Product Overview

CO91
• MeasuresCOto1999ppm
•MeasureTemperature
• DMMstyleselector
• MeasureAmbientCOor
 concentrationofCOinfluegas
• COMAXCapture
• COAccurateto5%ofreading
• AutoZeroatpowerup
• Linktooptionalinfraredprinter
•Threeyearwarranty
 (Twoyearsonsensor)
•FlueProbe
• ATT100KTypetemperatureprobe
• AC75SoftCarryingCase
•4“AA”Batteries
C O M E T E R
The CO91 is used to check ambient CO levels, find leaks along flue pipes, or measure CO
concentration in flue gas from furnaces or residential combustion appliances. The CO91 also
measures temperature for various testing needs and has a CO MAX capture function for CO.
Dimensions
Weight 2.2lb/1kg
Handset 7.9”x1.8”x3.5”(200mmx45mmx90mm)
Probe L11.8”xDia.25”/7.8”longstainlesssteelshaft
 (300mmx6mm/200mm)
Ambient Operating Range 32˚to104˚F(0˚to+40˚C)
 10%to90%RHnon-condensing
Battery Life 4“AA”cells
 >8hoursusingAlkalineAAcells
AC adapter (optional) Input:110VAC
 Output:9VDCregulated500mAminimum
Parameter Resolution Accuracy Range
Temperature Measurement
Temperature: 1.0˚F/C ±5.0˚F(2.0˚C) 32-1112˚F
  ±0.3%reading 0-600˚C
Gas Measurement
CarbonMonoxide 1ppm ±10ppm<100ppm
*1
 0-1999ppm
  ±5%ofrdg>100ppm
Replacement Parts & Accessories (CO91)
SM11103 AACA4 KMIRP2
AACA4 ACAdapter
KMIRP2 ThermalprinterwithInfraredlink
SM11103 Inlettube/Probeconnector
16646 Thermalprinterpaper
17631 Particlelter
SM11103PACK Inlettube/Probeconnector10pack
16646PACK Thermalprinterpaper10pack
17631PACK Particlelter10pack
1664617631