OX100
Limiting-current type
Oxygen Analyzer
OX100, OX102
Limiting-current type
Oxygen Analyzer
• One Instrument measures 100 ppm to 25% Oxygen
• Simple "One Touch" Calibration
• Self Diagnostics Assure High Reliability
• "One Touch" Sensor Replacement
• Compact Size
• Accessories to Assure Accuracy
• Dedicated Sampling Unit (Separate from Oxygen Analyzer)
(Removes Dust, Mist and Organic Solvents)
• Calibration Kit
Simple On-Site Calibration
(Using 1 liter Gas Cylinder)
Bulletin 11M10A01-03E
www.yokogawa.com/an/
OX100, OX102
Main applications
Globe box (processing crystal parts)
Globe box (in research lab.)
N
2
reflow furnace / auto soldering
Clean room
Aging machine
Monitoring for deficiency of O
2
Foodstuffs
Usage cautions
Box is to be filled with inert gas
If organic solvents in box, use sampling unit
Use sampling unit if organic solvents present
Use OX102 with Hi/Lo Alarms, or OX100-3 (Lo)
High temperatures, so use metal nipple K9424DB
Use sampling unit if disinfectant is alcohol-based
Use sampling unit, remove alcohol / flux from furnace
Measurement cautions * 1 : Sensor should not be exposed to silicone vapor, silicon gas.
* 2 : Corrosive or flammable gases, halogens, Freon, or organic solvents may adversely affect sensor.
Oxygen
concentration
FAIL lamp
High, Low
Alarm lamps
Fixed-range
4-20 mA / 1-5 V,
Autorange 4-20 mA,
keys
Lit when range
is 1.0 to 25%
between 0 to 1.0% and
0 to 25% other than
0 to 10,000ppm
Lit when range is
0 to 10,000 ppm
Validates
parameter entry
Oxygen
concentration
High alarm or
Low alarm lamp
(depends on specification)
Lit during
alarm setting
Calibration air
flow lamp
Alarm setting key
Mode switching key
Lit during 0 to
1000 ppm calibration
Entry setting key
Lit when range is
0 to 10,000 ppm
not when range is
0 to 25%
Units (% or ppm)
Fail lamp
Sensor holder: 17 mm
(* 1)
dia. or G3/8
Plastic sensor holder
(Specify Option code /J
or L9811LA
(* 3)
)
Sensor plus cable: 5 m (OX100), 5, 10 or 30 m (OX102)
1 : When mount in 17 mm hole in panel, panel thickness can be up to 4 mm. 2 : Within 5 cm of sensor tip, can reach 250°C.
3 : Specify Option code /S, or Model K9424DB, for metal nipple.
Sensor
(* 2)
Low range 0 to 100 ppm
Autoranging in four ranges from 0-100 ppm to 0-25%
High and Low Alarms
Example: N
2
reflow furnace
Alarm
Calibration keys
OX100 and OX102 sensors are not interchangeable
Temperature : 120-130°C
Gas flow : 1m/sec.
Environment : Alcohol / Rosin / Flux,
Oxygen 100 ppm
Compared with oxygen
meter it replaced,
Response was faster, so changes were
quickly detected
Easy maintenance for Sampling unit
(easy replacement of filter, activated carbon)
A
B
OX100 oxygen analyzer
Dew point measurement
A
B
OX102 oxygen analyzer
Installed oxygen analyzer
A
B
A
B
10005000
20mm/hr
200ppm
Air leak
10005000
Spans 1000 ppm to 25%
Autoranging in two ranges, 0-1000 ppm and 0-25%
High Alarm or Low Alarm (depends on specification)
Example: Measuring oxygen
concentration in welding furnace
Temperature : Room temperature,
atmospheric pressure
Gas flow : 30 Nl/min. (N
2
)
Environment : Oxygen about 500 ppm in N
2
Low oxygen concentration in furnace:
safety precautions required
OX100 can detect atmospheric air leakage into
furnace which causes oxygen to rise to 200 ppm,
so can help with welding quality assurance.
Oxygen ppm
Approx. 6 sec.
Fast response
Difference
Solder flux flow start
Oxygen ppm
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