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Summary of Contents for PCE Instruments PCE-VM 400B
- Page 1 PCE-VM 400B Vibration Analyzer User's manual...
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Page 2: Table Of Contents
TABLE OF CONTENTS General Instructions ........................4 Precautions ..........................4 System set ............................ 5 Specifications ..........................6 Basics ............................... 7 Keypad ............................7 Battery charging ........................... 7 Main Menu ........................... 8 Setup Menu ..........................8 Vibration Analyzer. Vibration menu ....................10 Setting Spectrum Analyzer Parameters .................. - Page 3 Setup Balancing parameters ...................... 17 Balancing in one plane ....................... 20 One-Plane Balancing Procedure Overview ................21 Example: Balancing procedure flow (one plane, two points) ............ 21 General ............................25 Safety Precautions ........................25 Laser Safety Precautions ......................25...
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Page 4: General Instructions
Take measures to prevent cables from getting into rotating parts of machines at the measuring point. Do not expose the PCE-VM 400B to strong shocks, high humidity, or extreme temperatures. Do not attempt to open the display as this may damage the system and void your after sales warranty. -
Page 5: System Set
Overview The PCE-VM 400B Vibration Spectrum Analyzer (hereinafter referred to as analyzer) is a compact yet powerful instrument for overall vibration measurements, vibration spectrum analysis of rotating equipment, immediate ISO 10816 evaluation, route and off-route data acquisition, balancing of rotary machinery. Route files and data file sharing via email make it ideal for collecting data from remote sites. -
Page 6: Specifications
Specifications Acceleration Measurement Range +0.001 m/s² ... +200 m/s² Resolution 0.001 m/s² Accuracy ± 5 % Velocity Measurement Range +0.001 mm/s ... +200 mm/s Resolution 0.001 mm/s Accuracy ± 5 % Displacement Measurement Range +0.001 µm ... +2000 µm Resolution 0.001 µm Accuracy ±... -
Page 7: Basics
BASICS Keypad To turn the display unit on and off - press and hold the power button for ~2 seconds. In the event of a system freeze, when the device does not respond to any keys - press and hold the power button for ~ 10 seconds, the system will be reset and restarted. -
Page 8: Main Menu
Main Menu After turning on the device, the main menu is displayed on the screen. To call a menu item - move the cursor to this item and press the key . Setup Menu To invoke the configuration menu - move the cursor and press the button. - Page 9 – to install a license file that enables measurement functions. Press + Feature is navigate to the license file, then press to open on, valid until 01.01.2099 and install the licenses. Serial number – to switch between wireless/cable transducer’s connection. –...
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Page 10: Vibration Analyzer. Vibration Menu
– Adjusting the brightness of the display backlight VIBRATION ANALYZER. VIBRATION MENU Setting Spectrum Analyzer Parameters To enter the analyzer parameters change menu - press Analyzer Main Menu Analyzer parameters change menu Units Move the cursor to Units and click Use the keys to select units of measurement –... -
Page 11: Sensor
Sensor Move the cursor to the Sensor and press Use the keys to select the type of sensor – for example, ICP and press confirm. Setting the Sensor Conversion Factor Move the cursor to the Sensor and press Use the keys to select the sensor parameter that you want to change, such as Serial Number (C/N), and then press... -
Page 12: Setting The Lpf Cut-Off Frequency
Setting the LPF cut-off frequency Move the cursor to the LPF and press Use the keys to select the desired LPF frequency – e.g. 800 Hz and press confirm. Setting the number of FFT lines Move the cursor to the FFT and press Use the keys to select the required number of FFT lines –... -
Page 13: Trigger Type
Trigger Type Move the cursor to Trigger and press Use the keys to select the desired type of measurement start – for example Free run and press to confirm. Set the Averaging mode Move the cursor to Averaging and press Use the keys to select the desired... -
Page 14: Starting A Measurement
Starting a Measurement Install the sensors on the measurement object and press the key. Controls in measurement mode - Switching between FFT and Time function modes - stop/resume measurement - select the channel in which the cursor is active - cursor movement (measurement must be stopped by pressing - setting the cursor to the maximum harmonic of the spectrum - cursor type switching –... - Page 15 to select a disk to select a folder to open a folder to move up one level to create a new folder for ON/OFF generation of reports in PDF format Press to write a report file with a default name Press to edit the file name, then click to write the file...
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Page 16: Route-Based Measurements
Route-based measurements Use ConSpect software to create a route and upload the route file to the device Go to the Vibration/Route menu, press Device will enter the file explorer. Open the folder with the route file, place the cursor on the ROUTES.SRC file and click to review or randomly select route points Set the sensor at the measurement point and press... -
Page 17: Balancing
BALANCING Setup Balancing parameters Enter Balancing function. to choose parameter to setup. Press to edit parameter value. Set RPM of the machine at which balancing will be conducted. It is also possible to run tachometer measurement to get actual machine RPM. Press to do so, then press to apply measured RPM. - Page 18 If actual RPM and balancing RPM differs by more than 5% device will display error message while measurement is in progress Set number of Planes (where correction weights will be attached) and number of Points (where the accelerometer will be measuring the vibration levels) Set number of channels used to take readings.
- Page 19 Correction weights can be attached at any angular position - Free Loc. Or at Fixed Locations (e.g., at the fan blades). Number of Fixed locations can be set in the range of 3 to 18 locations. Balancing program assumes that angles (and fixed location numbering) are aways calculated counter wise machine rotation direction! Data source should be set to Sensor.
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Page 20: Balancing In One Plane
Balancing in one plane SAFETY PRECAUTIONS Vibration measurement and balancing involves measurement on rotating machines. Always keep a safe distance to rotating parts and secure transducers and transducer cables from rotating parts. Balancing involves mounting of trial and balancing weights on the rotor. Always secure the start switch with a locker and use the emergency switch for double safety before working with the rotor. -
Page 21: One-Plane Balancing Procedure Overview
One-Plane Balancing Procedure Overview Run 0 - the initial vibration (unbalance) measurement. Run 1 – vibration measurement with trial weight attached in plane A Stop the machine, attach calculated correction weight at the specified angle on balance planes A. Trim run 1… – Start the machine and measure residual vibration level. Once measurement stopped device will calculate trim weight, to further reduce the vibration. - Page 22 Confirm reading is accepted. Press Stop the machine. Attach the trial weight. Enter trial weight and angle, at which it is attached. Press Start the machine. Press Wait reading to stabilize. Press Confirm reading is accepted.
- Page 23 Stop the machine. Now one needs to decide whether to keep or remove the trial weight from Plane #1. E.g. trial weight can remain attached if vibration levels decreased. Chose option and press Device displays calculated correction weight to be attached to eliminate disbalance.
- Page 24 Device displays calculated trim weight to be attached to further eliminate disbalance.
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Page 25: General
INJURY RESPONSIBILITY DISCLAIMER Neither PCE Instruments nor our authorized dealers are liable for the damages caused to machinery or equipment by use of the system. We carefully check text of this manual to eliminate errors, nonetheless there may be mistakes or inaccuracy involved.
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