Fluke 922 Bedienungsanleitung
®
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.
922
Airflow Meter
Users Manual
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. Resellers are not authorized to extend any other war-
ranty on Fluke’s behalf. To obtain service during the warranty period, contact your
nearest Fluke authorized service center to obtain return authorization information, then
send the product to that Service Center with a description of the problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS
FITNESS FOR A PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE
IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUEN-
TIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since
some states or countries do not allow the exclusion or limitation of an implied warranty
or of incidental or consequential damages, this limitation of liability may not apply to
you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99
i
Table of Contents
Title Page
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
922
Users Manual
ii
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 ............................................................................................. 22
Agency Approvals................................................................................... 24
Replacement Parts..................................................................................... 24
Accessories and Optional Items ................................................................. 25
iii
List of Tables
Table Title Page
1. International Symbols........................................................................... 3
2. Pushbuttons ......................................................................................... 6
3. Display Description .............................................................................. 8
922
Users Manual
iv
v
List of Figures
Figure Title Page
1. 922 Airflow Meter ................................................................................. 5
2. Display ................................................................................................. 7
3. Differential Pressure Measurement...................................................... 13
4. Pitot Tube Connection.......................................................................... 15
5. Replacing the Batteries. ....................................................................... 21
922
Users Manual
vi
1
922
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)
•Users Manual
•Wrist Strap
922
Users Manual
2
Safety Information and Symbols
A WCaution identifies conditions and actions that may damage the Meter. A WWarning
identifies conditions and actions that pose hazard(s) to the user.
XWWarning
To avoid injury, or damage to the Meter, follow these safety guidelines:
•Read the entire Users Manual before using the Meter.
•Use the Meter only as described in the Users Manual or the protection
provided by the meter may be impaired.
•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.
•Adhere to local and national safety codes. Individual protective
equipment must be used to prevent injury.
WCaution
To avoid possible damage to the Meter, avoid using the Meter in an
excessively dirty or dusty atmosphere. Excessive particle intake can
damage the Meter.
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