820-2 Stroboscope Users 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.
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.
Table of Contents Title Page Introduction ................................................................ How to Contact Fluke ................................................. Safety ......................................................................... Symbols ..................................................................... Standard Equipment .................................................. Features ..................................................................... Auto Off ...............
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List of Tables Table 1. 2. 3. Title Page Symbols ..................................................................... 3 The Product ............................................................... 6 Display ....................................................................... 7 List of Figures Figure 1. 2. 3. Title Page The Product ............................................................... 5 External Trigger Connector Polarity ........................... 11 Battery Replacement ................
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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.
20-2 Users Manual Safety A Warning identifies conditions and procedures that are dangerous to the user. Warning To prevent possible personal injury: 2 • 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.
Stroboscope Symbols 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.
820-2 Users Manual Standard Equipment If an item below is missing or damaged, contact Fluke.
Stroboscope Features Features Figure 1, Table 2, and Table 3 show the Product. 1 2 5 3 6 7 4 8 9 gsh01.eps Figure 1.
820-2 Users Manual Table 2. The Product Item 6 Description Display Power Button- Push to turn on the Product. Push and hold for 2 seconds to turn off the Product. Push to divide the current set value by two. The scroll speed increases when is continuously held down. External trigger connection Setup- Push to move between different settings and modes. Push to double the current set value. Speed of the scroll increases when this button is held down.
Stroboscope Features Table 3. Display 13 12 1 11 2 10 9 3 4 8 5 7 6 gsh02.eps Item Description Adjustable pulse width in microseconds (μs). Adjustment is accessed in the Setup Menu. Adjustable pulse width in degrees. Adjustment is accessed in the Setup Menu. Primary display. Six digits with decimal. Set external trigger edge to 0 for positive and 1 for negative. Adjustment is accessed in the Setup Menu. External trigger input is connected.
820-2 Users Manual Table 3. Display (cont.) Item Description Low battery. Replace the battery. Flashes per minute (FPM), default at power up. Pulse delay in degrees (Phase degree). Adjustment is accessed in the Setup Menu. Item Description 1/min or RPM for external trigger input. Flashes per second. Adjustment is accessed in the Setup Menu. Pulse delay in milliseconds (ms). Adjustment is accessed in the Setup Menu.
Stroboscope Product Use Product Use The subsequent sections tell you how to use the Product. Push to turn on the Product. Push and hold for 2 seconds to turn off the Product. Default Settings To set the Product to the default settings, push and hold and . The default settings are: • 1000 FPM • 16.7 Hz • 333 Pulse μs • 2.
820-2 Users Manual Setup Menu When you push , the display shows the Setup menu. From the Setup menu, you can change these parameters: • Hz setting – Adjust the flashes per seconds in Hz. • Pulse width in μs () – Adjust the flash intensity in microseconds of pulse width. • Pulse width in degrees () – Adjust the flash intensity in degrees of flash rate. • Delay in ms () – Adjust the delay time in milliseconds between internal trigger and flash.
Stroboscope Maintenance External Trigger Use the External Trigger Input Connector for outside trigger sources. When the Connector is plugged into the Product (see Figure 1, item ) the Product displays . Table 3 shows what options are available when an external trigger is used. For Connector polarity information, see Figure 2. - + gsh04.eps Figure 2. External Trigger Connector Polarity Maintenance Caution The Product contains no user-serviceable parts.
820-2 Users Manual How to Clean the Product Regularly clean the case with a damp cloth and mild detergent. Caution To prevent damage to the Product, do not use abrasives or solvents to clean the Product case. How to Change the Batteries The Product is energized by three AA (LR6) batteries. When the low battery symbol shows on the display (), replace the batteries. See Figure 3. Caution To prevent damage to the Product: 12 • Be sure that the battery polarity is correct to prevent battery leakage.
Stroboscope Maintenance gsh03.eps Figure 3.
820-2 Users Manual Specifications Mechanical Specifications Size (H x W x L) .................. 5.71 cm x 6.09 cm x 19.05 cm (2.25 in x 2.4 in x 7.5 in) Weight .... ............................ 0.24 kg (0.53 lb) Environmental Specifications Operating Temperature ....... 0 °C to +45 °C (+32 °F to +113 °F) Storage Temperature .......... -10 °C to +50 °C (+14 °F to +122 °F) Operating Humidity ..........
Stroboscope Specifications Safety ................................. IEC 61010-1:Pollution Degree 2 Electromagnetic Environment ....................... IEC 61326-1:Industrial Group1 ISM equipment: group 1 contains all ISM equipment in which there is intentionally generated and/or used conductively coupled radio-frequency energy which is necessary for the internal functioning of the equipment itself.
820-2 Users Manual Miscellaneous Specifications Battery Type ........................ 3 x AA Alkaline LR6 Flash Frequency Range ............................. 30 FPM to 300,000 FPM 0.5 Hz to 5000 Hz Accuracy ........................ 0.02 % Resolution ....................... 30 FPM to 999 FPM = 0.1 1000 FPM to 300,000 FPM = 1 0.5 Hz to 999 Hz = 0.1 1000 Hz to 5000 Hz = 1 Frequency Setting .............. FPM or Hz Flash Pulse Duration ........................ Adjustable in μs or degrees Delay ................
