Gebruiksaanwijzing /service van het product IAQ10 van de fabrikant Airflow Systems
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CO 2 Meter Model IAQ10 OWNER’S MANUAL.
ii LIMITATION OF WA RRANTY A ND LIABILITY Seller warrants the goods sold hereunder, under normal use and ser vice as described in the operator's manual, s hall be free from defects in work manshi.
1 Table of Contents LIMITATION OF WARRANTY AN D LIABILITY ...... ii SECTION 1 General Descri ption ..................................... 2 SECTION 2 Theory of Opera tion: NDIR Sensor ........... 2 SECTION 3 Safety .....................................
2 SECTION 1 General Description The Model IAQ10 is a hand-held meter to measure Carbon Dioxide (CO 2 ), displayed 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.
3 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.
4 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 optiona l AC adapter. Installing the Batteries Insert four AA batteries as indicated by the diagram located on the inside of the battery compartment.
5 SECTION 5 Operation of the Model IAQ10 Note : Do not hold the instrument close to your face. Humans exhale CO 2 and this will affect the accuracy of the readings. When pressing the keys on the keypad, the Model IAQ10 will beep to confirm the function.
6 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.
7 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 ).
8 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.
9 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 Materia l Authorization (RMA) number, and shipping instructions.
10 you with a NIST (US Na tional 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.
11 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.
12 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.
13 SECTION 8 Troubleshooting of the Model IAQ10 This table lists the symptoms, possibl e causes, and recommended solutions for the Model IAQ10. Symptom Possible Causes Corrective A ction(s) No display.
14 Symptom Possible Causes Corrective A ction(s) Display reads “LO” Batteries are low Replace the batteries Note: If your symptoms are not remedied by the suggested corrective action, call TSI Instruments Ltd. SECTION 9 Internal DIP Sw itch Settings To access the DIP switches, remove the batteries from the battery compartment.
15 DIP Sw itch OFF ON 1-3 Must be OFF ----- 4 not assigned not assigned 5 not assigned not assigned 6 Beep is turned OFF Beep is turned 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.
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Specifications (subject to change without n otice) CO 2 Sensor type: Dual wavelength detector with non - dispersive infrared (NDIR) sensor Range: 0 to 5000 ppm Accuracy ±3% of reading or ±50 ppm, wh.
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.
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