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OWNER’S MANUAL
CO Meter
2
Model IAQ10
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LIMITATION OF WARRANTY AND LIABILITY Seller warrants the goods sold hereunder, under normal use and service as described in the operator's manual, shall be free from defects in workmanship and material for twenty-four (24) months, or the length of time specified in the operator's manual, from the date of shipment to the customer. This warranty period is inclusive of any statutory warranty. This limited warranty is subject to the following exclusions: a. Hot-wire or hot-film sensors used w
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Table of Contents LIMITATION OF WARRANTY AND LIABILITY ...... ii SECTION 1 General Description .....................................2 SECTION 2 Theory of Operation: NDIR Sensor ...........2 SECTION 3 Safety ..............................................................3 SECTION 4 Setting-Up the Model IAQ10 ......................4 Supplying Power ...........................................................4 Installing the Batteries...................................................4 Using
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SECTION 1 General Description The Model IAQ10 is a hand-held meter to measure Carbon Dioxide (CO ), displayed 2 in units of parts per million (ppm). An NDIR sensor in the top end of the meter measures gas content by diffusion through sensing holes. The IAQ10 ships in a pouch that provides a small amount of protection to the display and the sensing holes in the top of the instrument case. The instrument ships with batteries (which are not installed), a calibration sheet, and this
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concentrations. This technique is called non-dispersive infrared (NDIR) detection. SECTION 3 Safety When using the IAQ10 to check for CO 2 values, make certain that you can safely raise and hold the instrument while making measurements. Be especially careful when working on a ladder. Observe all necessary precautions so that the unit does not become caught in moving machinery or touch any exposed electrical wiring. DANGER! Use with corrosive or other dangerous or explosive
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SECTION 4 Setting-Up the Model IAQ10 Supplying Power The IAQ10 can be powered in one of two ways: four AA-size batteries or the optional AC adapter. Installing the Batteries Insert four AA batteries as indicated by the diagram located on the inside of the battery compartment. The Model IAQ10 is de- signed to operate only with alkaline batteries. When 15% battery life is remain- ing, the battery indicator will blink, indicating the batteries need to be changed. At 0%, “LO” will di
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SECTION 5 Operation of the Model IAQ10 Note: Do not hold the instrument close to your face. Humans exhale CO and this will affect 2 the accuracy of the readings. When pressing the keys on the keypad, the Model IAQ10 will beep to confirm the function. If you press a key and the Model IAQ10 does not beep, the Model IAQ10 does not allow that function during the selected mode. (See Section 9 for informa- tion on disabling this feature through an internal DIP switch.) ON/OFF Key P
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calibration. When the Model IAQ10 completes the internal self-check, it will display the approximate percentage of battery life remaining. Note: The sensor needs up to 10 minutes to stabilize in still air before displayed readings can be considered accurate. Moving the instrument may decrease this stabilization time. READ Key Carbon dioxide concentrations will be displayed in parts per million (ppm). The IAQ10 can be left in a room to monitor general conditions, but it is import
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The display updates every second and each reading is the average of five samples. ( 5) Key The instrument only displays CO . 2 RECALL ( 6) Key Press the RECALL key repeatedly to display: minimum value (MIN), maximum value (MAX), average value (AVG), and number of seconds sampled (COUNT). Press the READ key to return to normal measuring mode. The instrument does not store readings. The information viewed in the recall mode is for the sample reading just taken. Once a new sam
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SECTION 6 Maintenance of the Model IAQ10 The Model IAQ10 requires very little maintenance to keep it performing well. Case If the instrument case or storage case needs cleaning, wipe it off with a soft, damp cloth. Never submerge the IAQ10 in any liquid or allow any liquid to enter the sensing holes. Storage When storing the Model IAQ10 for more than a month, TSI recommends removing the batteries. This prevents possible damage due to battery leakage. SECTION 7 Service Inf
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Before sending your instrument for calibration or repair, you should call Customer Service. The service department will provide you with the cost of service or calibration, Return Material Authorization (RMA) number, and shipping instructions. Please have the following information available when you call: • Owner’s name, address, and phone number • Billing address, if different and applicable • Instrument name and model • Serial number • Date of purchase • Where purchased TSI rec
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you with a NIST (US National Institute of Standards and Technology) traceable certificate. This “annual checkup” assures you of consistently accurate readings; it is especially important in applications where strict calibration records must be main- tained. Send the instrument to TSI Instruments Ltd. prepaid. Securely package your instrument in a strong container sur- rounded by at least 5 cm of suitable shock- absorbing material. Include a purchase order that clearly shows the instru
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1. Turn the instrument off. Under the batteries, move DIP switch # 7 to ON. Turn the instrument back on. 2. Press and hold the READ key to begin the calibration procedure. The display will begin a countdown from 5 to 0. Release the key when the display reads 0. If the key is released too soon or too late, the instrument will go back to sam- pling in real-time. “ZerO” will appear on the display if the instrument is in calibration mode. 3. Install the regulator on the zero calibra- tion
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indicates “SPAN” and the span concen- tration. 6. Install the regulator on the span calibra- tion cylinder and connect tubing from the regulator to the inlet fitting on the top of the Model IAQ10. 7. Use 5 and 6 to adjust the concentra- tion displayed on the Model IAQ10 to match the concentration on the span gas cylinder. 8. Press and release the READ key to take a span gas reading. The Model IAQ10 starts a 60-second countdown. When the countdown reaches zero, the instrument returns t
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SECTION 8 Troubleshooting of the Model IAQ10 This table lists the symptoms, possible causes, and recommended solutions for the Model IAQ10. Possible Corrective Symptom Causes Action(s) No display Unit not Switch on the switched on unit Low or dead Replace the batteries batteries Dirty battery Clean the contacts battery contacts Batteries Refer to installed battery incorrectly illustration inside battery cover BAT is Dirty battery Clean the blinking contacts battery Ba
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Possible Corrective Symptom Causes Action(s) Display Batteries are Replace the reads “LO” low batteries Note: If your symptoms are not remedied by the suggested corrective action, call TSI Instruments Ltd. SECTION 9 Internal DIP Switch Settings To access the DIP switches, remove the batteries from the battery compartment. On the inside of the battery compartment, there is a window with eight DIP switches. The table below shows the functions for each switch. CAUTION: Ma
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DIP Switch OFF ON 1-3 Must be OFF ----- 4 not assigned not assigned 5 not assigned not assigned 6 Beep is turned Beep is turned OFF ON 7 Normal mode Field Verifica- tion mode 8 not assigned not assigned - The ON position is away from the batteries and OFF is towards the batteries. - Switch 1 is towards the top of the case and Switch 8 is nearest the bottom. 15
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Specifications (subject to change without notice) CO Sensor type: 2 Dual wavelength detector with non- dispersive infrared (NDIR) sensor Range: 0 to 5000 ppm Accuracy ±3% of reading or ±50 ppm, whichever 1, 2 is greater Resolution 1 ppm Response time <10 minutes in still air Operating Temperature Range: 5 to 70°C External Meter Dimensions: 89 mm × 168 mm × 41 mm Display: LCD, 4 digits, 10-mm high Power requirements: Four (4) AA-size alkaline batteries Ba
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TSI Instruments Ltd. October 2005 Lancaster Road Printed in USA Cressex Business Park Part No. 1980532, Rev. A High Wycombe Buckinghamshire Tel: +44 (0) 149 4 459200 HP12 3QP England Fax: +44 (0) 149 4 459700 E-mail: info@airflowinstruments.co.uk Copyright © 2005 Web: www.airflowinstruments.co.uk TSI Incorporated
