Cosmos XP-702IIIS Series User manual

This instruction manual explains the use of three models listed on the left.
Keep this instruction manual available for quick reference when needed.
Read this instruction manual and throughly understand before using the
product.

Table of Contents
－Included in this Package －................................................................1
1. Introduction............................................................................................2
Symbols ...................................................................................................2
Safe Operation.........................................................................................3
2. Part Names and Functions....................................................................4
3. Operating Procedure.............................................................................7
Operating Procedure................................................................................7
Displaying the Target Gas Name............................................................12
Changing the Target Gas .......................................................................13
Silent Mode (No Operation Sound)........................................................13
Deactivating the Alarm Buzzer...............................................................14
Lighting the Backlight.............................................................................14
4. Error Displays (Error Alarms).............................................................15
5. Replacement of Consumable Parts....................................................16
Filter Element Replacement...................................................................16
Dust Filter Replacement.........................................................................17
Battery Replacement..............................................................................18
6. Maintenance Check .............................................................................19
Daily Check............................................................................................19
Periodic Inspection.................................................................................19
Consumable Parts, Replacement Parts, and Options............................20
7. Troubleshooting...................................................................................21
8. Warranty...............................................................................................22
9. Specifications ......................................................................................23
10. Detection Principle ............................................................................24

- 1 -
－Included in this Package －
The package includes the items listed in the following table. Before using the Gas Leak
Detector, be sure to check that all items have been provided. Every precaution has been
taken in preparing the Gas Leak Detector. However, if any items are missing or damaged,
please contact your New Cosmos distributor. Replacements for any missing or damaged
items will be sent.
.
●Optional Gas Collector Sets (Sold Separately)
*1 Refer to page 20 for details on the contents.
Name
Quantity
Gas Leak Detector (with soft case)
1
DF-114 Drain filter
1
Replacement FE-2 filter element
1
AT-2G Gas Probe
1
FE-106 Dust filter
1
Hand strap
1
Size AA alkaline batteries
2
Instruction Manual
1
Operation guide
1
Inspection report
1
Model
Contents *1
ATS-1
AT-5 and AT-6 Gas Collector, AT-11 Annealed
Copper Tube, SH-4-05 Sampling Hose
ATS-2
AT-5 and AT-7A Gas Collectors and RP-4
Telescopic Probe
ATS-3
RP-1Telescopic Probe, AT-12 Flexible Adapter, and
SH-4-1 Sampling Hose
ATS-6
AT-5 Gas Collector, AT-11 Annealed Copper Tube,
SH-4-05 Sampling Hose, and AT-2G Gas Probe

- 2 -
1. Introduction
Thank you for purchasing a New Cosmos Gas Leak Detector. Please read this Instruction
Manual thoroughly before using the Gas Leak Detector to help prevent gas leakage
accidents and to aid in safety inspections.
XP-702III-A(S) and XP-702III-F(S) Gas Leak Detector detect leakage of any two gases of
town gas, LPG, and Freon (switchable)*. XP-702III-B(S) Gas Leak Detector detects leakage
of one gas*. When the gas concentration exceeds the set value, a buzzer and lamp provide
notification of the gas leakage to help prevent gas leak accidents.
*Check the target gas with gas name label on the Gas Leak Detector.
Read and understand thoroughly this Instruction Manual regardless of your experience with
using Gas Leak Detectors.
Do not use this Gas Leak Detector for improper purpose. Do not use this Gas Leak
Detector in undocumented way in this manual.
Symbols
The following symbols are used for safety purposes:
Indicates an imminently hazardous situation, which will result in death
or serious injury if not avoided.
Indicates a potentially hazardous situation, which will result in death
or serious injury if not avoided.
Indicates a potentially hazardous situation, which may result in minor
injury or property damage if not avoided.
Operational advice and/or instruction.
WARNING
DANGER
CAUTION
NOTE

