Halogen leak detector wjl 6000 инструкция

Электронный детектор модели WJL-6000 для обнаружения утечки хладагента, содержащего хлор или фтор. →

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······GERMANY

TEC

‘LOGY

lEAK-DETECT

EXPERT······

WJL-6000

HALOGEN

LEAK

DETECTOR

CUSTOMER

MANUAL

······GERMANY

TECHNOlOGY

lEAK-DETECT

EXPERT······

General

Information:

Incorporated with advanced leak detect technology, WJL-6000

is

our new product

with the functions of easy operation, stable function and small appearance, it’s

an

ideal and economic halogen leak detector.

Features:

Detect all kinds of halogen refrigerants.

Sensitivity adjusted at any time and it can be adjusted automatically to the

best state of detecting.

Inner precise

IC

with Ultra-Low consume circuit design, more stable, longer

battery time.

Two-color visual display of battery voltage.

Excellent sensor, high sensitivity, longer use time.

Structure:

1.

Sensing tip

2.

Flexible probe

3.

Indicator light

4.

Buzzer

5.

Power on/off and

sensitivity adjusting faucet

6. Battery compartment

7.

Shell

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Battery

Voltage

Indication:

The forepart light of panel indicates the leak and the battery voltage.

Green

—Battery voltage

is

normal, sufficient for proper operation.

—Battery voltage

is

approaching the lower threshold for operation,

replace as soon as possible.

Reset

Feature/Automatic

Circuit:

WJL-6000 features

on

automatic circuit and a reset function that set the unit to

ignore ambient concentrations of Halogen.

Reset: Upon initial power

on

, the unit automatically sets itself to ignore the

level

of

refrigerant present at the tip

in

6’s and enter into the best state of

detecting. If place the sensing tip near a known leak and switch the unit

on

,

it’s convenient to find higher concentration leak. Or move to fresh air and

s-

witch on,adjust to maximum sensitivity,any concentration above zero will be

detected.

Automatic-circuit: When

in

the measuring state, automatic circuit will follow

the changing concentration of halogen gas

in

environment to avoid false

alarm.

Adjustment

of

sensitivity:

The unit features vari-speed sensitvity adjustment and can be adjusted during

the course of detecting.Ciockwise adjusting means high sensitivity and

in

reverse means low.

It does not mean,when to select, the higher sensitivity

is

adjusted,the better the

unit will work, because if the air

is

not fresh ,selecting higher sensitivity will cause

an

improper alarm.

Leak

alarm:

When the leaked gas

is

detected, the audible tone will change to a «siren» type

sound. More refrigerant, more siren. At the same time, Indicator light

is

flashing

quickly.

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TECHNOLOGY

lEAK-DETECT

EXPERT·

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Operating

Instructions:

Switch the unit

on

and discontinuous buzzer will be heard.

Verify the battery voltage level by observing the power indicator.

Adjust appropriate sensitivity, or adjust the sensitivity at any time during

operation. This adjustment will not interrupt detection.

To

detect 6’s later after the unit is switched

on

.

When refrigerant is detected, the buzzer will change to a «siren» type sound.

Verify the place of siren and detect continuously until the leak is confirmed.

Operating

tips:

Adjust to the higher sensitivity, when a leak can’t be found. Adjust to the lower

sensitivity when unstable.

When the buzzer alarms for leak, if the sensing tip remained at the part being

detected long enough,the circuit will equalize

it.

In

windy areas, even a large leak

is

difficult to

be

found. Under this condition it

is better to shield the potential leak area.

Be

aware that the detector may alarm if the sensing tip contacts with moisture

and/or solvents. Therefore, avoid contact with these when leak checking.

Recommended

Procedure

:

Note:

On

Automotive A!C Systems leak test with the engine not

in

operation.

J

J

The air conditioning or refrigeration system should

be

charged with sufficient j

refrigerant to have a gauge, pressure of at least 340 kpa (50 psi) when not

in

operation. At temperatures below 15‘C(59

‘F

),

leaks

may

not

be

measurable, J

since this pressure may not be reached. «‘-

Take

care not to contaminate the detector probe tip if the part being tested is

contaminated. If the part is particularly dirty, or condensate( moisture)

is

pre-

sent, it should

be

wiped off with a dry shop towel or blown off with shop air.

No cleaners or solvents should be used, since the detector may

be

sensitive

to their Ingredients.

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TECHNOLOGY

lEAK-DETECT

EXPERT·

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Visually trace the entire refrigerant system, and look for signs of air condition—

ing lubricant leakage, damage, and corrosion

on

all lines. Hose, and comp-

onents. Each questionable area should be carefully checked with the detector

probe, as well as all fittings, hose to line couplings, refrigerant controls, ser-

vice ports with caps

in

place, brazed or welded areas, and areas around atta-

chment points and hold-downs

on

lines and components.

