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Table of Contents
Related Manuals for Fluke 922
Summary of Contents for Fluke 922
- Page 1 ® Airflow Meter Users Manual PN 2683880 November 2006 Rev.1, 12/07 © 2006-2007 Fluke Corporation, All rights reserved. Printed in Taiwan. Product specifications are subject to change without notice. All product names are trademarks of their respective companies.
- Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for two years from the date of purchase. This warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal condi- tions of operation or handling.
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Page 3: Table Of Contents
Introduction...1 Safety Information and Symbols...2 Contacting Fluke ...4 Pushbutton Functions...5 Display ...7 Using the Meter ...9 Power ...9 Measurement Units...9 Backlight ...9 Automatic Power Off...9 Temperature ...10 Secondary Menu Modes ...10 Zero ...10 Min Max Avg ...10 Hold ...11 Saving Samples ...11... - Page 4 Users Manual Measuring Differential Pressure ... 12 Measuring Velocity ... 14 Velocity Measurement ... 14 Measuring Flow ... 16 The Setup Menu ... 17 Clearing Sample Data ... 18 Recall ... 19 Maintenance ... 19 Cleaning... 20 Replacing the Batteries... 20 Specifications ...
- Page 5 Table International Symbols... 3 Pushbuttons ... 6 Display Description ... 8 List of Tables Title Page...
- Page 6 Users Manual...
- Page 7 Figure 922 Airflow Meter ... 5 Display ... 7 Differential Pressure Measurement ... 13 Pitot Tube Connection... 15 Replacing the Batteries..21 List of Figures Title Page...
- Page 8 Users Manual...
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Page 9: Introduction
Introduction The Fluke 922 Airflow Meter (“the Meter”) is a handheld instrument that measures differential pressure and calculates air velocity and air flow. The Meter ships with the following items: Holster Carrying case Tubing and tubing strap Four AA Batteries (installed) -
Page 10: Safety Information And Symbols
Inspect the Meter before use. Do not use it if it appears damaged. The Meter contains no user-serviceable parts. Do not open the Meter. For service, the Meter must be sent to Fluke. See “Contacting Fluke”. Have the Meter serviced only by qualified service personnel. -
Page 11: International Symbols
Conforms to EU directives Table 1. International Symbols Symbol Recycling information Conforms to Australian standards Do not dispose of this product as unsorted municipal waste. Contact Fluke or a qualified recycler for disposal. Airflow Meter Safety Information and Symbols Description... -
Page 12: Contacting Fluke
Users Manual Contacting Fluke To contact Fluke, use one of the following telephone numbers: USA: 1-888-99-FLUKE (1-888-993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402-675-200 Japan: +81-3-3434-0181 Singapore: +65-738-5655 Anywhere in the world: +1-425-446-5500 Or visit Fluke’s Web site at: www.fluke.com. Register the Meter at:... -
Page 13: Pushbutton Functions
Pushbutton Functions Figure 1 and Table 2 explain the Meter’s pushbuttons. Figure 1. 922 Airflow Meter Airflow Meter Pushbutton Functions eog02.eps... -
Page 14: Pushbuttons
Users Manual Pushbutton Power button. Press to turn the Meter on or off. Hold for 5 seconds to display Meter’s firmware version. Activates velocity mode. See “Measuring Velocity”. Turns the backlight on and off. Activates flow mode. See “Measuring Flow”. Calculates average of stored values. -
Page 15: Display
Display Figure 2 and Table 3 describe the display. Figure 2. Display Airflow Meter Display eog01a.eps... -
Page 16: Display Description
Users Manual Shift key is in use and secondary menu functionality is engaged Hold is engaged Annunciators showing that sample memory is being accessed and the number of samples Indicates that a stored sample (or all samples) is about to be deleted from memory Units of pressure, velocity, and flow Units of length and temperature Digits for temperature and setup parameters... -
Page 17: Using The Meter
Using the Meter Power To turn Meter power on or off, press O Meter power is provided by four AA batteries. To replace the batteries, see “Maintenance”. Measurement Units The Meter supports both Metric and US measurement units. Select the desired measurement type using the Setup menu. -
Page 18: Temperature
Users Manual Temperature Ambient temperature is displayed on the Meter as a reference. The temperature can be displayed in either C or F. See "The Setup Menu". Secondary Menu Modes Use A with other select pushbuttons to shift to secondary menu modes and functions: Press A and then H to access the Clear functions. -
Page 19: Hold
intermittent readings, record maximum and minimum readings while you are away or when you cannot watch the Meter. To use Min Max mode, press press of steps through the minimum, average, and live readings, and back to the maximum reading. To exit Min Max mode, press the Auto-off feature is automatically disabled. -
Page 20: Measuring Differential Pressure
Users Manual Press G, P, V or F to exit calculate mode. If the memory is full (99 samples have been stored), more samples cannot be stored. If the user attempts to store another sample, the Meter flashes "Full" and does not save new readings. Measuring Differential Pressure To measure differential pressure, do the following, see Figure 3: Press P to enter the pressure mode. - Page 21 Airflow Meter Measuring Differential Pressure eog05.eps Figure 3. Differential Pressure Measurement...
