Fluke 820-2 User manual

September 2014
© 2014 Fluke Corporation. All rights reserved. Specifications are subject to change
without notice. All product names are trademarks of their respective companies.
820-2
Stroboscope
Users Manual
99 Washington Street
Melrose, MA 02176
800.517.8431
TestEquipmentDepot.com

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.
11/99

i
Table of Contents
Title Page
Introduction ................................................................ 1
How to Contact Fluke ................................................. 1
Safety ......................................................................... 2
Symbols ..................................................................... 3
Standard Equipment .................................................. 4
Features ..................................................................... 5
Auto Off ................................................................... 8
Low-Battery Indicator .............................................. 8
Product Use ............................................................... 9
Default Settings ....................................................... 9
Setup Menu ............................................................. 10
Range ...................................................................... 10
External Trigger ....................................................... 11
Maintenance .............................................................. 11
How to Clean the Product ....................................... 12
How to Change the Batteries .................................. 12
Specifications ............................................................. 14
Mechanical Specifications ....................................... 14
Environmental Specifications .................................. 14
Miscellaneous Specifications .................................. 16

820-2
Users Manual
ii

iii
List of Tables
Table Title Page
1. Symbols ..................................................................... 3
2. The Product ............................................................... 6
3. Display ....................................................................... 7
List of Figures
Figure Title Page
1. The Product ............................................................... 5
2. External Trigger Connector Polarity ........................... 11
3. Battery Replacement ................................................. 13

820-2
Users Manual
iv

1
Introduction
The 820-2 Stroboscope (the Product) uses an adjustable LED
strobe light to show the movement of mechanical parts. The
frequency range is 30 flashes per minute (FPM) to 300,000 FPM.

820-2
Users Manual
2
Safety
A Warning identifies conditions and procedures that are dangerous
to the user.
 Warning
To prevent possible personal injury:
•Read all safety information before you use the
Product.
•Carefully read all instructions.
•Use the Product only as specified, or the
protection supplied by the Product can be
compromised.
•Do not touch the moving target object when you
use the Product. In stroboscopic light, object
movement can appear still or slowed.
•Do not use the Product around explosive gas,
vapor, or in damp or wet environments.
•Do not use the Product around personnel that
are susceptible to epileptic seizures.
•Do not use the Product if it is damaged.

Stroboscope
Symbols
3
Symbols
Symbols used in the manual or on the Product are shown in Table 1.
Table 1. Symbols
Symbol Definition
 Risk of danger. Important information. See manual.
 Battery
 Conforms to relevant Australian EMC standards.
 Conforms to European Union directives.
 Conforms to relevant South Korean EMC Standards.

This product complies with the WEEE Directive
(2002/96/EC) marking requirements. The affixed label
indicates that you must not discard this
electrical/electronic product in domestic household
waste. Product Category: With reference to the
equipment types in the WEEE Directive Annex I, this
product is classed as category 9 "Monitoring and
Control Instrumentation" product. Do not dispose of
this product as unsorted municipal waste. Go to
Fluke’s website for recycling information.

820-2
Users Manual
4
Standard Equipment
If an item below is missing or damaged, contact Fluke. The Product
comes with:
• Quick Reference Guide
• Safety Information
• International Registration Card
• Statement of Quality
• Hard Case
• AA Batteries (3)
• External Trigger Input Connector