Features:

• Low cost pocket type CO Meter/Detector
• Adjustable Carbon Monoxide Warning Level
• Dual digital display: Current CO & Max CO value
• Auto zero and auto-calibration
• 2-point CO calibration
  • Auto calibration at 0ppm
  • 100/500ppm for other standard calibration
• Preset audible alert triggers above 25ppm indicating threshold of dangerous CO concentration
• High repeatability/selectivity to Carbon Monoxide (CO)
• Reduced influence by Various interference gasses
• Long life & reliable electrochemical CO sensor
• Low battery indicator
• Backlight, ideal for working in the dark areas
• Auto & Manual power off function
• Selectable °C and °F Temperature units
• Self-Test Function after power on, testing the sensor and circuit condition
• With overflow and underflow value indication
• 100% certified safe, with EU international standard for health and safety
• with CE marking which ensures safety

Specifications:

• Measuring Range: 0~999ppm
• Accuracy: ±20% at 0~100ppm
  Accuracy:±15% at 101~500ppm
  Accuracy:(at 20±5°C , 50±20%RH)
  
• Resolution: 1ppm
• Response Time: within 60sec
• Working Environment
  • Temperature: -10 ~ 60°C
  • Humidity: 5~99% RH (no condensation)
• Storage Environment
  • Temperature: -40 ~ 70°C
  • Humidity: 0~95%RH(avoid condensation
• Power Supply: 3 x AAA alkaline batteries
  Power Supply: (about 250hrs when backlight is off and 35hrs backlight is on)
• Dimension: 175 x 47 x 28mm
• Weight: approx. 120g

Accessories included

• 3 x AAA alkaline batteries
• 1 x Instruction Manual
• 1 x Wrist Strap
• 1 x Carrying Pouch
• Standard colored factory package