Lutron Electronics GC-2028 Operation Manual
Carbon dioxide
CO METER
Model : GC-2028
Your purchase of this
CO2 METER MONITOR
marks a step forward for
you into the field o
f
precision measurement.
A
lthough this CO2
METER is a complex and
delicate instrument, its
durable structure will
allow many years of use
if proper operating
techniques are
developed. Please read
the following
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 )....................................................▼ 4
3-7 Battery Compartment/Cover....................................... 4
3-8 Stand.......................................................................
.
4
3-9 Input socket..............................................................4
3-10 RS-232 Output Terminal........................................... 4
3-11 DC 9V Power Adapter Input Socket...........................
.
4
3-12 Reset button...........................................................
.
4
3-13 CO2 Probe Head...................................................... 4
3-14 CO2 Probe Handle...................................................
.
4
3-15 CO2 Probe Plu
g
........................................................4
4. MEASURING PROCEDURE................................................ 6
4-1 CO2 measurement..................................................... 6
4-2 CO2 alarm settin
g
......................................................6
4-3 Data Hold.................................................................
.
7
4-4 Data Record ( Max, Min readin
g
)................................7
5. ADVANCED SETTING....................................................... 8
5-1 Auto power off enable/disable....................................
.
8
5-2 Chan
g
e the Temp , unit......................................℃℉ 9
5-3 CO2 alarm value settin
g
............................................. 9
5-4 CO2 altitude compensation value settin
g
......................10
6. RS232 PC SERIAL INTERFACE..........................................10
7. BATTERY REPLACEMENT................................................. 12
8. SYSTEM RESET...............................................................12
9. ANNEX...........................................................................13
1. FEATURES
* NDIR method principal for CO2 ( Carbon dioxide )
measurement, available for long term operation.
* High repeatability and high accuracy.
* Separate probe, easy operation and convenient
for remote measurement.
* CO2 function with alarm settin g.
* Can set the altitude compensa tion value with default.
* Large S-TN LCD, high contrast, easy readout.
* Data hold function for freezing the desire d 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 CO2 ( Carbon dioxide ), Temp.
1
Unit CO2 ppm
Temp. , ℃℉
Response Time
CO2 :
< 2 min. typically.
* Reach the 63% reading value
* Depend the environment air
circulation.
CO2 altitude 0 to 9,000 meters.
compensation
setting
Temperature Automatic temp. compensation.
Compensation
Advanced Auto power off enable/disable setting
setting / setting℃℉
CO2 alarm value setting
CO2 altitude value setting
Alarm Function Setting for CO2 measurement value.
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.
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.
2
Operating 0 to 50 .℃
Temperature
Operating Less than 85% R.H.
Humidity
Power Supply DC 1.5 V battery ( UM3, AA ) x 6 PCs,
or equivalent.
Power Current CO2 measurement
Approx. DC 9.6 mA for 90% period.
Approx. DC 128 mA for 10% period.
Weight Main instrument : 372 g/0.82 LB.
@ Battery is included.
CO2 probe : 158 g/0.35 LB.
Dimension Main instrument :
173 x 68 x 42 mm
(7.9 x 2.7x 1.2 inch)
CO2 Probe :
185 x 38 x 26 mm
Accessories Instruction manual..........................1 PC
Included CO2 probe.....................................
.
1 PC
Hard Carryin
g
case.........................1 PC
Optional RS232 cable, UPCB-02
Accessories USB cable, USB-01
Data Acquisition software, SW-U801-WIN
3
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