Carbon Monoxide Meter Instruction Sheet
Introduction
The Carbon Monoxide 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:
1) By a reading on the LCD in PPM. 2) By a beeper tone
Safety Information - Read First
1) Do not use the Meter as a personal safety monitor.
2) Learn and recognize the effects of CO poisoning.
0-1 PPM
9 PPM
50 PPM
100 PPM
200 PPM
800 PPM
Normal background levels.
ASHREA Stasndard 62-1989 for living areas.
OSHA enclosed space 8-hour average level. *
OSHA exposer limit. *
Mild headache, fatigue, nausea, dizziness.
Dizzeness, nausea, and convulsions. Death within 2-3 hours.
CO1000
*U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) Regulation
1917.24: The CO content in any enclosed space shall be maintained at not more than 50 PPM
(0.005%). Remove employees from enclosed space if the CO concentration exceeds 100 PPM (0.01%)
1
Instrument Familiarization
1. CO Sensor
2. LCD Display
3. MAX Hold Button
4. Data HOLD Button
5. Back-Light Button
6. ON/OFF Power Button
7. Battery Door
Sealed Unit Parts Co., Inc.
2230 Landmark Place
Allenwood NJ. 08720
2
3
4
6
CO
MAX
HOLD
ON/OFF
CO1000
CARBON
MONOXIDE
METER
5
!
WARNING
THIS IS NOT A
PERSONAL
SAFETY DEVICE.
+-
9V BATTERY
NEDA 1604 IEC 6F22
7
FRONT BACK
DATA HOLD
1) Press the “HOLD” button to freeze the reading on the display.
2) Press the “HOLD” button again to return to normal operation.
MAX HOLD
reading will not change as readings change, rather it will only display the highest reading
encountered since the “MAX” button was pressed. Press “MAX” again to return to normal
operation.
POWER BUTTON
BATTERY REPLACEMENT -
cover and replace with one 9V battery. Close battery cover when finished replacing battery.
Reset Meter
Press and hold the display back-light for 8 seconds. The LCD will show
“00000000” then “---------” indicating that the meter is reset.
- This function allows the meter to “freeze” a measurement for later reference.
- Press the “MAX” button to hold the highest reading on the display. The meter
- Press “POWER” button to turn on the meter. Press again to turn off.
When battery power is low, LCD will display . Open battery
+-
What the Meter Does
The Meter indicates the presence of CO by a reading on the LCD and a beeper tone.
1) Above 200 PPM, the beeper sounds continuously with the concentration of CO.
2) From 35 to 200 PPM, the beeper sounds discontinuously with the concentration of CO.
Specifications
Operating Temp.
Storage Temp.
Operating Humidity
Measurement Range
Measurement Resolution
Accuracy
Warm up Period
Battery
Auto Power Off
Sensor Type
Typical Sensor Life
Common Sources of CO
Common sources of potentially dangerous levels of CO are:
1. Poorly maintaned furnaces, gas heaters, or fireplaces.
2. Dirty or plugged chimneys, or flue exhausts.
3. Poorly maintained gas, oil, or kerosene appliances.
4. Internal combustion engines (e.g., automobiles, lawnmowers, blowers).
CO Appliance Malfunction
Appliance
0°C to +50°C
-30°C to +60°C
0-99% Relative humidity (non-condensing)
0 to 1000 PPM
1 PPM
±5% or ± 10 PPM
<2 seconds
9V, NEDA 1640A or IEC 6LR61, or equivalent.
Meter automatically shuts down after 15 minutes or inactivity.
Stabilized electrochemical Gas-specific (CO)
3 years
Fuel
Typical Problems
1. Cracked heat exchanger.
Gas furnaces
Room heaters
Oil, natural gas, or LPG
(Liquified petroleum gas)
2. Not enough air to burn fuel properly.
3. Defective / Blocked flue.
4. Maladjusted burner.
5. Building not properly pressurized.
Central heating
furnaces
Coal or kerosene
1. Cracked heat exchanger.
2. Not enough air to burn fuel properly.
3. Defective grate.
1. Improper adjustment.
Room heaters
Central heaters
Kerosene
2. Wrong fuel (not K-1).
3. Wrong wick or wick height.
4. Not enough air to burn fuel.
5. System not properly vented.
1. Not enough air to burn fuel properly.
Water heaters
Natural gas or LPG
2. Defective / Blocked flue.
3. Maladjusted burner.
4. Building not properly pressurized.
1. Not enough air to burn fuel.
Range ovens
Natural gas or LPG
2. Maladjusted burner.
3. Misuse as a room heater.
4. System not properly vented.
1. Not enough air to burn fuel properly.
Stoves
Fireplaces
Gas, wood, coal
2. Defective / Blocked flue.
3. Green or treated wood.
4. Cracked heat exchanger.
5. Cracked firebox.
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