- 3 -
Safe Operation
Be sure to observe the following to use the product safely and properly.
Be sure to turn ON the power in clean air. Since zero adjustment is
performed automatically, the proper gas concentration will not be
displayed when turning on the power in gas atmosphere.
Do not block the inlet and outlet. Otherwise, it may no be able to detect
properly
Do not allow water or liquids to enter the Gas Leak Detector. It may
cause interference to the gas detection and may damage the Gas Leak
Detector.
Make sure that Filter Element is clean. If the Filter Element is dirty or
wet, it may no be able to detect properly.
Do not block the buzzer hole. It will muffle the alarm.
WARNING
Remove the batteries if the Gas Leak Detector will not be used for an
extended period of time.
Check the remaining battery charge periodically (approximately once a
month) even if the Gas Leak Detector remains unused for an extended
period of time. Replace batteries if the batteries are leaking when the
remaining battery charge is low.
Do not attempt to disassemble, modify or alter the structure or electric
circuits of the Gas Leak Detector. It may affect its performance.
Do not leave the Gas Leak Detector in hot and humid environment for
a long period of time. It may affect its performance.
Do not use the Gas Leak Detector in places where the temperature or
humidity fluctuates greatly. It may affect its performance.
Keep the Gas Leak Detector away from significant changes in
atmospheric pressure. It may affect the performance of or damage the
sensor.
Avoid high mechanical impacts, dropping and throwing the Gas Leak
Detector. It may affect its performance.
In case of dew condensation, conduct an inspection after drying the
Gas Leak Detector completely before use.
Do not use the Gas Leak Detector near silicon sealing agents or in
atmosphere containing silicon gas. It may affect its performance.
Make sure to use the specified batteries. It may affect its performance.
The Gas Leak Detector may detect gas or solvent vapors other than
the target gas. Consider the inspection environment when using the
Gas Leak Detector.
Detecting high concentration of SO2or Cl2may decrease the sensor
life or increase errors.
CAUTION
If the gas alarm is activated, take all necessary precautions immediately
to prevent explosion.
High concentration of combustible gas may exhaust from the gas
outlet. Keep the gas outlet away from the fire.
This product is not explosion-proof and thus should not be
used in a hazardous area.
DANGER

- 4 -
2. Part Names and Functions
1
2
11
7
9
5
4
10
8
6
3
13
12

- 5 -
No.
Name
Functions
1
AT-2G Gas Probe
Gas inlet.
2
DF-114 Drain Filter
Protects the Gas Leak Detector from water, dust,
and other foreign matter.
3
FE-106 Dust Filter
Protects the Gas Leak Detector from fine dust,
sand, and other foreign matter.
4
Outlet
Gas outlet to exhaust sampled gas.
5
Power/Sensitivity Button
Turns the power ON and OFF.
Sets the gas sensitivity level.
6
Buzzer Button
Turns the alarm buzzer and operation sound ON
and OFF.
Switches the gas types for two-gas model.
7
Restart Pump Button
(Backlight Button)
Restarts pump operation after a pump error. Also
lights the LCD backlight and displays the target gas
name on the LCD.
8
Alarm/Error Lamps (red)
Light up or flash when detecting gas leakage. The
flashing frequency increases as the concentration
of the gas leak increases. The lamps light if the
concentration is very high. These lamps also flash
when an error occurs in the pump or sensor.
9
Buzzer hole
The buzzer sounds.
10
LCD
Displays the gas sensitivity and messages.
(a) The remaining battery charge is displayed.
Battery charge:
High . . . . . . . . . . . . . . . . . Low
(b) The target gas is displayed. (The displayed gas
is the target gas. The target gas is not displayed
if the Gas Leak Detector detects only one-gas
type.)
(c) The indicator shows the operation sound. (The
indicator is displayed only when the operation
sound is turned ON.)
(d) The indicator shows the alarm sound. (The
indicator is displayed only when the alarm
sound is turned ON.)
(e) The pump operation is displayed. (The indicator
rotates if the pump is operating normally.)
(f) The gas sensitivity level, target gas name, and
errors are displayed.
11
Gas Sensitivity Lamps (green)
Indicate the gas sensitivity level. There are five gas
sensitivity levels. However, if Freon is the target
gas, only one level is used.
12
Battery Lid
The cover to the battery compartment.
13
Gas Name Label
The target gas name label.
(a)
(b)
(c)
(d)
(f)
(e)

- 6 -
No.
Name
Functions
1
Side Zipper
Open the zipper to replace the batteries.
2
Back Pocket
The Operating Guide is stored here.
3
Inside Pocket
A Replacement Filter Element is stored here.
Soft case
1
3
2

