Lutron Electronics GCO-2008 User manual
Carbon monoxide 0 to 1000 PPM, Temp.
CO METER Model : GCO-2008
Your purchase of this
CO METER MONITO
R
marks a step forward for
you into the field of
precision measurement.
Althou
g
h this CO METE
R
is a complex and
delicate instrument, its
durable structure will
allow many years of use
if proper operatin
g
techniques are
developed. Please read
the followin
g
instructions carefully
and always keep this
manual within easy
reach.
OPERATION MANUAL
TABLE OF CONTENTS
1. FEATURES......................................................................
.
1
2. SPECIFICATIONS............................................................
.
1
3. FRONT PANEL DESCRIPTION........................................... 4
3-1 Display......................................................................4
3-2 Power Button............................................................
.
4
3-3 Hold Button ( Esc Button )..........................................4
3-4 REC Button ( Enter Button ).......................................
.
4
3-5 Set Button ( Button ).............................................▲4
3-6 Alarm Button ( Button ).........................................
.
▼4
3-7 Battery Compartment/Cover....................................... 4
3-8 Screws for Battery Compartment................................
.
4
3-9 Stand........................................................................4
3-10 RS-232 Output Terminal...........................................4
3-11 DC 9V Power Adapter Input Socket........................... 4
3-12 Reset button...........................................................
.
4
3-13 CO Sensing Head..................................................... 4
4. MEASURING PROCEDURE................................................
.
5
4-1 CO measurement.......................................................5
4-2 CO alarm setting........................................................6
4-3 Data Hold..................................................................6
4-4 Data Record ( Max, Min reading )...............................
.
6
5. ADVANCED SETTING....................................................... 7
5-1 Auto power off enable/disable....................................
.
8
5-2 Change the Temp , unit......................................℃℉ 8
5-3 CO alarm value setting...............................................9
6. RS232 PC SERIAL INTERFACE..........................................10
7. BATTERY REPLACEMENT.................................................
.
11
8. ZERO ADJUSTMENT........................................................
.
12
9. SYSTEM RESET...............................................................
.
12
10. CO value via HEALTH INFORMATION..............................13
1. FEATURES
*Two function : CO ( Carbon monoxide ), Temperature.
*CO range : 0 to 1,000 ppm x 1 ppm.
*Temperature. : 0 to 50 , /℃℃℉
*CO measurement with fast response time.
*High repeatability and high accuracy.
*stand-alone device, easy to carryout and operation.
*CO function with alarm setting.
*Large S-TN LCD, high contrast, easy readout.
*Data hold function for freezing the desired value
on display.
*Records Maximum and Minimum readings with Recall.
*RS232/USB computer interface.
*Microprocessor circuit assures maximum possible
accuracy, provides special functions and features.
*Heavy duty & compact housing with hard carrying case,
designed for easy carry out & operation.
*Auto shut off is available to save battery life.
*Power supply from batteries or DC 9V adapter in.
2. SPECIFICATIONS
2-1 General Specifications
Circuit Custom one-chip of microprocessor LSI
circuit.
Display LCD size : 52 mm x 38 mm
dual function LCD display.
Measurement CO( Carbon dioxide ),
Temperature
Unit CO ppm
Temp. ,℃℉
1
Temperature Automatic temp. compensation for
Compensation CO measurement.
Advanced Auto power off enable/disable setting
Setting / setting℃℉
CO alarm value setting
Alarm Setting For CO measurement only.
Sensor Type CO : Electrochemical
Temperature : Thermister
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Display Approx. 1 second.
Sampling Time
Power off Auto shut off saves battery life or
manual off by push button.
Zero Build in zero button for offsetting
the zero value
Data Output RS 232/USB PC serial interface.
*
Connect the optional RS232 cable
UPCB-02 will get the RS232 plug.
*
Connect the optional USB cable
USB-01 will get the USB plug.
Operating 0 to 50 .℃
Temperature
Operating Less than 85% R.H.
Humidity
Power Supply DC 1.5 V battery ( UM4, AAA ) x 6 PCs,
Alkaline/heavy duty type or equivalent.
Power Current Approx. DC 5.6 mA.
Weight 336 g/0.74 LB.
@ Battery is included.
Dimension 210 x 68 x 42 mm (8.3 x 2.7x 1.2 inch)
Accessories Instruction manual.....................
.
1 PC
Included Soft carryin
g
case ( CA-05A )......
.
1 PC
Optional RS232 cable, UPCB-02
Accessories USB cable, USB-01
Data Acquisition software, SW-U801-WIN
2
2-2 Electrical Specifications (23±5 )℃
CO ( Carbon dioxide )
Range 0 to 1,000 PPM
CO Resolution 1 ppm
*
Carbon
Accuracy ± ( 5% + 2 PPM )
monoxide
Response < 30 seconds
time *
Repeatability < 2%
Zero drift in < 5 PPM
long term
Sensitivity < 5% per year
drift
*
The response time value is specified to reach
the 90% reading value.
Temperature
Range 0 to 50 ,32 to 122 .℃℃℉ ℉
Temperature Resolution 0.1 degree.
Accuracy ℃± 0.8 ℃
℉±1.5 .℉
@ Above specification tests under the environment RF Field Strength less than 3
V/M & frequency less than 30 MHz only.
