Fluke 922 Manual de usuario

PN 2683880

November 2006 Rev.1, 12/07

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

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

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

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

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

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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