CO exposure effects
Effects can vary significantly depending on
age, sex, weight, and overall health.
Coffee cup test
To demonstrate that your CO sensor works, turn
a ceramic coffee cup upside down and slide it over
the edge of a counter (or desk) to expose about a
third of the mouth of the cup. Burn a cigarette
lighter inside the exposed mouth of the cup. Don't
burn the counter. When the flame starts to flicker,
you've burned up most of the oxygen in the cup cre-
ating carbon dioxide and now you're starting to pro-
duce carbon monoxide. Bring the flame in and out
of the mouth of the coffee cup to just keep the flame
alive. The longer you keep the flame flickering, the
more CO you produce. After 10 seconds of flicker-
ing, extinguish the flame and put the CO head in the
mouth of the cup. You should see readings in the
100s. Take it out if it approaches 1000PPM.
Limited warranty
This meter is warranted against defects in mate-
rial or workmanship for one year from date of pur-
chase. Fieldpiece will replace or repair the defective
unit, at its option, subject to verification of the
defect.
This warranty does not apply to defects resulting
from abuse, neglect, accident, unauthorized repair,
alteration, or unreasonable use of the instrument.
Any implied warranties arising from the sale of a
Fieldpiece product, including but not limited to
implied warranties of merchantability and fitness for
a particular purpose, are limited to the above.
Fieldpiece 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 of such damage, expenses, or economic loss.
State laws vary. The above limitations or exclu-
sions may not apply to you.
Obtaining service
Contact Fieldpiece Instruments for one-price-fix-
all warranty service pricing. Send check or money
order for the amount quoted. Send the meter freight
prepaid to Fieldpiece Instruments. Send proof of
date and location of purchase for in-warranty serv-
ice. The meter will be repaired or replaced, at the
option of Fieldpiece, and returned via least cost
transportation.
Optional pump
Use the model AOXP2 pump to
extract samples from hard to reach
places or from locations where the tem-
perature is high (such as a flue).
For potentially high concentrations of
CO, pump slowly and stop if the meas-
urement approaches 2000PPM.
Carbon monoxide concentrations
will begin to show in two or three
squeezes. For final reading,
pump until the reading stabilizes,
about 30 squeezes.
Press MAX on SCM3 to hold
highest reading.
Fieldpiece Instruments, Inc.
California, USA
www.fieldpiece.com
v09
More Products From Fieldpiece
Modular Expandability
Modular expandability is the ability for accessory
heads and meters to change configurations to
match the various needs of an HVAC/R technician.
Accessory heads (the sensors) send out a mV
signal, which represents the value of the measure-
ment, an attached meter. Heads can attach directly
to the top of a Stick meter, DL3 data logger, or
EHDL1. They can also plug into any meter with mV
ranges using ADLS2 leads.
Stick Meter
This is the heart of modular expandability. In addi-
tion to being a full functioning multimeter, any acces-
sory head can be used with it.
Model HS36
Non contact voltage
Magnetic hanger
Autoranging
Backlight
Temperature
Volts, amps, ohms
Frequency
Microfarads
Includes:
HS36 Meter
ACH4 Current Clamp
ATB1 K-type T/C
ADLS2 Deluxe Leads
ANC1 Case
Accessory Heads
Accessory heads are the sensors of multiple
parameters measured by technicians every day.
They send a mV signal to an attached multimeter.
The multimeter will display whatever the head is
measuring. Instead of having to purchase and carry
a separate instrument for each parameter, a techni-
cian can use multiple heads and a single multimeter
to do the job.
Here are four of the many heads available:
AAV3 Air Velocity and Temperature
ADMN2 Dual-Port Manometer
AVG2 Digital Vacuum Gauge
AOX2 Combustion Check
Standalone Combustion Check
The SOX2 allows you to easi-
ly calibrate combus-
tion equipment such
as boilers or furnaces
to the manufacturer’s
specified Excess Air
%, CO2%, or O2%.
Tuning the Excess
Air, CO2, O2 stack
temperature and tem-
perature rise to match
the appliance manu-
facturer’s specifica-
tions will increase
efficiency and help
maximize per-
formance and life
expectancy of the
equipment. Tuning
typically involves
adjusting the air/fuel
ratio.
Air Velocity
& Temperature
Head
English
READ
LO BATT
ON
LCD X
100
Average
(16 sec)
Metric
Real
time
AAV3
AUTO-
OFF
English
Metric
Ft/min
M/s
KM/hr
MPH
ºF
ºC
OFF
ADMN2
Dual-Port
Manometer
Accessory
Head
P1
P2
P1-P2
ON
0.1
ENGLISH
METRIC
0.01
(LCD/10)
Lo Batt
Resolution
ZERO
AUTO
OFF
P1
P2
aaaaa
aaaaa
aaaaa
aaaaa
aaaaa
aaaaa
aaaaa
aaaaa
AOX2
Combustion
Check
%
O
%
CO
TEMP
ON
GAS
OIL
Lo Batt
°C °F
AUTO
OFF
STABLE
Fuel Type
2
2
T/C
CAL
T2
T
T
T
T
T2
T2
T2
T2
2
2
T2
T
T
T
T
T2
T2
T2
T2
2
2
Natural
Gas
Oil #2
Propane
°C
°F
EA/CO
2
/O
2
H/MAX/MIN
FUEL
ON/OFF
Combustion
Check
Excess Air and %CO
2
calculated from %O
2
SOX2
AUTO-OFF
BATTERY CHECK
PRESS FOR
1 SECOND
Temp Cal
CO ppm
Effects
9 ppm
Minimal. Max allowable concentration
for eight hours (EPA and ASHRAE).
35 ppm
Max for continuous exposure for one
hour (EPA and ASHRAE).
50 ppm
Max for eight hours (OSHA).
100 ppm
Trips installed CO detectors. UL2034
specifies a max exposure of 100 min.
200 ppm
In two to three hours: slight
headache, tiredness, dizziness,
nausea. UL2034 specifies a max
exposure of 35 min.
400 ppm
In one or two hours: frontal
headaches. In three hours: life
threatening. UL2034 specifies a max
exposure of 15 minutes.
800 ppm
In forty five minutes: dizziness,
nausea, and convulsions.
800 ppm
In two to three hours: death.
1600 ppm
In one hour: death.
6400 ppm
In fifteen minutes: death.
12800 ppm In three minutes: death.
