COMBUSTIBLE GAS DETECTORCOMBUSTIBLE GAS DETECTOR
COMBUSTIBLE GAS DETECTORCOMBUSTIBLE GAS DETECTOR
COMBUSTIBLE GAS DETECTOR
WITH GOOSENECKWITH GOOSENECK
WITH GOOSENECKWITH GOOSENECK
WITH GOOSENECK
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
Copyright
©
2005 by Harbor Freight Tools
®
. All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353
93005
IMPORTANT
Performance of this tool may
vary depending on variations
in battery power or other cir-
cumstances.
Harbor Freight Tools can-
not be held responsible for
any damage, injury, fire, or
death caused by an inac-
curate reading or a failure
to detect on the part of this
device.
SKU 93005 For technical questions, please call 1-800-444-3353 Page 2
Specifications
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Save This Manual
You will need the manual for the safety warnings and precautions, assembly
instructions, operating and maintenance procedures, parts list and diagram. Keep
your invoice with this manual. Write the invoice number on the inside of the front
cover. Keep the manual and invoice in a safe and dry place for future reference.
Safety Warnings and Precautions
WARNING: When using tool, basic safety precautions should always be fol-
lowed to reduce the risk of personal injury and damage to equipment.
Read all instructions before using this tool!
1. Keep work area clean. Cluttered areas invite injuries.
2. Observe work area conditions. Do not use machines or power tools in damp or
wet locations. Don’t expose to rain. Keep work area well lighted. Do not use
electrically powered tools in the presence of flammable gases or liquids.
3. Keep children away. Children must never be allowed in the work area. Do not
let them handle machines, tools, or extension cords.
4. Store idle equipment. When not in use, tools must be stored in a dry location
to inhibit rust. Always lock up tools and keep out of reach of children.
5. Use the right tool for the job. There are certain applications for which this tool
was designed. It will do the job better and more safely at the rate for which it was
SKU 93005 For technical questions, please call 1-800-444-3353 Page 3
Gas Detector Safety Precautions
1. Never ignore a high alarm condition. This gas detector is designed to detect
hazardous atmospheric conditions. An indication of life threatening hazards should
be taken seriously.
2. Turn on, and allow the unit to warm up, BEFORE entering the area when gases
are to be detected.
3. High or off-scale readings may indicate a flammable gas concentration.
4. Before entering an area for testing, make a test of the unit in a safe area with a
small amount of known gas from a container. Then test again with clean air. The
reading should return to zeros.
5. Where a high or alarm condition is detected, evacuate the affected area and
contact the local fire department, gas company, or other proper authorities from
outside the affected area. Without switching on any electrical devices, properly
ventilate the area before reentering and retest.
6. Do not store or use this device in or around corrosive gases.
7. Do not drop this device. Damage will occur to the internal components.
8. Charge batteries and switch unit on or off only in a nonhazardous atmo-
spheric location.
9. Some vapor compounds may affect the operation of the sensor. Always use
your sense of smell to supplement the readings of the meter. If your sense
of smell detects gas that the meter does not, get the meter calibrated im-
intended. Do not modify this tool and do not use this tool for a purpose for which
it was not intended.
6. Check for damaged parts. Before using any tool, any part that appears damaged
should be carefully checked to determine that it will operate properly and perform
its intended function. Any part that is damaged should be properly repaired or
replaced by a qualified technician. Do not use the tool if any switch does not turn
On and Off properly.
7. Replacement parts and accessories. When servicing, use only identical
replacement parts. Use of any other parts will void the warranty. Only use
accessories intended for use with this tool. Approved accessories are available
from Harbor Freight Tools.
8. Do not operate tool if under the influence of alcohol or drugs. Read warning
labels if taking prescription medicine to determine if your judgment or reflexes
are impaired while taking drugs. If there is any doubt, do not operate the tool.
9. Maintenance. For your safety, service and maintenance should be performed
regularly by a qualified technician.
IMPORTANT: Performance of this tool may vary depending on variations in battery
power or other circumstances. Harbor Freight Tools cannot be held
responsible for any damage, injury, fire, or death caused by an inaccurate
reading or a failure to detect on the part of this device.
