CO-220 English Instruction Sheet
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®
CO-220
Carbon Monoxide Meter
Instruction Sheet
Introduction
The CO-220 Carbon Monoxide Meter (hereafter referred to as
“the Meter”) detects the presence of carbon monoxide (CO) and
measures concentrations between 1-1000 parts per million
(PPM).
The Meter indicates the presence of carbon monoxide in two
ways:
By a reading on the LCD in PPM.
By a beeper tone.
Contacting Fluke
To contact Fluke, call one of the following telephone numbers:
USA: 1-888-99-FLUKE (1-888-993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-675-200
Japan: +81-3-3434-0181
Singapore: +65-738- 565 5
Anywhere in the world: +1-425-446-5500
Or, visit Fluke's Web site at: www.fluke.com.
PN 690559 (English)
May 1998 Rev.2, 4/04
© 1998-2004 Fluke Corporation. All rights reserved.
All product names are trademarks of th eir r especti ve c omp anies.
CO-220 English Instruction Sheet
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W
Safety Information - Read First
Do not use the Meter as a personal safety monitor.
Learn and recognize the effects of CO poisoning.
0-1 PPM Normal background levels.
9 PPM ASHRAE Standard 62-1989 for livi ng areas.
50 PPM OSHA enclosed space 8-hour average level.*
100 PPM OSHA exposure limi t. *
200 PPM Mild headache, fat i gue, nausea and dizzi ness.
800 PPM Dizziness , nausea and convulsions.
Death within 2 to 3 hours.
* U.S. Department of Labor, Occupat ional Safety & Health
Administ ration (OSHA ) Regul ati on 1917.24:
The CO content in any
enclosed space shall be maintained at not more than 50 PPM
(0.005%). Remov e employees from enclosed space if the CO
concentrati on exc eeds 100 PPM (0.01 %).
What the Meter Does
The Meter indicates the presence of CO by a reading on the LCD
and a beeper tone.
Above 1000 PPM, the LCD reads “OL” to indicate an out of range
condition.
The beeper functions much like clicking of a Geiger counter:
The higher the concentration of CO, the faster the beeper
sounds.
Above 200 PPM, the beeper sounds continuously, while the
frequency of the tone increases with the concentration of CO.
Turning the Meter On
Install the battery. (See “Installing and Replacing the Battery.”)
To turn the Meter on, press the green button.
The Meter beeps twice, then performs a self-test. During the self-
test, the display counts down from “10” to “0”, while the Meter
emits a series of 2 beeps followed by a pause.
If the Meter passes the self-test, the Meter begins monitoring,
which is indicated by a beep every two seconds, and shows a
reading on the display.
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Self-Test
The Meter tests the sensor and the battery each time it is turned
on and continuously monitors the battery. If the battery is low,
M is shown on the LCD.
If battery power is below the level required to power the Meter, or
if the sensor fails, the Meter emits a series of five beeps, followed
by a long pause, and another series of five beeps. The Meter
then turns itself off.
If after replacing the battery, the alarm condition persists, the
sensor may have failed. Contact an authorized Fluke service
center for information on how to replace the sensor.
Establishing a Baseline
Before testing for CO, establish a baseline against which the
Meter compares other environments.
Do this by turning on the Meter. If the Meter detects between
0-3 PPM of CO, the beeper sounds and the Meter establishes a
new baseline.
If the Meter detects more than 3 PPM, it does not establish a new
baseline, but starts taking CO measurements.
Storing Maximum Readings (Max/Hold)
In the Max/Hold mode, the Meter stores the maximum CO level it
has detected.
In this mode, the Meter continuously monitors the level of CO,
which is indicated by the beeper, while displaying only the
highest level detected on the LCD.
To enable or disable the Max/Hold mode, press the MAX button;
the beeper emits two quick tones when the Max/Hold mode is
enabled and disabl ed. When the Max /Hold mode is enabled,
“MAX” is shown on the LCD.
Auto-Back-light
If the ambient light is too low (making the LCD difficult to read),
the LCD back-light automatically turns on. The back-light
automatically turns off when sufficient light is present.
Automatic Power-Off
The Meter automatically turns itself off after 20 minutes.
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Muting the Beeper
To mute the beeper, press the ON/OFF switch for more than 2
seconds when turning the instrument on.
The mute beeper icon is shown on the display.
To re-enable the beeper, turn the Meter off and then turn it back
on.
