CD100A
INSTRUCTION MANUAL
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International Symbols
Operating Instructions
1. Turn the instrument on by rotating the thumwheel downward in a
non-contaminated environment (fresh air).
2. The green power LED will be illuminated when the unit is
turned on. If the battery level is low, the red LED will be steady
and the tic will not be adjustable. The battery will need replacing.
3. Adjust to slow uniform tic rate with the use of the thumbwheel
(approximately two tics per second). This sets the instrument
to the background level. Start your testing by setting the
instrument in fresh air. The red LED indicator will flash in
correspondence with the tic rate. Allow about 10 seconds for
the sensor to stabilize indicated by a steady tic rate. (It may
require up to two minutes to stabilize).
4. The unit responds to gas with a variable audible tic sound.
The audible tic increases in volume when exposed to gases
with 50 parts per million or more. When gas is detected, the tic
rate will increase, rotate the thumbwheel back to the steady tic,
resetting the instrument to this new background level. Move the
instrument into higher concentrations of gas (indicated by
increase tic rate) until the leak is found.
5. The "Tip-Light" is used to see around the area of the leak in
a dark environment.
6. When this instrument is used in noisy environments, look
at the red LED, which flashes more rapidly as the tic rate
increases. The optional earphone can be plugged into the
side of the unit, if there is high background noise or the
operator does not want to disturb other people. This also
disables the speaker.
7. If the tic rate becomes uncontrollable, it may be necessary
to change the sensor.
8. The detector will respond to some leak finding solution (soap),
so use your detector first. If over exposed to some gases, the
detector may take an extended period of time
to return to normal.
Introduction
The CD100A Combustible Gas Leak Detector is capable of sensing many
combustible, non combustible and toxic gases that include but are not
limited to the following:
Acetone Industrial Solvents
Alcohol Jet Fuel
Ammonia Lacquer Thinners
Benzene Methane
Butane Naphtha
Ethylene Oxide Natural Gas
Gasoline-Petrol Propane
Halon Refrigerants
Hydrogen Sulfide Toluene
NOTE: This leak detector is factory calibrated for methane in air.
WARNING!
This unit should not be used for detection of Carbon Monoxide.
Features include
• Fully adjustable steady tic rate accelerates as the sensor tip
approaches a leak (the adjustment knob is located on the side
of the unit)
• "Tip-Light" in sensor cover used to see around the are of leak
in a dark environment
• Long 18" flexible gooseneck
• Audible and visual leak indicator
• Low battery indicator and separate battery compartment for
easy replacement
• Power On light
• Solid state semiconductor sensor provides instantaneous
detection
• Sensor cover to protect sensor
• Ruggedized protective rubber boot
• Socket for optional earphone
• One year limited warranty
Safety Tips
Before using this detector, read all safety information carefully. In
this manual the word "WARNING" is used to indicate conditions
or actions that may pose physical hazards to the user. The word
"CAUTION" is used to indicate conditions or actions that may
damage this instrument.
WARNING!
Charging or discharging batteries may give off an explosive
gas. Keep away from open flame and sources of ignition from
the battery at all times.
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Replacement Part s
Battery AB10
Replacement Sensor RS1000
Replacement Sensor Cap RS1010
Optional Accessories
Headset Earphones HE1000
Hard Carrying Case AC501
E l e c t r omagnetic Compatibility
The European Council Directive 89/366/EEC requires that electronic
equipment does not generate electromagnetic disturbances that exceed
defined levels and has an adequate level of immunity to enable it to be
operated as intended. The specific standards applicable to this product
are detailed in the appendices.
Since there are many electrical products in use that pre-date
this Directive and may emit electromagnetic radiation in excess
of the standards defined in the Directive, it may be appropriate
to check the analyzer prior to use. The following procedure should
be adopted:
1. Go through the normal start sequence in the location where
the equipment is to be used.
2. Switch on all localized electrical equipment that might
cause interference.
3. Check that all readings are as expected. (Generally, a low
disturbance is acceptable.) If not, adjust the position of
the instrument to minimize interference or switch off the
offending equipment during the test. There has been no
awareness of any field based situation where such interference
has ever occurred since the writing of this manual (April
1998). This advice is only given to satisfy the requirements of
the Directive.
This product has been tested for compliance with the following generic
standards, and it is certified to be compliant.
EN 50081-1
EN 50082-1
Specifications EC/EMC/K1/CD100A details the specific test
configuration, performance and conditions of use.
B a t t e r y Replacement
1. Turn off the power and remove the battery case cover.
2. Remove and dispose of old 9V alkaline battery promptly in
a manner consistent with disposal regulations. Always use
a 9V alkaline battery. Ensure the polarity of the battery matches
that shown in the compartment.
3. Replace the battery case cover.
Sensor Filter and Sensor Replacement
The sensor is housed at the tip of the gooseneck assembly, and
has a life of more than three years.
To remove the sensor:
1. Turn the unit off.
2. Pull off the top half of the sensor housing. (Pushing to
one side aids removal)
3. With care, move the "Tip-Light" LED to one side to gain
access to the sensor (small silver can).
4. Unplug the sensor and replace it with a new one.
NOTE: The sensor can be fitted in either one of two ways without
affecting instrument operation.
5. Realign the LED, ensuring it sits above the sensor.
6. Replace the sensor cover, by pushing it firmly in place.
Note the locating pin between the body and sensor cap.
S p e c i f i c a t i o n s
Protection against electric shock in accordance with
EN 61010-1: 1993
This instrument is designated as Class III, SELV.
Power supply:
Sensor:
Sensitivity:
Indicators:
Warm-up:
Response Time:
Duty Cycle:
Battery Life:
Dimensions:
Weight:
Probe Length:
O p e r a t i v e :
1 x 9V battery
Solid state semi conductor
< 50 ppm methane
Audible: Adjustable tic rate
Visual: Flashing LED
10 seconds
Instantaneous
Continuous
5 hrs. typical use
8" (H) x 4" (W) x 1/2" (D)
205mm x 100mm x 36mm
15oz. / 400mm
0 - 50˚C / +32 - 122˚F
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Limited Warranty
The CD100A is warranted to be free from defects in materials and workmanship for a period
of one year from the date of purchase. If within the warra n ty period your instrument should
become inoperative from such defects, the unit will be repaired or replaced at UEi’s option.
This warra n ty covers normal use and does not cover damage which occurs in shipment or
failure which results from alteration, tampering, accident, misuse, abuse, neglect or improper
maintenance. Batteries and consequential damage resulting from failed batteries are not
covered by warra n ty.
Any implied warranties, including but not limited to implied warranties of merchantability
and fitness for a particular purpose, are limited to the express warranty. UEi shall not be
liable for loss of use of the instrument or other incidental or consequential damages,
expenses, or economic loss, or for any claim or claims for such damage, expenses or
economic loss. A purchase receipt or other proo
f of original purchase date will be required
before warra n ty repairs will be rendered. Instruments out of warra n ty will be repaired
(when repairable) for a service charge. Return the unit postage paid and insured to:
This warranty gives you specific legal rights. You may also have other rights which vary from
state to state.
CD100A
Combustible Gas Leak Detector
Copyright © 2007 UEi CD100A-MAN 1/07
PLEASE
RECYCLE
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