Armstrong Monitoring Corporation AMC-CD2 User manual

AMC-CD2
Portable Carbon Dioxide
Detection System
Human Occupancy Detector
INST UCTION MANUAL
IMPO TANT:
Please read these instructions completely and carefully before
starting.
filename: Manual_amc-CD2-2_2012_std.doc
Revised, 04/2012
Copyright ©, May 2002, AMC
The Armstrong Monitoring Corporation
215 Colonnade Road South, Ottawa, Ontario, Canada K2E 7K3
Toll Free U.S. & CANADA : [phone] • Tel : [phone] • Fax : [phone]
E-mail: [e-mail] • Internet: www.armstrongmonitoring.com

AMC-CD2 Portable CO2 Detector
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TABLE OF CONTENTS
1WARRANTY............................................................................................................. 2
1.1 LIABILITY .................................................................................................................... 2
1.2 PRODUCT RETURN ................................................................................................... 2
1.3 MODIFICATIONS AND SUBSTITUTIONS................................................................... 2
2PRODUCT INFORMATION...................................................................................... 3
2.1 DETECTOR................................................................................................................. 3
2.2 ACCESSORIES........................................................................................................... 3
2.3 SAMPLING NEEDLES................................................................................................. 3
3PRODUCT DESCRIPTION ...................................................................................... 4
3.1 GENERAL DESCRIPTION .......................................................................................... 4
3.1.1 BASIC REQUIREMENTS ..................................................................................... 4
3.1.2 SENSOR DETAILS............................................................................................... 4
4OPERATION ............................................................................................................ 7
4.1 TURNING ON AND STABILIZING THE MONITOR ..................................................... 7
4.2 TAKING AN AIR SAMPLE ........................................................................................... 7
4.3 CHARGING THE MONITOR........................................................................................ 7
5PREVENTIVE MAINTENANCE................................................................................ 9
5.1 GENERAL ................................................................................................................... 9
5.2 VERIFICATION OF OPERATION ................................................................................ 9
5.3 USER MAINTENANCE................................................................................................ 9

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1WA ANTY
This Armstrong equipment is warranted against defects in material and workmanship from the
date of shipment from factory. Please check equipment specifications following this page for
particular warranty periods. Maintenance items are not warranted. During the warranty period,
The Armstrong Monitoring Corporation will repair or replace components that prove to be
defective in the opinion of AMC. Any equipment deemed to be defective by the user should be
returned to The Armstrong Monitoring Corporation for evaluation (see product return below).
Site visits by Armstrong personnel, to evaluate / repair equipment, are not covered by
this warranty. AMC is not liable for auxiliary interfaced equipment, nor for consequential
damage. This warranty shall not apply to any product, which has been modified in any way,
which has been repaired by any other party other than a qualified technician or authorized AMC
representative, or when failure is due to misuse or conditions of use.
1.1 LIABILITY
All AMC products must be installed and maintained according to instructions. Only qualified
personnel should install and maintain the equipment.
AMC shall have no liability arising from auxiliary interfaced equipment, for consequential
damage, or the installation and operation of this equipment. AMC shall have no liability for
labour or freight costs, or any other costs or charges in excess of the amount of the invoice for
the products.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED,
AND SPECIFICALLY THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. THERE ARE NO WARRANTIES THAT EXTEND BEYOND THE
DESCRIPTION ON THE FACE THEREOF.
1.2 PRODUCT RETURN
All products returned for warranty or service should be shipped by prepaid freight and will be
accepted only with a repair number issued by AMC. All products returned to the client will be
shipped by freight collect.
1.3 MODIFICATIONS AND SUBSTITUTIONS
Due to an ongoing development program, AMC reserves the right to substitute components and
change specifications at any time without incurring any obligations.

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2P ODUCT INFO MATION
2.1 DETECTOR
Detector Serial Number…………………………………………
Weight …………………………………………………………… 1.6 kg (3.5 lbs)
Dimensions….…………………………………………………... 7.5 x 5.5 x 2.75 in.
( 19 x 14 x 7 cm )
Material…………………………………………………………... Impact resistant ABS
Display Types………………………………………………….... Digital LED or LCD
Power Supply………..………………………………………….. Built-in rechargeable battery pack
Battery Life…………..……..……………………………………. LED Display: 6 hrs
LCD Display: 12 hrs
Recharge Time…………....……………………………………. <16 hrs
Sampling Rate……..……..…………………………………….. 500 ml/min nominal
Measurement Range..……..…………………………………… 0 to 5000 ppm
Warranty…………………………………………………………. 2 years
2.2 ACCESSORIES
AMC-CD2-01…………………………………………. Probe assembly complete with handle, filter,
hose, lexan wand (6” or 12”) and tip adapter
AMC-126……………………………………………… Replacement filter
AMC-CD2-03………………………...………………. Leather carry case
AMC-804R……………………………………………. Sample hose (by the meter)
AMC-CD2-07………………………...………………. Shoulder strap (optional)
AMC-CD2-08………………………...………………. Chest pack harness
AMC-CD2-09…………..…………………………….. AC Charger
2.3 SAMPLING NEEDLES
AMC-12E3…………………………………….…...…. 12 Gauge, 3.0”, End Sampling
AMC-12S3.5…………………………………………. 12 Gauge, 3.5”, Side Sampling
AMC-14E3..………………………………….……….. 14 Gauge, 3.0”, End Sampling
AMC-16E2………………….………………….…..…. 16 Gauge, 2.0”, End Sampling
AMC-18E3…………………..…………………..……. 18 Gauge, 3.0”, End Sampling
AMC-18E4………………...………………………….. 18 Gauge, 4.0”, End Sampling

