ELT SENSOR Corp.
2 / 5
CD-300(G)/CD-300L(G)
Transmitter Specifications
General Performance
Operating Temperature range
-10℃ ~ 60℃
Operating Humidity range
0 ~ 95% RH (Non-condensing)
‘G’:0~99% RH(Non-condensing)
Storage Temperature
-30℃ ~70℃
CO₂ Measurement
Sensing Method
NDIR (Non-dispersive Infrared)
Measurement Range
0 to 2,000 / 3,000 / 5,000 / 10,000ppm
(Jumper selectable)
(2%/3%/5%/7% are available)
Accuracy
±30ppm ±5%
Response Time(90%)
150 seconds
Sampling Interval
3 sec.
Operation mode selection
Factory calibration mode should be used
(Automatic calibration mode is only Indoor Air
Quality Monitoring).
Two manual recalibration methods are
available with manual recalibration by change
of J2 & J4 or by using TRB-100ST Jig (TRB-
100ST Jig : On Sale)
Electrical Data
Input Power
24VDC ± 20% (3-Wired)
Output Signals
4 ~ 20mA or 2 ~ 10VDC
0 ~ 20mA or 0 ~ 10VDC
, (Jumper selectable
-voltage output or current output)
Dimensions (unit : mm)
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