- 7 -
3. Operating Procedure
Operating Procedure
1. Insert the batteries
There are no batteries in the Gas Leak Detector at the point of purchase. Insert the
enclosed batteries into the Gas Leak Detector. (Refer to Battery Replacement on
page 18.)
2. Turn ON the power, Warm up, Displays gas sensitivity
1) Press the power button for approximately one second. The buzzer beeps and the
power will be ON.
2) “ADJ” is displayed on the LCD while the Gas Leak Detector is warming up. The
stability of sensor is indicated with five gas sensitivity lamps (green). As the
sensor stabilizes, the flashing lamp moves down in order from the lowest
sensitivity level (3). Before warm-up is completed, the highest sensitivity level (0)
lamp will flash. (The maximum warm-up is three minutes.)
Always perform the daily check before using the Gas Leak Detector.
(Refer to page 19.)
WARNING
STEPS
3
Detection
Turn OFF
power
4
Insert
batteries
1
2
Turn ON
power
Warm-
up
Gas
concentration
display
Be sure to turn ON the power in clean air. Since zero adjustment is
performed automatically, the proper gas concentration will not be
displayed when turning on the power in gas atmosphere.
WARNING
If the sensor stabilizes quickly, all of the lamps may not flash one at a
time. If the Gas Leak Detector remains unused for an extended period of
time, the warm-up time may increase and “E-S”may be displayed on the
LCD. (Refer to Sensor Error on page 15.) If sensor error is displayed,
cycle the power.
NOTE
SENS.
L
H
SENS.
L
H
SENS.
L
H
SENS.
L
H
SENS.
L
H

- 8 -
3) When the warm-up operation is completed, the buzzer
sounds once, a gas sensitivity lamp (green) lights, and
the gas sensitivity level is displayed on the LCD.
The gas sensitivity level is set to level (1) immediately
after the batteries are inserted. It starts up next time with
the same settings of gas sensitivity level.
SENS.
L
H
Check the target gas before detection.
For a model of one-gas type (XP-702III-B(S)), check the gas
name with gas name label on the Gas Leak Detector. For a
model of two-gas type (XP-702III-A(S) or XP-702III-F(S)), either
“GAS1” or “GAS2” is displayed on the LCD. Check the name of
the corresponding gas with gas name label on the Gas Leak
Detector.
The target gas is displayed on the LCD by pressing the restart
pump button. (Refer to Displaying the Target Gas Name on page
12.)
CAUTION

- 9 -
4) The gas sensitivity can be set from five levels in descending order of sensitivity 0,
1/5, 1, 2 and 3. Change the gas sensitivity as needed when using the Gas Leak
Detector.
Decreasing the Gas Sensitivity Level
Each time pressing the power button, the
buzzer will sound once and the gas sensitivity
level will be decreased one level. The lighted
gas sensitivity lamp (green) will move up one
by one, and the LCD will also display the same
sensitivity level as shown on the gas sensitivity
lamp.
When the gas sensitivity level is decreased
beyond 3, the level will return to level 0.
Increasing the Gas Sensitivity Level
Each time pressing the power button twice (like
double-click), the buzzer will sound twice and
the gas sensitivity level will be increased one
level. The lighted gas sensitivity lamp (green)
will move down one by one, and the LCD will
also display the same sensitivity level as shown
on the gas sensitivity lamp.
When the gas sensitivity level is increased
beyond 0, the level will return to level 3.
The detected gas concentrations for the gas sensitivity levels are as
follows.
Level 0: Detects concentration of 10 ppm or less.
(Detectable gas leakage: 3.3 × 10 -6 Pa·m3/s)
Level 1/5: Detects concentrations of around 30 ppm.
The gas sensitivity level is always 1/5 for Freon gas and cannot be
changed.
NOTE
Sensitivity setting: 32 11/5 0
Press the power button for more than 3 seconds to turn OFF the power.
NOTE
Sensitivity setting: 3 2 11/5 0
LOW
Gas sensitivity
SENS.
L
H
SENS.
L
H
Gas sensitivity
HIGH

- 10 -
3. Detection
Move the Gas Probe towards the detection place. When the Gas Leak Detector
detects a gas leak, the alarm lamp (red) will flash and the alarm buzzer will start
sounding continuously. As the gas concentration increases, the alarm buzzer will
sound more frequently and will change to continuous sound. (The alarm buzzer will
sound faster as approaching the location of gas leak.)
The alarm lamp (red) will flash and then light continuously in sync with the alarm
buzzer.
4. Turn OFF the power
After the detection, press the power button for 3 seconds. The buzzer sounds three
times and the power will go OFF.
Alarm Buzzer
If the alarm buzzer sounds or the alarm lamp (red) lights up /flashes,
take necessary measures. If necessary, evacuate to a safe place and
confirm the safety of gas concentration before going back to the
location where the alarm occurred.
If the remaining battery charge indicator appears, replace the
batteries in a Expolionzardous clean air location promptly. (Refer to
Battery Replacement on page 18.)
If “E-B” is displayed on the LCD (refer to Battery Alarm on page 15),
the buzzer will start sounding continuously and the Gas Leak
Detector will not be working. Early battery replacement is
recommended..
DANGER
The alarm buzzer can be turned ON and OFF as needed. (Refer to
Deactivating the Alarm Buzzer on page 14.)
NOTE
Make sure that the alarm buzzer is not sounding before turning OFF
the power. If the alarm buzzer is sounding when turning OFF the
power, a sensor error (refer to page 15) may occur at the next use.
In case of detecting Freon, take in clean air for several minutes before
turning OFF the power. Otherwise, a sensor error (refer to page 15)
may occur when turning ON the power again.
In case of detecting high concentration gas, take in clean air for
several minutes before turning OFF the power, to prevent to affect
performance. (Refer to Procedure after Sampling High Concentrations
of Gas on page 11.)
CAUTION