MAX
MAX
4
15
2
3
8 67
NV001F.EPS
ALCD (Liquid Cryst a l Dis p l ay)
BMax/Hold button
CON/OFF button
DSensor (Fluke PN 689497)
EDigital reading in parts/million (PPM)
FMax/Hold m ode (dis pl ay shows m aximum reading)
GLow battery indic ator
HBeeper turned off
Fluke CO-220 Carbon Monoxide Meter
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Installing and Replacing the Battery
1
2
3
4
5
NV002F.EPS
AScrew
BBattery Door
CBattery, 9 V NEDA or IEC 6LR61, or equivalent
DBattery Connector
ESensor
Common Sources of CO
Common sources of potentially dangerous levels of CO are:
Poorly maintained furnaces, gas heaters, or fireplaces.
Dirty or plugged chimneys, or flue exhausts.
Poorly maintained gas, oil, or kerosene appliances.
Internal combustion engines (e.g., automobiles,
lawnmowers, blowers).
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CO and Appliance Malfunctions
The following table identifies typical problems that can produce
high levels of CO.
Appliance Fuel Typical Problems
Gas furnaces
Room heaters
Oil, natural
gas, or LPG
(liquefied
petroleum
gas)
1. Cracked heat exchanger.
2. Not enough air to burn fuel
properly.
3. Defective/blocked flue.
4. Maladjusted burner.
5. Building not properly press uri zed.
Central heati ng
furnaces Coal or
kerosene 1. Cracked heat exchanger.
2. Not enough air to burn fuel
properly.
3. Defectiv e grate.
Room heaters
Central heaters
Kerosene 1. Improper adjustment.
2. Wrong fuel (not K-1).
3. Wrong wick or wick height.
4. Not enough air to burn fuel.
5. System not properly vented.
Water heaters Natural gas
or LPG 1. Not enough air to burn fuel
properly.
2. Defective/blocked flue.
3. Maladjusted burner.
4. Building not properly press uri zed.
Ranges
Ovens
Natural gas
or LPG 1. Not enough air to burn fuel.
2. Maladjusted burner.
3. Misuse as a room heater.
4. System not properly vented.
Stoves
Fireplaces
Gas, wood,
coal 1. Not enough air to burn fuel
properly.
2. Defective/blocked flue.
3. Green or treated wood.
4. Cracked heat exchanger.
5. Cracked firebox.
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Specifications
Temperature
Operating:
Storage: 0 oC to +50 oC
-30 oC to +50 oC
Humidity (non-condensing)
< 3 weeks
> 3 weeks 0-99 % RH
0-90 % RH
Measurement range 0 to 1000 PPM
Measurement
resolution 1 PPM for 0 - 200 PPM;
5 PPM for 200 - 1000 PPM
Accuracy5 % or ± 2 PPM (whichever is
greater)
Sensor type Stabiliz ed electrochemical
Gas-specific (CO)
Typical sensor life 3 years
Temperature Coefficient Add 0.4 % per °C > 25 °C
Add 0.6 % per °C < 20 °C
Self Test < 20 seconds
Battery 9 V, NEDA 1604A or IEC 6LR61,
or equivalent.
Typical battery life 500 hours
Certification
P
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Calibration or Service
The Meter should be calibrated once a year by an authorized
Fluke service center.
During normal use, the Meter does not require adjustment.
Any required adjustments are made at calibration. To replace the
sensor, contact an authorized Fluke service center.
Warranty
LIMITE D WARRANTY & LIMITAT I ON OF LIABILITY
This Fluke product will be free from defects in materi al and
workmans hi p for one year from the date of purchase. This warranty
does not cover fuses, disposabl e batt eri es or damage from accident,
neglect, mis use or abnorm al conditi ons of operati on or handling.
Resellers are not aut hori zed to extend any other warranty on Fluke’s
behalf. To obtain service during the warranty peri od, s end your
defective tester to the nearest Fluke Authorized Servi ce Center with a
description of t he problem.
THIS WARRA NTY IS YOUR ONLY REM EDY. NO OTHER
WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR
PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE
FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY
CAUSE OR THEORY. Since some stat es or count ri es do not allow t he
exclusi on or limitation of an implied warranty or of incident al or
consequentia l dam ages, t his li mitation of liability may not apply to you.
Fluke Corporation Fluke Europe B.V.
P.O. Box 9090 P.O. Box 1186
Everett , WA. 5602 B.D. Eindhoven
98206-9090 The Netherlands
10/96