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VM2800 & VM3800 VIBRA-CHECK® METERS
Installation Manual
Doc#
100085 • REV F
(Jan 2024)
OVERVIEW
The economical and compact VIBRA-CHECK®
Vibration Meter is an ideal tool for obtaining
spot measurements of machinery vibration.
All three useful measurements are possible.
Displacement, velocity, and acceleration
modes allow a user to perform basic vibra-
tion analysis. The robust high temperature
accelerometer sensor has a removable
magnetic mounting base for attachment of
a stinger. The sensor is internally protected
against thermal shock, electrical noise and
amplitude overload. The handy carrying
pouch keeps the meter out of the way,
yet ready for use. When it's time to take a
reading, simply place the accelerometer on
your machine and tilt the pouch up to view
display.
The VM3800 has all the basic features of
the VM2800 plus storage measurement
capability.
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Table of Contents
Related Manuals for Metrix VIBRA-CHECK VM2800
Summary of Contents for Metrix VIBRA-CHECK VM2800
- Page 1 VM2800 & VM3800 VIBRA-CHECK® METERS Installation Manual OVERVIEW The economical and compact VIBRA-CHECK® Vibration Meter is an ideal tool for obtaining spot measurements of machinery vibration. All three useful measurements are possible. Displacement, velocity, and acceleration modes allow a user to perform basic vibra- tion analysis.
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Page 2: What Is In The Box
WHAT IS IN THE BOX? The measurement kit comes standard with Accelerometer input the following items: • VM2800 VIBRA-CHECK® Limited ICP type only or VM3800 VIBRA-CHECK® II • 9 Volt Battery • G-Spike probe and magnetic base • Coiled Accelerometer cable •... - Page 3 Typical band pass filter VM3800 VIBRA-CHECK II QUICK GUIDE ® 1. Press and hold the on/ off button for 4 seconds. Press the on/ off button again to illumi- nate the display. 2. Connect accelerometer and headphone or optional thermometer if desired. 3.
- Page 4 DISPLAY OF VM3800 VIBRA-CHECK ® Vibration units and Numerical value of the Bias Indicator method of detection vibration level Battery Indicator Stored data indicator V-Pod II only Hold, Gain, Average or Peak Storage location label for point storage or route and memory review modes –...
- Page 5 Battery Indicator: The battery indicator is located on the right side of the display, illustrating the battery condition. Change the battery immediately if you observe a low condition. Battery Installation: The VM2800 VIBRA-CHECK® Limited and VM3800 VIBRA-CHECK® II is powered by a 9V alkaline battery. When installing the battery, use a screwdriver to remove the batery compartment cover.
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Page 6: Operation
OPERATION The VM2800 VIBRA-CHECK® Limited and VM3800 VIBRA-CHECK® II vibration meters are simple to use but yet very powerful. Each function has a distinct purpose and is shown on the display. We will review each function and it’s use in the following paragraphs. ON/ OFF: Press and hold the ON/Off button for 4 seconds to turn on the meter. - Page 7 Gain: Press the gain key to increase the display Resolution. In this mode, the vibration signal will be amplified by 10 times. When this mode is turned on, you will observe a gain icon in the lower left display. To turn off, press the gain key again. Application tip: This function is very useful for low level vibration measurement.
- Page 8 BRG: Press the bearing key to activate the high pass filter. This will eliminate most frequencies below 500 Hz bandwidth. Therefore you will NOT see any vibration readings below 500 Hz. ** The Bearing function uses velocity method of measurement. The available units are mm/s or in/ s.
- Page 9 number listed is the number of points on a scheduled route, whereas the 1K is the default for 1000 available points. Save: Pressing the save key will overwrite any data stored in a memory location and automatically advance to the next memory location.
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Page 10: Unit Setting
VIBRA-CHECK® II will keep these settings, unless you change them again. SENSITIVITY ADJUSTMENT Each meter is calibrated at the factory prior to shipment, and it is recommended for best results to return the product to Metrix to perform calibration. Doc# (Jan 2024) Page 10 of 12 100085 •... - Page 11 *ICP is a trademark of PCB piezoelectric Inc. CALIBRATION AND FACTORS Calibration should be completed by Metrix Instruments or by authorized dealers only. Calibration of the VM2800 VIBRA-CHECK® Limited and VM3800 VIBRA-CHECK® II is performed via a set of gain factors. Each gain factor is set at the factory prior to shipment.
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Page 12: Calibration Procedure
WEEE) should never be disposed of in the public waste stream. The “Crossed-Out Waste Bin” label affixed to this product is a reminder to dispose of this product in accordance with local WEEE regulations. If you have ques- tions about the disposal process, please contact Metrix Customer Services. info@metrixvibration.com metrixvibration.com 8824 Fallbrook Dr.
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