Proud Distributors of GUNT Hamburg, UTEST, FOUR E’s Scientific & LABTECH ITALY

Low Range CO2 Meter and Data Logger (LES-S653)

Low Range CO2 Meter and Data Logger (LES-S653)

SKU LES-S653 Categories ,

Measures CO₂, Temperature and Humidity Simultaneously.

Code LES-S653
  • CO2 range: 0~5,000 ppm (accuracy ≤ ±3% F.S)
  • NDIR technology provides increased accuracy and stability
  • Relative humidity: 0~100% (accuracy ±3%)
  • Temperature: -30~+70°C (accuracy ±0.2°C)
  • Data logging: 43,000 records with date & time stamp
  • Sample intervals selectable from 10 second to 24 hours
  • Start modes: Push button
  • Power: 3.6V Lithium batteries (approx. 6 months @ 10 min intervals)
  • c/w software, USB cable and 2 x batteries

Technical Specifications:



CO Measuring range 0~5000PPM Battery Two 3.6V lithium battery
CO Measurement Accuracy ≤±3% F. S Communication Interface USB
CO Resolution 1PPM LCD Size 40 x 27.8(mm)
Record Interval 10s~24h Weight 176g
Record Volume 43.000 Size 108.6×90.8×35.8 (mm)
Temperature 0.1˚C Resolution, -40-85˚C Measurement range, ±0.2˚C accuracy
Relative Humidity 0.1% resolution, 0~100% measurement range, ±3% accuracy
Refresh Interval 10 to 240 seconds adjustable
Sensor Type British import CO₂ sensor, Switzerland import temperature humidity sensor
Accessories PC-Software, specification, professional USB link power, two 3.6V Lithium battery, Guarantee card


  • Green houses in Agriculture
  • Public places such as hospitals, rail station
  • Factories, laboratories, archives and libraries

Due to the continuous development of our products, the goods supplied may vary in detail to that illustrated on this Website.