• Built-in Alarm is preset to 30ppm. Setting can be set by user.
• Use with any DMM with minimum 2 1/2 digit LCD, 2 or 4 Volt DC range and 10M Ohm or greater input impedance.
• Detect CO levels from 0-1999 ppm, with resolution as low as 0.1 ppm and ±5% of reading accuracy.
• Soft pouch included.

Specifications

• Range (CO): 0 ~ 1,999ppm
• Accuracy: ± 5ppm or 5% of reading, whichever is greater
• Resolution: 1ppm
• Backlight
• Alarm: Audible
• Power Supply: 9V Alkaline Battery
• Dimensions: 6.5" x 2.1" x 1.2", (165 x 55 x 30 mm)
• Weight: 7.23oz (205g)
• Warranty: 3-year limited warranty