深圳市云庭科技有限公司
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深圳市云庭科技有限公司
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MODEL NAME. : DRAWING NO. : REV : PAGE JUN. 19, 2009
Customer:
Agent:
PRELIMINARY SPECIFICATION
of
CO2 MEASUREMENT UNIT
MODEL NO.: CO2-4K-3M-P
176-17 Hirooka, Tottori-shi, 689-1193
TEL : +81-857-53-4666 FAX : +81-857-53-3532
APPROVED BY CHECKED BY DRAWN BY
CO2-4K-3M-P
PART NO.. :
PRLNDI-003 A 1 / 4
PRELIMINARY
MODEL NAME. : DRAWING NO. : REV : PAGE JUN. 19, 2009
CO2-4K-3M-P
PART NO.. :
PRLNDI-003 A 2 / 4
1. SCOPE
This specification describes a CO2 Measurement Unit supplied by Nippon Ceramic Co., Ltd.
2. TYPE of UNIT
2.1. TYPE NAME: CO2 Measurement Unit
2.2. MODEL NO.: CO2-4K-3M-P
3. DIMENSIONS
3.1. Dimensions
See Fig. 2.
3.2. Lot No.
Production Lot No. is put on a Unit.
4. GENERAL / ELECTRICAL CHARACTERISTICS
Table 1
PARAMETER SPECIFICATION
4.1. Operating Temperature 0 - 35 degrees Celsius
4.2. Operating Humidity 0 - 95RH%, no condensing
PARAMETER Symbol Min. Typ. Max. Unit
4.3. Supply Voltage Vcc 4.5 5.0 5.5 V
4.4. Supply Current
4.5. Peak Current (Lamp - “ON") IC1 - - 200 mA
4.6. Ave. Current (Lamp - “ON") IC2 - - 110 mA
4.7. Total Average IC3 - - 50 mA
4.8. Output Current Io 10 - - mA
4.9. Warm-Up Time (after Power “ON") Ton *1 - - 20 S
5. CO2 MEASUREMENT
Table 2
PARAMETER Min. Typ. Max. Unit
5.1. Measurement Range 400 - 4000 ppm
5.2. Resolution - - 20 ppm
5.3. Accuracy 1 (Ta=25 degrees Celsius) -200 - +200 ppm
5.4. Accuracy 2 (Ta=0 - 35 degrees Celsius) -400 - +400 ppm
5.5. Response Time (90% ) - - 180 S
(Ta=0～35℃)
6. PWM OUTPUT FORMAT
Table 3
6.1. Measurement See Fig.1
6.2. Unit Trouble Continuous Hi
6.3.
PWM Output
During Warm-Up Time Continuous Lo
PRELIMINARY
MODEL NAME. : DRAWING NO. : REV : PAGE JUN. 19, 2009
*1. When reading the Measurement Value, please read it as the Duty ratio.
There will be added +/-5% of error when reading only the width of “Hi" or “Lo".
*2. In case of trouble inside the sensor unit, it will be “Hi".
*3. After the power is turned on, it will be “Lo" for max. 20 sec.
Figure 1: PWM Output Format
CO2-4K-3M-P
PART NO.. :
PRLNDI-003 A 3 / 4
PRELIMINARY
MODEL NAME. : DRAWING NO. : REV : PAGE JUN. 19, 2009
Unit [mm]
Figure 2: Dimensions
CO2-4K-3M-P
PART NO.. :
PRLNDI-003 A 4 / 4
PRELIMINARY
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