9. Maintenance
It is recommended that the instrument be calibrated every 12 months.
Please consult Test Products International for further details (800) 368-5719.
9.1 Battery Replacement
When the batteries become low they will require replacement.
1. Turn the meter over so the back is facing you.
2. Loosen the screw holding down the battery cover located under the tilt
stand.
3. Lift the tilt stand up and remove the battery cover.
4. Replace the batteries (3 x AA Alkaline) and install the cover and tighten the
screw.
9.2 Service
To obtain warranty and non-warranty performance or maintenance on your
analyzer: - Include with the product your name, address, phone number, writ-
ten description of the problem and proof of purchase date. Carefully package
and return to:
TPI / Attn. Repair
9615 SW Allen Blvd. Suite 104
Beaverton, OR 97005
8. Technical Specifications
Function
Range
Accuracy
CO2
0 to 5000ppm
50°F~104°F: ±3% of rdg+75ppm
<50°F, >104°F: ±5% of rdg+75ppm
Temperature
-5°F to 140°F
±2°F
-20°C to 60°C
±1°C
Dew Point Temperature -47°F to 135°F Calculation
-44°C to 57°C
Wet Bulb Temperature
3°F to 135°F
Calculation
-16°C to 57°C
Relative Humidity
5% to 95%
±2% RH
CO
0 to 500ppm
±3ppm or ±5% of rdg whichever
is greater
% Outside Air
0 to 100%
Calculation
Data Logging:
Up to
4
,000 samples 1 sec to 23hr 59min interval.
Display Type:
3 line with annunciators and backlight
CO Alarm:
Audible and visual, selectable level (factory default 30ppm)
Operating Temperature & Humidity
CO and CO2: 14°F to 122°F (-10°C to 50°C)
All Other Function: -4°F to 140°F (-20°C to 60°C)
Humidity 15 ~ 95% non-condensing
Storage Temperature:
-4°F to 140°F (-20°C to 60°C)
Power supply
3 AA battery( 4.5V)
AC/DC adapter 5Vout (Center positive)
Battery Life: 40 hours typical without backlight
Output:
Serial output via USB connection
w
w
w
.
G
lo
ba
lT
es
tS
up
pl
y
.c
om
Fi
nd
Q
ua
lit
y
Pr
od
uc
ts
O
nl
in
e
at
:
sa
le
s@
G
lo
ba
lT
es
tS
up
pl
y.
co
m
