PERSONAL
FOUR GAS MONITOR
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GX-2009
Model
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Features
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· Simultaneous
detection of 4 gases
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LEL, O2, H2S & CO
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· Smallest/
Lightest 4 gas monitor on the market
2.7 H x 3 W x 1 D, 4.6 oz.
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· Dual audible alarm
ports (95 db @ 30 cm)
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· 3 visual alarm LEDs
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· Vibration
alarm
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· IP-67
Water resistant/ dustproof design
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· Calibration and
bump test lock out or reminder controls
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· Large capacity
data logging standard
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8 alarm trends
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Log time range of 10 to 300 hours
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100
calibration records stored
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· 20
hours of operation (NiMH batteries)
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· Large
LCD display screen
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· Automatic
backlighting at alarm
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· Impact resistant
rubber over-mold body
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· STEL
and TWA readouts
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· Intrinsically
safe, CSA, C/US classified
IECEx/ ATEX approved
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Applications
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· Personal
monitoring
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· Oil and Gas
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· Confined spaces
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· Water/ wastewater
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· Refineries/
petrochemical
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· Fire services
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· Utilities
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· Construction
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Specifications
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Gas
Detected
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Combustible Gases
(Methane as
standard)
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Oxygen (O2)
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Hydrogen Sulfide (H2S)
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Carbon Monoxide (CO)
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Detection
Principle
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Catalytic
combustion
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Galvanic cell
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Electrochemical
cell
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Detection
Range (Increments)
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0~100% LEL (1%
LEL)
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0~40.0% Vol.
(0.1% Vol.)
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0~100.0 ppm (0.5 ppm)
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0~500 ppm (1 ppm)
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Accuracy
Statement
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+/-5% of reading
or
+/-2% LEL
(whichever is greater)
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+/-0.5% O2
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+/-5% of reading
or +/-2 ppm
H2S
(whichever is greater)
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+/-5% of reading
or +/-5 ppm CO (whichever is greater)
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Sampling
Method
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Diffusion sampling
standard/ hand aspirator or motorized pump optional
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Display
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Digital LCD
displays all four gases simultaneously, with auto backlight
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Preset
Alarms
(User
Adjustable)
Overscale alarm
(Non-adjustable)
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1 st alarm
10% LEL
2 nd alarm 50% LEL
Over alarm 100% LEL
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Low alarm 19.5%
High alarm 23.5%
Over alarm 40.0%
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1 st alarm 5 ppm
2 nd alarm 30 ppm
TWA alarm 1 ppm
STEL alarm 5 ppm
Over alarm 100 ppm
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1 st alarm 25 ppm
2 nd
alarm 50 ppm
TWA alarm 25 ppm
STEL alarm 200 ppm
Over alarm 500 ppm
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Types
of Alarms
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Gas Alarm: 2
Increasing alarms, STEL, TWA, overscale alarm. O2
decreasing/ increasing.
Trouble Alarm: Sensor disconnection, low
battery, circuit error, calibration range error
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Display
of Alarm
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Gas Alarm: Flashing
LEDs, intermittent buzzer (95 db @ 30 cm), flashing gas value, vibration
Trouble Alarm: Flashing LEDs, intermittent
buzzer (95 db @ 30 cm), display of error message
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Operating
Temp. & Humidity
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-4๐F to 122๐F (-20๐C ~ +50๐C), 0 to 95%
RH, non-condensing (splash resistant)
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Response
Time
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Within 30 seconds
(T90)
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Continuous
Operation
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20 hours after a 3
hour full charge (14 hours after 90 min charge)
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Power
Source
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Direct charging NiMH batteries, set of 2
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Safety
Design/ Approvals
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IECEx zone 0 Ex ia IIC T4; ATEX II 1G Ex ia IIC
T4;
C CSA us classified, as
intrinsically safe. Class I, Division 1, Groups A, B, C, D
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Dimensions
& Weight
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2.7 H X 3 W x 1
D (Approx. 70 H x 75 W x 25 D mm), 4.6 ounces (approx. 130 g)
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Case
Material
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High impact over
molded rubber. Dust and water resistant with IP-67 approval.
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Controls
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Two glow in the
dark buttons: POWER/ MODE, AIR
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Datalogging
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Standard with all
instruments. Stores 8 alarm trend sessions where readings are recorded 30
minutes
before and after an
alarm event. 3,600 data point capacity with a log
time range of 10 to 300 hours
(based on programmable interval times); and stores up to
100 calibration records.
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