Always follow the refrigerant system around

in

a continuous path so that no

areas

of

potential leaks are missed. If a leak is found, always continue to test

the remainder

of

the system.

At each area checked, the probe should be moved around the location, at a

rate no more than 25 to 50 mm/second(1-2in/second). And no more than

5mm(1/4in) from the surface, completely around the position . Slower and

closer movement of the probe greatly improves the likelihood of finding a

leak.

An

apparent leak shall

be

verified at least once

as

follows:

a) Blow shop air into the area of the suspected leak, if necessary ,and repeat

the check of the area.

In

case of very large leaks, blowing out the area with

shop air often helps locate the exact position

of

the leak.

b) First move the probe to fresh air and reset. Then hold the probe tip

as

close

as possible to the indicated leak source and slowly move around it until the

leak

is

confirmed.

Automotive

A/C

Systems

only-

Leak testing of the evaporator core while

in

the air conditioning module shall

be accomplished by turning the air conditioning blower on high for a

period

of

15seconds minimum, shutting it off, then waiting for the refrigerant

to accumulate

in

the case of 10 minutes. After such time, insert the leak

deteclor probe into the blower resistor block or condensate drain hole, if no

water

is

present, or into the closet opening

in

the heating/ventilation/air

conditioning case to the evaporator, such as the heater duct or vent duct. If

the detector alarms, a leak apparently has been found .

All

Systems:

Following any service to the refrigerant systems and any other servi

ce

whi

ch

disturbs the refrigerant system, a leak test

of

the repair and of the servi

ce

ports of the retrigerant system should

be

done.

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TECHNOLOIIY

lEAK-DETECT

EXPERT·

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Applications:

The

WJL-6000

may also

be

used to:

Detect leaks

in

other systems and storage/recovery containers. It will respond

to All halogenated (contains Chlorine and Fluorine) refrigerants. This

includes, but

is

not limited to:

CFCs e.g.R12,

R11

,R500,R503 etc

..

.

HCFCs e.g.R22,R123,R124,R502 etc

..

.

HFCs e.g.R134a ,R404a,R125 etc .. .

Blends such as AZ-50. HP62. MP39 etc .. .

Detect Ethylene Oxide gas leaks

in

hospital sterilizing equipment (it will

detect the halogenated carrier gas).

Detect SF-6

in

high voltage circuit breakers.

Detect most gases that contain chlorine, Fluorine and Bromine(halogen

gases).

Detect cleaning agents used

in

dry cleaning applications such as

perchloroethylene.

Detects halogen gases

in

fire-extinguishing system.

Maintenance:

Appropriate maintenance of your leak detector

is

very important. Carefully

following the instructions to reduce the mal-operation and prolong the life

expectancy of the unit

Keep the sensing tip clean from the dust, moisture and grease.

If the tip itself

is

dirty

it

can be cleaned by immersing

in

a mild solvent, such

as alcohol, for several seconds, and then using compressed air and/or a

towel to clean. Never use solvents such as gasoline, turpentine, minerals etc.

for they will leave detectable residue and desensitize your unit.

Warning:turn the tool off before replacing the sensing tip. Failure to do

so

may result in a mild electric shock!

Sensing tip replacement: the tip will eventually wear out and require replace-

ment.

It

is difficult to predict exactly when this will occur since tip longevity is

directly related to the conditions and frequency

of

use. The tip should be

replaced whenever the alarm sounds or becomes erratic

in

a clean and pure

environment.

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TECHNOLOGY

lEAK-DETECT

EXPERT······

Take out the batteries

in

case of long time of no-use.

If the tool does not work please inspect whether the batteries are

in

a stable

connnection or the voltage

is

below acceptable operating level. If not, please

inspect whether the tip

is

dirty and

in

a stable connection with the probe.

Your part of opening the tool is beyond the warranty service.

Specifications

and

parameter:

Operating temperature: OOC to

52

°C (30°F to 125r )

Maximum sensitivity: 6 gr/yr, for all halogenated refrigerants.

Battery life: Approximately

50

hours normal use.

Response time: Instantaneous.

Work mode: Continuous, no limitation.

Fixed Probe Length:20cm.

Unit Dimensions:22.9cm x 6.5cm x 6.5cm.

Warm—up time: Approximately 6 seconds.

Reset Time: Two to ten seconds.

Power Supply: 6V

DC

four cell 7# excellent batteries.

Warranty:

Should any problems arise

in

the operation within one year from the date of

purchase, a no-charge repair or replacement will be offered to the original

purchasers.

The warranty applies to all repairable instruments that have not been tamp—

ered with or damaged through improper use.

Make sure that you have reviewed the maintenance part of this manual to

see if the problem can be solved before returning it for repair.

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TECHNOLOGY

lEAK-DETECT

EXPERT······

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