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Page 22: Measuring Velocity
Users Manual Measuring Velocity The Meter uses standard ambient conditions (temperature =21.1 C/70 F, barometric pressure = 14.7 psia / 1013 mbar), to approximate actual velocity and flow. Velocity Measurement To measure velocity, do the following: Press V to enter Velocity mode. Connect the hoses to the pitot tube and to the Meter. - Page 23 Airflow Meter Measuring Velocity eog03.eps Figure 4. Pitot Tube Connection...
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Page 24: Measuring Flow
Users Manual Measuring Flow Press F. The Meter requests the duct shape and size. The Meter stores the last duct shape and size that is entered. If the duct is different than the stored version, press D or E to find the proper duct type for the measurement (rectangular or round). Press I to select the duct type. -
Page 25: The Setup Menu
HOLD, SAVE, CALCULATE, SHIFT, MIN MAX, ZERO, and SETUP UNITS can be used when measuring pressure, velocity and flow. If Por V is pressed before pressing I for the final time, the Meter will escape the flow setup process and will not save any of the selections made or values entered. The Setup Menu Use the Setup menu to change the following Meter parameters: Pressure units... -
Page 26: Clearing Sample Data
Users Manual Press I to store the change. The Meter beeps to signal that the change has been stored. With each press of I, the menu moves to the next parameter. To exit the Setup menu without changing subsequent parameters, press P, V, or F. Clearing Sample Data The Meter stores data that periodically will need to be cleared. -
Page 27: Recall
Press I to clear all samples. The Meter beeps and the display shows 0 samples. To exit (CLEAR) or (CLEAR ALL) without deleting samples, press P, V, or F before pressing I Recall Press either P, V, or F to recall samples for that mode. Press A. -
Page 28: Cleaning
Users Manual Cleaning Clean only with soap and water. Remove any residue afterwards. Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents. Replacing the Batteries When the low battery symbol appears (B) the meter will not save samples and “bAtt” appears on the display when I is pressed. - Page 29 Airflow Meter Maintenance eog04.eps Figure 5. Replacing the Batteries...
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Page 30: Specifications
Users Manual Specifications Parameter Range Air Pressure ± 4000 Pascal ± 16 in H ± 400 mm H ± 40 mbar ± 0.6 PSI Air Velocity 250-16,000 fpm 1-80 m/s Air Flow 0-99,999 cfm (Volume) 0-99,999 m 0-99,999 l/s Temperature 0 to 50 °C 32 to 122 °F Use of Zero function is required to achieve these specifications. - Page 31 Operating Temperature Storage Temperature Temperature Coefficient Relative Humidity: Non condensing (< 10 C) 90 % RH (10 C to 30 C) 75 % RH (30 C to 40 C) 45 % RH (40 C to 50 C)(Without Condensation) IP Rating Operating Altitude Storage Altitude EMI, RFI, EMC...
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Page 32: Agency Approvals
Users Manual Agency Approvals Conforms to EU directives Conforms to Australian standards Replacement Parts Battery 1.5 V Alkaline Size AA (4) NEDA 15A, IECLR6 Holster Wrist Strap Hoses, 1 black and 1 yellow w/test lead strap Battery Door Battery Door Screw Hard Carrying Case Users Manual Users Manual on CD... -
Page 33: Accessories And Optional Items
Includes: Magnetic Strip, 2 Straps (9 inch and 12 inch), 2 Latch Tabs Fluke 922 Kit Includes: Fluke 922 Airflow Meter, 12 inch pitot tube, TPak Magnetic Strip, TPak Strap, 9 inches, TPak Latch Tab, Four AA Batteries 1.5 V Alkaline,... - Page 34 Users Manual...