Specification

GSM120 Portable Carbon Monoxide (CO) Meter
• 0 to 1000ppm range
• Max Hold records the highest reading
• Audible alarm at 35ppm increases beeping
until continuous at 200ppm
• Self calibration in fresh air
• Stabilizedelectro-chemicalgas-specic(CO)sensor
• Measuring Time Mode displays elapsed time from
when the meter is powered on
• Max Hold records the highest reading
• Manually store/recall 10 readings
• BacklitLCDdisplay
• Auto power off with disable
• Includes 9V battery, rubber holster, and carrying case
CheckCarbonMonoxide(CO)levelsinchimneys/ues,
gasappliances(ovens,ranges,dryers),furnaces,internal
combustion engines, portable generators and all coal/wood/
charcoal/oil/kerosene/propane/naturalgasburningdevices
Ordering Information:
GSM120  PortableCarbonMonoxide(CO)Meter
Features:
Applications:
with Audible/Visual alarms
850 Perimeter Road • Manchester, NH • [phone] • [e-mail]
Specifications
GSM120
Carbon Monoxide (CO) 0 to 1000ppm
Accuracy ±5% or ±10ppm (whichever is greater)
Resolution 1ppm
CO Alarm Audible/Visual
CO Audible Alarm 35ppm (intermittent beep), beep speed increases
up to 200ppm (continuous beep)
Memory Manually store/recall 10 readings
Power 9V battery
Dimensions 6.3 x 2.2 x 1.6” (160 x 56 x 40mm)
Weight 6.35oz (180g)