3
3. FRONT PANEL DESCRIPTION
3-1 Display Fig. 1
3-2 Power Button
3-3 Hold Button ( Esc Button )
3-4 REC Button ( Enter Button )
3-5 Set Button ( Button )▲
3-6 Alarm Button ( Button )▼
3-7 Battery Compartment/Cover
3-8 Screws for Battery Compartment
3-9 Stand
3-10 Tripod Fix Nut
3-11 RS-232 Output Terminal
3-12 DC 9V Power Adapter Input Socket
3-13 Reset button.
3-14 CO Sensing Head
4
4. MEASURING PROCEDURE
4-1 CO measurement
1)Power on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ), wait about 30 seconds to warm up the
meter, Display ( 3-1, Fig. 1 ) will show the CO value
with the " PPM " unit in the upper display, at the same
time the lower display will show the Temp. value that
sensing from the " CO Sensing Head " ( 3-14, Fig. 1 ).
CO 0PPM
26.3 ℃
Remark :
* If the measuring environment is not existing the CO
value, the upper display will show 0 to 1 ppm.
Under open air environment ,
If Display show few digits CO value, please make
the Zero adjustment " , refer to chapter 8, page 12.
* Response time of CO measurement is < 30 seconds
typically, however it is depend on the environment air
circulation.
* The Temp. display unit is defaulted to " ". If℃
intend to let the meter's temperature unit default to
" ", please refer to section 5-2 ( page 8 ).℉
5
4-2 CO alarm setting
During the CO measurement, press the " Alarm
Button " ( 3-6, Fig. 1 ) once, the display will show the
indicator " ALARM " and going on to execute the CO
alarm function. If the measurement value over the "
Alarm setting value ", the buzzer will sound.
* When the Display show the " ALARM " indicator, press
the " Alarm Button " ( 3-6, Fig. 1 ) once again, will
disable the CO alarm function, the ' ALARM " indicator on
the LCD will be disappeared.
* The procedures of setting the CO alarm value, please
refer to section 5-3 ( page 9 ).
4-3 Data Hold
During the measurement, press the " Hold Button " ( 3-3,
Fig. 1 ) once will hold the measured value & the LCD will
display a " HOLD " symbol.
* Press the " Hold Button " once again will release the data
hold function.
4-4 Data Record ( Max., Min. reading )
* The data record function records the maximum and
minimum readings. Press the " REC Button " ( 3-4, Fig.
1 ) once to start the Data Record function and there
will be a " REC. " symbol on the display.
* With the " REC. " symbol on the display :
a)Press the " REC Button " ( 3-4, Fig. 1 ) once, the "
REC. MAX. " symbol along with the maximum value
will appear on the display.
If intend to delete the maximum value, just press
the " Hold Button " ( 3-3, Fig. 1 ) once, then the
display will show the " REC. " symbol only & execute
the memory function continuously.
6
b)Press the " REC Button " ( 3-4, Fig. 1 ) again, the
" REC. MIN. " symbol along with the minimum value
will appear on the display.
If intend to delete the minimum value, just press
the " Hold Button " ( 3-3, Fig. 1 ) once, then
the display will show the " REC. " symbol only &
execute the memory function continuously.
c)To exit the memory record function, just press the
" REC " button for 2 seconds at least. The display will
revert to the current reading.
5. ADVANCED SETTING
When execute the following Advanced
Setting Procedures should cancel the " Hold
function " and the " Record function " first. The
display will not show the " HOLD " and the " REC "
indicator
Press the " Set Button " ( 3-5, Fig. 1 ) continuously at
least two seconds will enter the " Advanced Setting ",
then press the " Button " ( 3-5, Fig. 1 ) or "▲▼
Button " ( 3-6, Fig. 1 ) once a while in sequence to
select the three main function, the lower display will
show :
PoFF.....Auto power ON/OFF management
t-CF......Change the Temp , unit℃℉
AL.........Setting the CO alarm value
7
5-1 Auto power ON/OFF
When the lower display show " PoFF " :
1)Press the " Enter Button " ( 3-4, Fig. 1 ) once, the upper
display will show " YES ", use the " Button " ( 3-5, Fig.▲
1 ) or " Button " ( 3-6, Fig. 1 ) to select the upper▼
text to " no " or " YES ".
no - Auto Power Off management will disable.
YES - Auto Power Off management will enable..
2)After select the upper text to " no " or " YES ", press
the " Enter Button " ( 3-4, Fig. 1 ) will save the
setting value ( function ) with default.
* If before press the " Enter Button ", just press
the " ESC Button " ( 3-3, Fig. 1 ) will escape the
Advanced Setting procedures without saving the
value ( function ) into the circuit memory.
5-2 Change the Temp , unit℃℉
When the lower display show " t-CF " :
1)Press the " Enter Button " ( 3-4, Fig. 1 ) once, the upper
display will show " C " or " F ", use the " Button "▲
( 3-5, Fig. 1 ) or " Button " ( 3-6, Fig. 1 ) to select the▼
upper text to " C " or " F ".
C - The Temp. unit is .℃
F - The Temp. unit is .℉
2)After select the upper text to " C " or " F ", press the
" Enter Button " ( 3-4, Fig. 1 ) will save the setting Temp.
unit ( , ) with default.℃℉
* If before press the " Enter Button ", just press
the " ESC Button " ( 3-3, Fig. 1 ) will escape the
Advanced Setting procedures without saving the
value ( function ) into the circuit memory.
8
Table of contents
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