SKU 93005 For technical questions, please call 1-800-444-3353 Page 4
Unpacking
When unpacking, check to make sure the following parts are included. If any parts
are missing or broken, please call Harbor Freight Tools at the number on the cover
of this manual.
Operation
Controls and Indicators
Gas Detector
Power Adapter to
Charge Batteries
Charger Adapter
Connector
Earphone Connector
(Earphone not supplied)
On / Off Switch
Sensitivity Adjust
Gas Sensor
mediately. Calibration of the gas detector may be necessary by a qualified
technician. If the sensor fails calibration, have the sensor replaced by a quali-
fied technician. Never use any source of ignition to test the accuracy of this
device.
Warning: The warnings, cautions, and instructions discussed in this instruction
manual cannot cover all possible conditions and situations that may occur. It
must be understood by the operator that common sense and caution are fac-
tors which cannot be built into this product, but must be supplied by the opera-
tor.
SKU 93005 For technical questions, please call 1-800-444-3353 Page 5
Gas Detection
1. Charge batteries. Plug the Power Adapter cord plug into the Charger Adapter
Connector on the side of the unit. Then, plug the Power Adapter into a 110 VAC
electrical outlet. Allow batteries to charge for 8 hours before using the Gas
Detector.
2. Warm-up Gas Detector. Slide the On/Off Switch to the On position and wait for
at least 10 seconds.
During this time, All Detection LEDs will first light green, then yellow, and finally
red.
3. In an area with clean air, slowly adjust the Sensitivity Adjust Knob so as to light
the lower LED only.
4. Perform a sample test. In a safe area, place the unit no closer than four inches
from a known combustible gas (i.e., cigarette lighter gas) and check the display
for a high reading. Then move the unit where the air is clear. The reading should
go to low again.
5. Adjust direction and place the Gooseneck Gas Sensor in the room where the
atmosphere is to be tested.
Note: Gases that are heavier than air, such as propane, can be detected nearer the
floor.
The bar graph readout will show the gas concentration present in % of LEL
(lower explosive levels) and PPM (parts per million), as shown above.
Detection LEDs
Red - High Levels
100% LEL
High Freq. Sound
Yellow - Medium Levels
10% LEL
Medium Freq. Sound
Green - Low Levels 500 PPM
Low Freq. Sound
Sensitivity
Adjust
Power On LED
Sensor Fault LED
Low Battery LED
SKU 93005 For technical questions, please call 1-800-444-3353 Page 6
If the gas concentration reaches or exceeds the preset Low Limit Warning point
(500 PPM), the sound alarm will emit a tone, and the green LED will turn on.
If the gas concentration reaches or exceeds the preset Medium Limit Warning
point (10% LEL), the sound alarm will emit a higher tone, and the yellow LEDs
will turn on.
If the gas concentration reaches or exceeds the preset High Limit Warning, the
sound alarm will emit an emergency tone, and the red LEDs will turn on.
Warning: When the High Limit Warning alarm is displayed (all red LEDs), leave
the room immediately. Properly ventilate the area before reentering.
6. After leaving the test area, slide the On/Off Switch to the Off position.
Maintenance
1. Recharge batteries when the LOW BAT LED lights. Charge monthly, whether
the unit is used or not. If after recharging the batteries, the LOW BAT LED is
still displayed, replace the batteries with new ones of the same type. Refer to
the Specifications.
2. If the unit is not functioning, repeat the Gas Detection procedures as
described on page 5.
3. If the unit is still not detecting properly, have a qualified technician calibrate
the unit, or have the technician replace the sensor with the extra supplied
sensor.
4. Do not expose the unit to high concentrations of gas for long periods. This will
shorten the life of the sensor.
5. Do not store or use the Gas Detector in an area when corrosive gases are
present.
Extra Gas Sensor
Sensor Gooseneck
Sensor Installed
Batteries
Battery Cover
NOTE: NO REPLACEMENT PARTS ARE AVAILABLE FOR THIS PRODUCT.
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