Lutron Electronics GC-2028 Operation Manual
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Lutron Electronics GC-2028 Operation Manual

Co2 meter
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Carbon dioxide
CO METER
Model : GC-2028
OPERATION MANUAL
Your purchase of this
CO2 METER MONITOR
marks a step forward for
you into the field of
precision measurement.
Although
this
METER is a complex and
delicate instrument, its
durable
structure
allow many years of use
if
proper
operating
t e c h n i q u e s
developed. Please read
t h e
f o l l o w i n g
instructions
and always keep this
manual
within
reach.
CO2
will
a r e
carefully
easy

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Summary of Contents for Lutron Electronics GC-2028

  • Page 1 Carbon dioxide CO METER Model : GC-2028 Your purchase of this CO2 METER MONITOR marks a step forward for you into the field of precision measurement. Although this METER is a complex and delicate instrument, its durable structure will allow many years of use...

  • Page 2: Table Of Contents

    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 )..........▲...

  • Page 3: Features

    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 setting. Can set the altitude compensation value with default. Large S-TN LCD, high contrast, easy readout.
  • Page 4 Unit Temp. ℃ ℉ CO2 : Response Time < 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 ℃...
  • Page 5 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.

  • Page 6: Front Panel Description

    2-2 Electrical Specifications (23± 5 ℃ Range 0 to 4,000 ppm Resolution 1 ppm ( Carbon Accuracy ± 40 ppm dioxide ) 1,000 ppm. ≦ ± 5% of reading 23 ± 5 ℃ * > 1,000 ppm 3,000 ppm. ≦ ±...

  • Page 7: Display

    3-1 Display 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 ) ▼ 3-7 Battery Compartment/Cover 3-8 Stand 3-9 Input socket 3-10 RS-232 Output Terminal 3-11 DC 9V Power Adapter Input Socket 3-12 Reset button...

  • Page 8: Measuring Procedure

    4. MEASURING PROCEDURE 4-1 CO2 measurement 1) Plug the " CO2 Probe Plug " ( 3-15, Fig. 1 ) into the " Probe Input Socket " ( 3-9, Fig. 1 ). 2) Power on the meter by pressing the " Power Button " ( 3-2, Fig.

  • Page 9: Data Hold

    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.

  • Page 10: Advanced Setting

    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 "...

  • Page 11: Change The Temp ℃ ℉ , Unit

    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 " 0 ", use the " Button "...

  • Page 12: Rs232 Pc Serial Interface

    5-4 Setting the CO2 altitude compensation value When the lower display show " ALt " : 1) Press the " Enter Button " ( 3-4, Fig. 1 ) once, the upper display will show " CO2 altitude compensation value " with meter unit, use the "...
  • Page 13 The 16 digits data stream will be displayed in the following format : D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Each digit indicates the following status : Start Word = 02 When send the upper display data = 1 When send the lower display data = 2 D12 &...

  • Page 14: Battery Replacement

    7. BATTERY REPLACEMENT 1) When the left corner of LCD display show " ", it is necessary to replace the battery. However, in-spec. measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate. 2) Loose the screws of the "...

  • Page 15: Annex

    9. ANNEX The follow CO2 value are for the requirement for different environment, however it is for reference only. Building, office, home 1,000 PPM ≦ School 1,500 PPM ≦ Hotel, public area 1,500 PPM ≦ Indoor swimming pool 1,500 PPM ≦...

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