- 11 -
Automatic Gas Exhaust Mode
If there is any gas remaining in the Gas Leak Detector when the power is turned
OFF, it will enter automatic gas exhaust mode. When it enters automatic gas
exhaust mode, the buzzer will sound once, “60” will be displayed on the LCD, and a
countdown will start (59, 58...).
Procedure after Sampling High Concentrations of Gas
If a high concentration gas of any in the following table is detected, leave the Gas
Leak Detector in clean air for a certain period of time before turning OFF the power.
Turning OFF the power immediately may affect performance. Also, a sensor error
(refer to page 15) may occur.
Estimated Time to Leave in Clean Air (if sampling gas is 1,000 ppm)
Gas Name
Period of Time to Leave
Ammonia (NH3)
10 minutes
Ethylene oxide (EO)
Pentane (C5H12)
Butadiene (C4H6)
Gasoline
30 minutes
Propylene oxide (PO)
Benzene (C6H6)
Cyclopentane
Dichloroethane (EDC)
Isopropyl alcohol (IPA)

- 12 -
Displaying the Target Gas Name
The target gas is displayed on the LCD by pressing the restart pump button. To display
the gas sensitivity level again, press the restart pump button while the gas name is
being displayed. By pressing the power button while the gas name is displayed, the
gas sensitivity level is changed and displayed.
Target Gas
LCD
Town Gas
LPG
Freon Gas
Other Gas

- 13 -
Changing the Target Gas
The target gas can be changed when turning ON the power for a
model of two-gas type (XP-702III-A(S) or XP-702III-F(S)). Either
“GAS1” or “GAS2” will be displayed on the LCD as the target gas.
To change the target gas after the power is already ON, turn OFF
the power once.
Silent Mode (No Operation Sound)
Press the buzzer button for 3 seconds while the power is ON to
enter silent mode.
In silent mode, the operation sound and alarm buzzer will not
function and the operation sound and alarm sound indicators on
the LCD will not be displayed. However, the error alarm buzzer
and battery alarm buzzer (in unusable state) will sound. (Refer to
Error Displays on page 15 and to Battery Replacement on page
18.)
To release silent mode, press the buzzer button for 3 seconds.
The alarm buzzer cannot be turned ON or OFF unless silent mode
is released. (Refer to Deactivating the Alarm Buzzer on page 14.)
The name of the target gas will be displayed on the
LCD by pressing the restart pump button. (Refer to
Displaying the Target Gas Name on page 12.)
For a model of one-gas type (XP-702III-B(S)), the
target gas is not displayed and it cannot be changed.
In silent mode, the Gas Leak Detector produces no
sounds at all except for errors and the battery alarm.
It will be impossible to confirm operation audibly.
Avoid using silent mode unless it is absolutely
necessary, and make sure to release silent mode
after use.
CAUTION
NOTE
Silent mode will remain in effect even when the power
is turned OFF unless silent mode is released or unless
the batteries are replaced.
NOTE
Displaying target gas
SENS.
L
H
SENS.
L
H
Operation sound
indicator
Alarm sound
indicator
SENS.
L
H
SENS.
L
H

- 14 -
Deactivating the Alarm Buzzer
The alarm buzzer for gas detection can be turned ON or OFF.
Press the buzzer button while the power is ON, the buzzer sounds
once and the alarm buzzer sound will be turned ON or OFF.
The alarm sound indicator on the LCD will light (buzzer ON) or go
out (buzzer OFF).
Lighting the Backlight
The LCD backlight lights while the restart pump button is being pressed.
It also lights automatically for approximately 15 seconds when an error occurs.
When the power is turned ON again, the alarm buzzer
sound setting will be the same as before the power
was turned OFF. However, the alarm buzzer sound
will be turned ON after the battery replacement.
The alarm buzzer sound cannot be turned ON or OFF
while in silent mode.
NOTE
To extend the battery life, the backlight will not light up when the remaining
battery charge indicator is at the lowest level (battery outline only).
NOTE
Alarm sound indicator
SENS.
L
H
SENS.
L
H

