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Summary of Contents for Extech Instruments CO30
- Page 1 USER GUIDE Digital CO Monitor Model CO30 ...
- Page 2 Introduction Thank you for selecting the Extech Instruments Model CO30. The CO30 is a 3‐in‐one Carbon Monoxide (CO), temperature measurement, and humidity measurement meter. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. ...
- Page 3 Press and hold the Control button for at least 3 seconds to access the Control Setup Mode. Repeated presses of the Control button cycle through the available parameters. These parameters, in order, are: ZERO Calibration Temperature Unit selection (°C/°F) Temperature compensation (used in conjunction with side potentiometer) Humidity compensation (used in conjunction with side potentiometer) Alarm Beeper Threshold (25, 30, 35, 50, 100, 200 ppm) Factory Default setting reset Escape/Return (abort and return to normal mode) ZERO Calibration Ensure that the Zero Calibration is performed in a clean air environment (no CO gases). Press and hold the Control button for 3 seconds (until appears on the LCD screen) and then press and hold the Control button again to enter the calibration mode (‘CAL’ should appear on the display). 3 CO30 USER GUIDE CO30‐en‐GB_v1.6 12/14 ...
- Page 4 EXTECH INSTRUMENTS Release the Control button and wait approximately 20 seconds for the calibration to complete. The meter will display ‘END’ for 2 seconds when calibration is complete and will then return to the normal mode of operation. Changing Temperature Units C/F When is shown on the display, press and hold the Control button to display the current temperature unit. Momentarily press the Calibration Control button to toggle °C and °F units. To save setting, press and hold the Control button. The meter will return to the normal mode. Temperature Compensation Adjustment When is shown on the display, press and hold the Control button. The factory default ‘0.0’ value will flash. Turn the compensation potentiometer clockwise to increase the temperature offset or counterclockwise to decrease offset). The range is ‐5.4°F to +5.4°F (‐ 3.0°C to +3.0°C). When done, press and hold the Control button to save the setting. The meter will return to the normal measurement mode and will reflect the offset when temperature readings are displayed. Note: To perform an accurate offset adjustment, a standard reference is required for comparison. 4 CO30 USER GUIDE CO30‐en‐GB_v1.6 12/14 ...
- Page 5 Warning: While performing temperature or RH% compensation adjustments do not touch the slotted openings on the meter housing, these are where the sensors are located. Otherwise, accuracy may be compromised. Note: If the meter displays ‘ ’ press the Control button to step to the next setting. Alarm Beeper Threshold Selection When is shown on the display, press and hold the Control button. The factory default setting will flash. Momentarily press the Control button to choose a 25ppm, 30ppm, 35ppm, 50ppm, 100ppm, or 200ppm threshold. After the selection, press and hold the Control button to save and return to the normal mode. The alarm beeper prompts personnel to evacuate an area because of the detection of unsafe concentrations of CO. The meter alarms when the CO concentration exceeds the default or user‐programmed threshold. The beeper may be temporarily silenced for approximately 4 minutes by pressing the Control button. After this time, if the meter continues to detect a CO concentration exceeding the threshold, it will alarm again. For safety purposes, the meter alarm function cannot be completely disabled. 5 CO30 USER GUIDE CO30‐en‐GB_v1.6 12/14 ...
- Page 6 EXTECH INSTRUMENTS Revert to Factory Default Settings When is shown on the LCD display, press and hold the Control button to reset the CO30 to its default (factory) settings. Escape/Return Function When is shown on the LCD display, press and hold the Control button for 3 seconds to abort the current programming step and return to the normal measurement mode. Maintenance Low Battery Condition When the battery icon ( appears on the LCD, the batteries must be replaced. If the meter is ) low on battery voltage, erratic or inaccurate CO concentration readings may result. Never use the meter with the low battery icon displayed. Never dispose of used batteries or rechargeable batteries in household waste. As consumers, users are legally required to take used batteries to appropriate ...
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Page 7: Specifications
Alarm functionality Meter beeps and displays the alarm bell icon when the CO level exceeds the alarm setpoint (default setpoint is 30ppm, user adjustable) Temperature and RH Compensation Manual; user‐adjustable CO Calibration Standard user function Zero Calibration Standard user function Power 4 x AAA batteries or supplied Universal AC adaptor Meter dimensions 113 x 108 x 53mm (4.4 x 4.3 x 2.1 in.) LCD display dimensions 48 x 28mm (1.9 x 1.1 in.) Weight 159g (5.6 oz.) Copyright © 2014 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form www.extech.com 7 CO30 USER GUIDE CO30‐en‐GB_v1.6 12/14 ...
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