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3P ODUCT DESC IPTION
3.1 GENERAL DESCRIPTION
The AMC-CD2 portable gas detector is designed to provide surveillance of air for concentrations
of carbon dioxide gas. Its integral display gives a direct readout in ppm CO2. This model and its
sampling hardware were specifically designed to detect CO2 exhaled by humans concealed in
confined areas thereby permitting their rescue.
The AMC-CD2 unit can be used hand held or worn using the clip, shoulder strap or chest
harness. The sampling wand ( 6” or 12” ) is used to probe areas for elevated levels of carbon
dioxide. The system comes complete with the features shown in Figures 3.1.2.1 and 3.1.2.2.
3.1.1 BASIC REQUIREMENTS
OPERATING TEMPERATURE: 0ºC to 50 ºC
32ºF to 122ºF
OPERATING PRESSURE: Ambient atmospheric pressure.
HUMIDITY: 0 to 95% RH, non-condensing.
3.1.2 SENSOR DETAILS
SENSOR TYPE: N.D.I.R.
ACCURACY: +/- 5% of reading +/-30ppm
REPEATABILITY: +/- 1% of reading +/-20ppm
EXPECTED SENSOR LIFE: 5 years
WARM-UP TIME: < 30 seconds

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3.1.2.1 FIGURE: AMC-CD2 portable CO2 detector.

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3.1.2.2 FIGURE: Basic portable gas detection system.

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4OPE ATION
4.1 TURNING ON AND STABILIZING THE MONITOR
Turn on the unit with the power switch, as shown in Figure 3.1.2.1. The display will activate. The
sensor requires approximately 30 seconds to stabilize. The internal pump will turn on
immediately and run continuously.
Operating time with fully recharged batteries is approximately twelve (12) hours for the unit with
the LCD display and six (6) hours for the unit with the LED display. Power can be turned off to
conserve battery life.
4.2 TAKING AN AIR SAMPLE
The internal pump continuously draws air into the sensor chamber. To use the unit as a
concealed human occupant detector connect the sampling hose to the quick connect fitting (see
Figure 4.3.1.1) and use the wand fitted with the appropriate tip to obtain a sample. Ambient
atmospheric CO2 is within the range of 300 to 400 ppm but may range as high as 650 ppm
under certain environmental conditions. Any enclosed space with respiring humans will give an
elevated reading.
Warning:
Do NOT immerse the sampling wand in any liquid as it will damage the pump
mechanism. Turn the power off immediately if a liquid appears inside the
filter.
4.3 CHARGING THE MONITOR
The AMC-CD2 is powered with a sealed lead acid battery. The unit may be recharged at the
end of each operating session. The AC recharger / adapter plugs into the jack on the side panel
of the detector. ( see Figure 3.1.2.1 )
Full recharge is reached in approximately 12 to 16 hours maximum with the unit powered OFF.
The battery will increase to its full capacity after 25 charge / discharge cycles.
It is possible to power the unit directly from the AC recharger / adapter. The batteries will not be
charging while the unit is switched ON.

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4.3.1.1 FIGURE: Sampling accessories.

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5P EVENTIVE MAINTENANCE
5.1 GENERAL
The enclosure should be brushed or wiped clean once a year or more, depending on the
accumulation rate of dust or dirt.
To avoid sensor damage, the unit MUST NOT be submerged in any liquids. Hosing or splashing
the unit with any liquids must also be avoided.
5.2 VERIFICATION OF OPERATION
The operation and response of the CD2 may be verified by exhaling near the sample inlet. The
display should show an elevated reading. This test should be performed as required to confirm
the CO2 sensitivity.
5.3 USER MAINTENANCE
The inline transparent filter should be replaced when the sample flow is impeded or when the
filter element appears dirty. The replacement filter part number is AMC-126. The sample hose is
durable, kink resistant and is of a self- resealing natural latex. To obtain a replacement hose,
order part number AMC-804R and specify the required length.
A variety of sample tips are available. Please refer to Section 2.3 Sampling Needles for the list
of tip sizes, types and part numbers.

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CD2 analog output
(addendum to CD2 User Manual)
An analog output for recorder provides a 0.1V to 2.5 V DC signal, proportional to 0-5000
ppm CO2. Connect a recording device with an input impedance > 100 kohm, using a
supplied connector (red wire +, black wire -).