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MODEL VM2800 & VM3800
VibraCheck Limited and
VibraCheck II Vibration Meter
Installation Manual MN100003
M
ETRIX
Experience Value
8824 Fallbrook Dr.
Houston, TX 77064, USA
Tel: 1-281-940-1802
After Hours Technical Assistance: 1-713-452-9703
Fax: 1-713-559-9421
E-mail: info@metrixvibration.com
www.metrixvibration.com
MN100003 REV A (12/07/10)
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Related Manuals for Metrix VM2800
Summary of Contents for Metrix VM2800
- Page 1 MODEL VM2800 & VM3800 VibraCheck Limited and VibraCheck II Vibration Meter Installation Manual MN100003 8824 Fallbrook Dr. ETRIX Houston, TX 77064, USA Tel: 1-281-940-1802 Experience Value After Hours Technical Assistance: 1-713-452-9703 Fax: 1-713-559-9421 E-mail: info@metrixvibration.com www.metrixvibration.com MN100003 REV A (12/07/10)
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Page 2: Table Of Contents
Welcome ........................ 3 What is in the box? ....................4 Specifi cations for VibraCheck Limited and VibraCheck II: ........5 General Layout of the VibraCheck II: ..............6 Inside the VibraCheck Limited & VibraCheck II: ........... 7 VibraCheck II Quick Guide: ................... -
Page 3: Welcome
Help Metrix wants to help you get the most from your system. If there is anything else we can do, please feel free to call or Email us. -
Page 4: What Is In The Box
What is in the box? The VibraCheck Limited or VibraCheck II measurement kit comes standard with the following items: Fig A. 1 ea. VibraCheck Limited or VibraCheck II Fig. B. 1 ea. 9 Volt Battery Fig. C. 1 ea. G-Spike probe and magnetic base Fig. -
Page 5: Specifi Cations For Vibracheck Limited And Vibracheck Ii
Specifi cations for VibraCheck Limited and VibraCheck II: Displacement 0- 1999 um, p-p (10 1 kHz BP) (0.00 - 78.7 mil) 0.0 – 1999.9 mm/s, 0-p (10-1 kHz, ISO 2954) (0.00 – Velocity 7.87 in/ sec) Acceleration 0.00 – 19.99 g, rms (10 Hz HP) 0.0 –... -
Page 6: General Layout Of The Vibracheck Ii
General Layout of the VibraCheck II: Accelerometer input ICP Headphone Jack type only. Alpha numeric LCD display 9 Volt battery Keypad MN100003 REV A (12/07/10) Page 6... -
Page 7: Inside The Vibracheck Limited & Vibracheck Ii
Inside the VibraCheck Limited & VibraCheck II: The VibraCheck Limited and VibraCheck II comes equipped with the highest quality components for accurate and repeatable vibration measurements. In the next sections, we will discuss how measurements are detected, fi lters and the reasons for having them. How is the vibration values measured? Internally, a (RMS) Root Mean Square detector is used to process the vibration signals. - Page 8 Typical high pass fi lter Typical band pass fi lter MN100003 REV A (12/07/10) Page 8...
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Page 9: Vibracheck Ii Quick Guide
VibraCheck II Quick Guide: To begin: 1. Press and hold the on/ off button for 4 seconds. Press the on/ off button again to illuminate the display. 2. Connect accelerometer and headphone or optional thermometer if desired. 3. Select desired test you wish to make; Displacement, Velocity or Acceleration. -
Page 10: Display Of The Vibracheck Ii
Display of the VibraCheck II: 1. Bias Indicator status: 2. Numerical value of the 3. Vibration units and 4. Battery Indicator vibration level method of detection Open Short 5. Hold, Gain, 7. Stored data indicator Average or Peak and 6. Storage location label for point storage or V-Pod II only memory review modes –... - Page 11 2. Numerical Value of the vibration level: This is where the vibraiton levels are displayed for the function you have selected. For example, you may have selected hold to “freeze” the numerical display. 3. Vibration units and method of detection: Availalbe units for each selection: Displacement: um (P-P), Mil (P-P) Velocity: mm/s (0-P), mm/s (RMS), in/s (0-P), in./s (RMS) Acceleration: g (RMS), g (0-P), m/s...
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Page 12: Operation Of The Vibracheck Limited And Vibracheck Ii
7. Stored data indicator- VibraCheck II only: In the lower right side of the display, when you see a black bar, indicates a value stored in this location. If this area is left blank, no value is stored at this memory location. Operation of the VibraCheck Limited and VibraCheck II: The VibraCheck Limited and VibraCheck II vibration meters are simple to use but yet very powerful. - Page 13 Gain: Press the gain key to increase the display Resolution. In this mode, the vibration signal will be amplifi ed 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.
- Page 14 BRG: Press the bearing key to activate the high pass fi lter. 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 15 Review Mode 3: By pressing the review key again, you will access the third review mode. This mode shows the letter A along with either 1K or a number. The number listed is the number of points on a scheduled route, whereas the 1K is the default for 1000 available points.
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Page 16: Using Your Vibracheck Limited And Vibracheck Ii
Using your VibraCheck Limited and VibraCheck II: Sensor Mounting: Each VibraCheck Limited and VibraCheck II is equipped with an accelerometer with a high-strength magnetic base and touch spike for sensor mounting. The accelerometer magnetic mount is capable of a wider frequency measurement than the spike. -
Page 17: Vibration Level Defi Nitions
Vibration level defi nitions: The chart below describes vibration levels for various machine types. MN100003 REV A (12/07/10) Page 17... -
Page 18: Setting The Units On Your Vibracheck Limited & Vibracheck Ii
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. In the event that in-fi eld adjustments are necessary, the following procedure describes sensitivity calibration. - Page 19 *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 VibraCheck Limited and VibraCheck II is performed via a set of gain factors. Each gain factor is set at the factory prior to shipment.
- Page 20 The “Crossed-Out Waste Bin” label affi xed to this product is a reminder to dispose of this product in accordance with local WEEE regu- lations. If you have questions about the disposal process, please contact Metrix Customer Services. MN100003 REV A (12/07/10) Page 20...
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