2
3
4 Component Names and Functions
No
Name
Function
①
Power lamp (green)
Flashes during the warm up period after the power is turned
ON and remains lit during operation.
②
Trouble lamp (yellow)
Flashes when an error occurs.
③
Alarm lamp (red)
Flashes when the detected gas concentration reaches the
alarm point.
④
LCD display
Indicates gas concentration and other information.
⑤
Key switch cover
Lightly pull the cover toward you to open it and access the key
switches.
⑥
Buzzer speaker
⑦
Gas inlet
Sampled gas aspiration inlet. (6 dia.) Attaches to the gas inlet
tube.
⑧
Gas outlet
Exhaust outlet for sampled gas (6 dia.)
⑨
Adapter connector
Connects to the 100-VAC/6-VDC adapter plug.
⑩
Battery cover
Lift the snap lock and open the cover to insert batteries.
⑪
Sensor cover
Lift the snap lock and open the cover to insert the sensor unit.
⑫
Sensor window
Used to check the sensor unit that is installed.
⑬
LED (red)
(Battery check)
Lit if the key switch cover is open with the Gas Detector turned
OFF, when batteries are inserted, or when batteries are low.
Main Unit
③
②
①
④ ⑤ ⑥
⑪
⑫
⑩
⑨
⑦
⑧
⑬
2
3
● Observe the following precautions for the storage environment and method
of storing the Gas Detector.
WARNING
：
Do not store the Gas Detector for long periods in locations with high temperatures or
high humidity. Otherwise, the performance of the Detector may be impaired.
CAUTION
：
Do not subject the Gas Detector to sudden changes in temperature or humidity.
Otherwise, the performance of the Detector may be impaired.
CAUTION
：
If the Gas Detector is not to be used for a long time, remove the batteries before
storing it.
2 Contents of This Package
The following components are included with the Gas Detector. Ensure that all components are
present before attempting to use the Detector.
□
Gas Detector …………………………… 1
□
Filters …………………………………… 2
□
Shoulder strap ………………………… 1
□
AA alkaline batteries…………………… 4
□
Gas inlet tube…………………………… 1
□
Inspection results……………………… 1
□
Instruction manual……………………… 1
3 Sensor Units
Model
Detected gases
FS
Alarm setting
1st level
2nd level
XDS-7NH
NH
3
Ammonia
100 ppm
12 ppm
25 ppm
XDS-7SH
SiH
4
Silane
25 ppm
2.5 ppm
5 ppm
XDS-7DC
SiH
2
Cl
2
Dichlorosilane
25 ppm
2.5 ppm
5 ppm
XDS-7AH
AsH
3
Arsine
250 ppb
25 ppb
50 ppb
XDS-7PH
PH
3
Phosphine
1 ppm
0.15 ppm
0.3 ppm
XDS-7BH
B
2
H
6
Diborane
500 ppb
50 ppb
100 ppb
XDS-7SE
H
2
Se
Hydrogen selenide
250 ppb
25 ppb
50 ppb
XDS7GH
GeH
4
Germane
1 ppm
0.1 ppm
0.2 ppm
XDS-7CL
Cl
2
Chlorine
5 ppm
0.25 ppm
0.5 ppm
XDS-7CF
ClF
3
Chlorine trifluoride
1 ppm
0.05 ppm
0.1 ppm
XDS-7HC
HCl
Hydrogen chloride
25 ppm
2.5 ppm
5 ppm
XDS-7HF
HF
Hydrogen fluoride
10 ppm
1.5 ppm
3 ppm
XDS-7HB
HBr
Hydrogen bromide
10 ppm
1.5 ppm
3 ppm
XDS-7NO
NO
Nitrogen monoxide
100 ppm
12 ppm
25 ppm
XDS-7HS
H
2
S
Hydrogen sulfide
50 ppm
5 ppm
10 ppm
XDS-7CO
CO
Carbon monoxide
250 ppm
12.5 ppm
25 ppm
XDS-7DS
Si
2
H
6
Disilane
25 ppm
2.5 ppm
5 ppm
XDS-7F2
F
2
Fluorine
5 ppm
0.5 ppm
1 ppm
XDS-7OZ
O
3
Ozone
1 ppm
0.05 ppm
0.1 ppm
Contact an authorized representative of New Cosmos regarding other detectable gases not listed in the
table.
