Fluke 923 Bedienungsanleitung
PN 4024518
September 2011
© 2011 Fluke Corporation. All rights reserved. Printed in Taiwan.
Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
923
Air Velocity 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 conditions of operation or
handling. Resellers are not authorized to extend any other
warranty 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 CONSEQUENTIAL 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 ...................................................... 2
Symbols ..................................................................... 2
Features..................................................................... 3
Product Use ............................................................... 3
The Display ............................................................. 6
Buttons .................................................................... 8
Auto Power Off ........................................................ 9
Velocity Probe ......................................................... 9
IR and RF Communication ...................................... 12
Air Velocity and Flow............................................... 12
Measure Velocity .................................................. 12
Measure Flow ....................................................... 13
Samples .................................................................. 14
Measurement Units ................................................. 14
Velocity Alarm ......................................................... 16
Clear All................................................................... 16
Recall ...................................................................... 17
Calculate Average ................................................... 17
Maintenance .............................................................. 17
Clean the Product.................................................... 18
Change the Batteries............................................... 18
How to Contact Fluke................................................. 21
Specifications............................................................. 22
923
Users Manual
ii
Electrical Specifications .......................................... 22
Mechanical Specifications ...................................... 23
Environmental Specifications.................................. 23
Safety Compliance.................................................. 24
Miscellaneous Specifications.................................. 24
1
Introduction
The 923 Air Velocity Meter (the Product) is a handheld, indoor-air
quality diagnostic instrument. It uses a probe that can be used
while attached to the Product or in wireless mode away from the
Product base.
The Product measures, calculates, and displays:
•Air temperature measured in Celsius (°C) or Fahrenheit (°F).
•Air velocity (actual) measured in m/s or fpm.
•Flow rate displayed in l/s, cfm or m3/hr.
•Average indications for temperature, velocity, and flow.
923
Users Manual
2
Safety Information
XWWarnings
To prevent possible electrical shock, fire, or
personal injury:
•Use the Product only as specified, or the
protection supplied by the Product can be
compromised.
•Do not use the Product around explosive gas,
vapor, or in damp or wet environments.
Symbols
Symbols used in this manual and on the Product are shown in
Table 1.
Table 1. Symbols
Symbol Meaning
WRisk of danger. Important information. Refer to
manual.
PConforms to relevant European Union directives
~Do not dispose of this product as unsorted
municipal waste. Go to Fluke’s website for
recycling information.
MBattery
©Wireless mode is active.
Air Velocity Meter
Features
3
Features
The Product features:
•A wireless telescopic probe
•LED backlight
•Auto power off
•Low-battery indicator
•Velocity alarm
•US and Metric measurement options
•Single-point and continuous data log options
•Probe sensor cover
•Protective case
Product Use
The subsequent sections tell you how to use the Product. Figure 1
and Table 2 show the buttons, indicators, and sensors on the
Product.
923
Users Manual
4
SAVE
1
2
3
4
5
6
8
9
11
12
13
7
14
10
grx001.eps
Figure 1. The Product
Air Velocity Meter
Product Use
5
Table 2. The Product
Item Description Item Description
Display (LCD) Shift button
Power button Save button. Push Shift
to set air velocity alarm.
Backlight button IR Sensor
Velocity button. Push
Shift to set Units.
Save button
Flow button. Push Shift
to enter barometric
pressure.
Wireless indicator.
Flashes in wireless
mode.
Enter button. Push Shift
to recall saved records.
Telescopic probe
Calculate Average
button. Push Shift to
clear all saved samples.
Velocity sensor
923
Users Manual
6
The Display
Figure 2 and Table 3 show the display.
43 5
6
7
8
9
11
12
13
141516
17
18
19
21
22
20
10
1 2
grx002.eps
Figure 2. Display
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