INSTRUCTION MANUAL CO91 1-800-547-5740 • Fax: (503) 643-6322 www.ueitest.com • email: info@ueitest.
Introduction Controls and Indicators The CO91 meter tests CO levels in heating appliances, ambient air, around fossil fueled appliances like cookers and grills. It also helps you test residential and commercial CO alarms and also shows CO MAX - the m aximum level of CO recorded. The CO91 can also be used as a digital thermometer, ideal for testing hot water or refrigeration.
2. UP/DOWN/ENTER buttons: Press the “DOWN” button for more than 1 second to change the displays top line. The rotary dial changes the displays bottom line. Example: The meter will display CO on its top line and temperature on its bottom line if you turn the rotary dial to “TEMP” and push the “DOWN” button until CO is displayed on the top line. Use the “UP/DOWN/ENTER” keys to change settings (such as time and date) when the rotary dial is turned to “MENU”. 3.
After the countdown is finished and the meter is correctly set up, take the meter into the room to be tested, make sure its pump is on and use the probe to draw in ambient air for the meter to measure. • Only switch on the meter in OUTDOOR, FRESH AIR • Do not exceed the meter’s internal temperature operating range • Do not put the meter on a hot surface • Do not expose yourself and others to dangerous levels of CO Printing Test Information An optional accessory for the CO91 is an infrared thermal printer.
Maintenance Periodic Service WARNING! Repair and service of this instrument is to be performed by qualified personnel only. Improper repair or service could result in physical degradation of the meter. This could alter the protection from electrical shock and personal injury this meter provides to the operator. Perform only those maintenance tasks that you are qualified to do.
CO91 Carbon Monoxide Analyzer Limited Warranty The CO91 is warranted to be free from defects in materials and workmanship for a period of three years (two years on sensor) from the date of purchase. If within the warra n ty period your instrument should become inoperative from such defects, the unit will be repaired or replaced at UEi’s option.
