADF, put the ADF into shell, push down the latches for

lock. (see fig. 12b).

•CLEANING

Clean helmet by wiping with a soft cloth. Clean cartridge surfaces regularly. Do not use strong

cleaning solutions. Clean sensors and solar cells with methylated spirit and a clean cloth and

wipe dry with a lint-free cloth.

TECHNICAL SPECIFICATION

Optical Class:

1 / 1 / 1 / 2

Viewing Area:

100 x 60 mm (3.94" x 2.36")

Arc Sensor:

Light State:

DIN 4

Grind State:

DIN 4

Cutting Mode:

Shade No. from 5 to 9

Welding Mode:

Shade No. from 9 to 13

Shade Control:

Internal, Variable Shade, Digital Touch Control

Power On/Off:

Automatic On / Off

Sensitivity Control:

Low — High, Digital Touch Control

UV/IR Protection:

Up to Shade DIN13 at all times

Power Supply:

Solar cell. Battery replaceable

2 × CR2450 lithium battery

Switching Time:

1/25,000 s. from Light to Dark

Oxyfuel Gas Welding

Yes

Oxygen Cutting

Yes

Grinding:

Yes

Delay (Dark to Light):

0.1 ~ 1.0 s Digital Touch Control

Low Amperage TIG Rated:

≥ 2 amps (DC); ≥ 2 amps (AC)

Operating Temp.:

-5 °C ~ +55 °C (23 °F ~ 131 °F)

Storing Temp.:

-20 °C ~ +70 °C (- 4 °F ~ 158 °F)

Helmet Material:

High Impact Resistance Nylon

Application Range:

Stick Welding (SMAW); TIG DC&AC; TIG Pulse DC;

TIG Pulse AC; MIG/MAG/CO2; MIG/MAG Pulse;

Plasma Arc Cutting (PAC); Plasma Arc Welding

(PAW); Air Carbon Arc Cutting (CAC-A); Oxyfuel Gas

Welding (OFW); Oxygen Cutting (OC); Grinding

Approved:

DINplus, CE, EN175, EN 379, EN166, ANSI Z87.1,

CSA Z94.3, AS/NZS 1338.1

fig. 11a

fig. 11b

fig. 12a

fig. 12b

SHADE GUIDE TABLE

GUIDE FOR SHADE

NUMBERS

OPERATION

ELECTRODE

SIZE 1/32 in.

(mm)

ARC

CURRENT(A)

MINIMUM

PROTECTIVE

SHADE

SUGGESTED

(1)

SHADE NO.

(COMFORT)

Shielded metal

arc

welding

Less than 3

(2.5)

3-5

(2.5–4)

5-8

(4–6.4)

More than 8

(6.4)

Less than

60-160

160-250

250-550

—

Gas metal

arc

welding and

ﬂux

cored arc

welding

Less than

60-160

160-250

250-500

—

Gas tungsten

arc

welding

Less than

50-150

150-500

Air

carbon

Arc

cutting

(Light)

(Heavy)

Less than

500

Plasma arc

welding

Less than

20-100

100-400

400-800

6 to 8

Plasma arc

cutting

(Light)

(2)

(Medium)(2)

(Heavy)(2)

Less than

300

300-400

400 800

Torch

brazing

–

3 to 4

Torch

soldering

–

Carbon arc

welding

–

PLATE

THICKNESS

in.

Gas welding

Light

Medium

Heavy

Under 1/8

1/8 to 1/2

Over 1/2

Under 3.2

3.2 to 12.7

Over 12.7

4 or 5

5 or 6

6 or 8

Oxygen cutting

Light

Medium

Heavy

Under 1

1 to 6

Over 6

Under 25

25 to 150

Over 150

3 or 4

4 or 5

5 or 6

(1) As a rule of thumb, start with a shade that is too dark, then go to a lighter shade which gives sufﬁcient view of the weld zone without going

below the minimum. In oxyfuelgas welding or cutting where the torch producesa high yellow light, it is desirable to use a ﬁlter lens that absorbsthe

yellow or sodiumline the visible light of the (spectrum)operation

(2) These valuesapplywhere the actualarc is clearly seen. Experiencehas shown that lighter ﬁlters may be used when the arc is hiddenby the

workpiece. Data

from

ANSI

Z49.1-2005

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