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- CO 2 : 0 ~ 6,000 ppm range, Diffusion sampling mode.
 
- Three LCD Display for CO 2 , %RH Humidity and Air Temperature.
 
- Maintenance free dual wavelength NDIR infrared CO 2 sensor (non-dispersive infrared).
 
- Continuous or manual data logging (20,000 sets).
 
- Data hold & Maximum / Minimum with Time stamp.
 
- Data Memory and READ function.
 
- Alarm and Time setting.
 
- RS-232 function / Software.
 
- Backlight display function.
 
- Simple and safe to use.
 
 
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 Measuring Range 
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 CO 2 : 0~ 6,000 ppm  Temperature : -20℃ ~ 60℃ (-4℉ ~ 140℉)  Humidity : 10%RH ~ 95%RH 
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 Resolution 
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 CO 2 :1ppm  0.1℃ / 0.1℉ / 0.1%RH 
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 Accuracy 
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 CO 2 : ±3% of reading or ±50ppm, which is greater.  Temperature : ±0.5℃, ±0.9℉  Humidity : ±3%RH ( at 25℃, 30 ~ 95% RH ).  ±5%RH ( at 25℃, 10 ~ 30% RH ) 
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 Manual Data Memory Capacity 
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 99 sets (Direct reading from LCD display) 
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 Auto Memory Capacity 
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 Approx. 20,000 sets 
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 Operating Conditions 
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 5℃ ~ 50℃ (41℉ ~ 122℉)  10 ~ 90% R.H. 
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 Power Source 
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 6pcs size AAA Alkaline Battery (large current) batteries. 
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 Battery Life 
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 Approx. 8 hours by using alkaline (large current)  batteries (without backlight or Alarm function).  For long time datalogging, please use AC adapter. 
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 Size 
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 158(L) ×72(W) ×35(H)mm 
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 Weight 
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 Approx. 255g (including batteries) 
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 Accessories 
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 Instruction Manual, Battery, AC Adaptor (110Vor220V),  Software CD Rom, RS232 Cable & Carrying case. 
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