- 15 -
4. Error Displays
If an error occurs with the Gas Leak Detector, the error lamps will flash, an error will be
displayed on the LCD, and the buzzer will sound repeatedly. The major errors are
described in the following table. Take the corresponding action given in the table.
Error
Error Display
Cause
Solution
Sensor Error
(Error lamps flash)
There may have been
gas present when the
power was turned ON.
Turn ON the power again in
clean air. If the same error
occurs even after turning ON
the power several times,
there may be a problem with
the sensor. Request repairs.
Pump Error
(Error lamps flash)
Water or liquid may
have been sampled or
the inlet may be
blocked.
Remove the water or liquid.
(Refer to Filter Element
Replacement on page 16.) If
the same error occurs even
after pressing the restart
pump button, the pump may
have failed, or water or liquid
may have been in the Gas
Leak Detector. Request for
repairs.
Battery Alarm
(Error lamps flash)
The battery voltage is
too low to operate.
Replace batteries. (Refer to
Battery Replacement on
page 18.)
Detector Error
(Error lamps flash)
A problem may have
occurred in the Gas
Leak Detector.
Request for repairs.

- 16 -
5. Replacement of Consumable Parts
Filter Element Replacement
When the Filter Element is dirty or wet, or when the water or liquid is inside the Drain
Filter, clean out the Drain Filter and replace the Filter Element.
1) Turn the filter case counterclockwise and
remove it.
2) Remove the O-ring from inside the cap.
3) Replace the Filter Element with a new filter.
4) Attach the O-ring, put the filter case back
together and reassemble.
Do not replace the Filter Element while the Gas Leak Detector is
operating. Dust or other foreign matter may enter the Gas Leak
Detector.
Mount the Filter Element correctly. If the Filter is not in place properly, it
will not function properly and will not be able to detect correctly.
Attach the filter case securely. If the filter case is loose, water or other
foreign matter may leak into the Gas Leak Detector.
If water or liquid reaches inside the Gas Leak Detector through the Filter
Element, it is in need of repair. It will not be able to detect correctly.
CAUTION
Do not push or poke the Filter Element. It may damage the waterproof structure.
NOTE
O-ring
FE-2
Filter Element
Filter Case
Cap
Drain Filter
If water, dust, or other foreign
matter is in the Drain Filter, be
careful not to enter into the Gas
Leak Detector.
CAUTION
Clean the inside of the cap and filter
case with a dry cloth as needed.
Remove water or liquid completely and
dry the parts before replacing with a
new Filter Element.
NOTE
Make sure to attach FE-2 Filter
Element between the cap and the
filter case.
CAUTION

- 17 -
Dust Filter Replacement
FE-106 Dust Filter prevents to enter dust particles and sand into the pump inside the
Gas Leak Detector. Do not remove the Dust Filter.
The Dust Filter will be kept clean in normal use (with DF-114 Drain Filter). However,
the Dust Filter is available for replacement as needed (sold separately).
1) Turn the cap of the Drain Filter counterclockwise
to remove together with the Gas Probe.
2) Remove FE-106 Dust Filter and replace with a
new filter.
3) Attach the Drain Filter and reassemble.
Make sure to attach FE-2 Filter Element in the Drain Filter when using
FE-106 Dust Filter.
It cannot prevent water from entering in the Gas Leak Detector unless
using FE-2 Filter Element.
Do not replace FE-106 Dust Filter while the Gas Leak Detector is
operating.
CAUTION
Gas Probe
Cap
Drain Filter
Remove
Insert
FE-106 Dust Filter

- 18 -
Battery Replacement
When the remaining battery charge indicator changes to , the battery charge is
low.
When the battery voltage drops and reaches to the final voltage, “E-B” (refer to Battery
Alarm on page 15) will be displayed on the LCD and the Gas Leak Detector will not be
working. Replace the batteries.
1) Open the Velcro tape of the soft case and open the side zipper.
2) Open the battery lid of the back of the Gas Leak Detector and install two new
batteries (size AA alkaline) as shown on the bottom of the compartment.
3) Close the battery lid firmly.
4) Zip the right and left of the soft case and close the Velcro tape.
Use two AA alkaline dry cell batteries (LR6). Otherwise, it may affect
the product performance.
WARNING
Use the same kind of batteries.
Always replace two batteries at the same time.
Due to the characteristics of the batteries, the battery life will be shorter
when the surrounding temperature is lower than room temperature.
NOTE
Battery lid
Velcro tape