Vibration Meter and Laser Combination Tachometer
Contents
1. 1 Connect the vibration sensor to the meter 2 Turn the meter on and set the function to ACC and RMS 3 Make sure the vibration sensor is perfectly still no vibration 4 Press and hold the HOLD ESC key for gt 2 seconds to allow the display to reach the zero value Advanced Vibration Functions The Advanced Functions Menu allows adjustment for the Auto Power Off feature and Datalogging Sample Rate as well as access to Memory status and to Clear memory 1 Press and hold the HOLD ESC key while powering the unit ON Repeated presses of the HOLD ESC key will scroll through the available functions OFF Auto Power Off SEC Datalogger Sample Rate Cnt Number of data points available in memory CLr Clear Datalogger Memory ESC Exits the Advanced Functions Menu 2 Press the HOLD key to select the OFF function Use the FUNCTION SEND key or UNIT LOGGER key to toggle the setting between 0 and 1 0 disables the Auto Power Off function 1 enables the function Press the ENTER key to save the setting 3 Press the HOLD ESC key to select the SEC function Use the FUNCTION SEND key or UNIT LOGGER key to scroll through the available sample rates 1 2 10 30 60 600 1800 or 3600 seconds Press the ENTER key to save the setting 4 Press the HOLD ESC key to select the Cnt function The display will flash the available Memory points available in the datalogger 5 Press the HOLD ESC key to selec2. contents of the meter s memory to the PC Download Stored Data to PC requires DL2005 software The SEND button is used to send the contents of the meter s internal datalogger memory to the PC via the optional DL2005 software 1 Connect the RS 232 cable to the PC 2 Install and run the DL2005 data logging software 3 Press and hold the SEND button for gt 2 seconds r 232 will flash repeatedly in the display In the DL2005 software press START Press the SEND button again and the data will be sent to the meter s RS 232 port and onto the connected PC 6 Press the ESC button to return to normal operation Specifications Display Sampling Time Datalogger memory Datalogger Sample Time Over range indication Open input indication Low battery indication Power supply Power Consumption Auto Power Off Operating Temperature Operating Humidity Storage Temperature Storage Humidity Dimensions Weight Complies with Dual Display Multi function LCD Approximately 1 second 1000 point memory 0 manual 1 2 10 30 60 600 1800 and 3600 sec OL appears on the LCD 0 appears on the LCD Battery symbol appears on the LCD 4x 1 5V AA Batteries Vibration approximately 10 5 mA Tachometer approximately 21 mA On Off selectable 32 to 122 F 0 to 50 C less than 80 RH 14 to 140 F 10 to 60 C 10 to 80 RH Meter 7 4 x3 0x1 8 188x75 5x46 8mm Probe 18 mm diameter 40 mm height Meter 0 8
3. min 0 1 m min 100 m min 0 05 1d 1 1d 461880 V2 2 8 09 Warranty EXTECH INSTRUMENTS CORPORATION A FLIR COMPANY warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech
4. 7 Ibs 397g Probe 0 24 Ibs 110g FDA 21 CFR 1040 10 and 1040 11 IEC 60825 1 2001 08 Edition 1 2 EN 60825 1 1994 A2 2001 A1 2002 10 461880 V2 2 8 09 Vibration Functions P Accuracy Range Resolution of reading 0 5 to 199 9m s 0 1m s Acceleration 5 2 digits RMS or Peak 0 05 to 20 39G 0 01G 5 3 160HZ amp 80HZ 2 to 656ft s ft s Calibration point 50 m s 160Hz 0 5 to 199 9mm s 0 1mm s 5 2 digits igi Velocity 0 05 to 19 99cm s 0 01cm s P E RMS or Peak 0 02 to 7 87in s 0 01in s Calibration point 50mm s 160Hz Dispia em nt 0 005 to 1 999mm 0 001mm 5 2 digits 0 002 to 0 078in 0 001in 160HZ amp 80HZ peak to peak Calibration point 0 14mm 160Hz Frequency Range 10 Hz to 1 kHz meets ISO 2954 Tachometer Functions Range Resolution Accuracy rdg Photo Tachometer Contact Tachometer 0 1 rpm lt 1000rpm PE 0 5 to 19 999 rpm 1 rpm 21000 rpm Surface 0 1 ft min lt 1000ft min 0 2 to 6560 ft min 4 fimin gt 1000ft min Surface 0 05 to 1999 9 Speed m min 2 to 59 50 to 1 500mm typical specified using a 10mm square of reflecting tape at 1 800rpm The max and min detecting distance will change with environmental conditions reflecting tape or speeds above 1800rpm Photo Tachometer Detecting Distance 10 to 99 999 rpm 0 1 rpm lt 1000rpm 11 1 rpm 21000 rpm 0 01 m min lt 100m
5. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY Vibration Meter and Laser Combination Tachometer Model 461880 Introduction Congratulations on your purchase of the Extech 461880 Vibration Meter and Combination Laser Tachometer The 461880 Vibration functions have a frequency sensitivity that meets ISO 2954 and measure Acceleration Velocity and Displacement A 1000 point datalogger allows recording of data for download to a pc with included software The Tachometer functions provide contact RPM and Linear Surface Speed as well as non contact RPM measurements The 461880 is shipped fully tested and calibrated and with proper use and care will provide years of reliable service Features Vibration Function Features Measures Acceleration from 0 5 to 199 9 m s 0 05 to 20 39 G or 2 to 656 ft s Measures Velocity from 0 5 to 199 9mm s 0 05 to 19 99 cm s or 0 02 to 7 87 in s Measures Displacement from 0 005 to 1 999 mm or 0 002 to 0 078 inches RMS measurements for Acceleration and Velocity Peak to Peak measurements for Displacement Peak function for Acceleration and Velocity Max Hold function for Acceleration Peak Velocity Peak and Displacement Peak to Peak Frequency range from 10 Hz to 1 kHz meets ISO 2954 standards Zero function 1000 point datalogger with adjustable sample rate Hold function freezes measured value on display MAX MIN function to record maximum and minimum measured values Aut
6. also provides NIST certification for most products Call the Customer Care Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy Sat Ai Support line 781 890 7440 Technical Support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corporation 285 Bear Hill Road Waltham MA 02451 Copyright 2009 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 12 461880 V2 2 8 09
7. ds and displays the maximum value The display will update only when a new maximum is measured Not available in the Displacement mode 4 MAX HOLD Holds and displays the maximum Peak to Peak value Available in Displacement mode only 5 To clear the MAX HOLD or PEAK MAX HOLD values press the HOLD ESCAPE key for more than 2 seconds This will zero the display and restart the MAX HOLD or PEAK MAX HOLD function DATA HOLD To freeze the LCD display momentarily press the HOLD ESC key The HOLD icon will appear on the upper right hand corner of the LCD Momentarily press the HOLD ESC key again to return to normal operation the HOLD hold icon will disappear MAXMIN Record Function 1 Press the REC key to enter the MAX MIN record mode The REC icon will appear on the display Subsequent presses of the Record key will select the Max or MIN record mode Press and hold the RECORD key for more than 2 seconds To delete the MAX MIN recorded values press the HOLD button while the MAX MIN value to be erased is on the display The value will be erased and the MAX or MIN icon will disappear The unit will remain in Record mode until the REC key is held for more than 2 seconds 5 461880 V2 2 8 09 ZERO Adjustment Procedure The meter may not indicate zero with no signal applied to the meter no vibration Although this is usually not a problem this procedure will bring the meter within a few digits of zero and improve measurement precision
8. e of the object under test With the meter OFF point the laser pointer end of the meter toward the device under test Press and hold the Tachometer Function Pushbutton located on the right side of the meter Press the FUNCTION SEND key to select the non contact RPM mode Align the laser pointer beam with the reflective tape Verify that the e Monitor Indicator appears on the LCD when the object under test passes through the light beam If the measurement is under 50 RPM apply additional squares of reflective tape Divide the reading shown on the display by the number of pieces of reflective tape squares used to calculate the actual reading When the reading on the display stabilizes note the reading NOTE Bright ambient light may interfere with the reflected light beam Shading the target area may be necessary in some cases CAUTION Rotating objects can be dangerous Use extreme care 7 461880 V2 2 8 09 CONTACT TACHOMETER RPM MEASUREMENTS 1 5 Remove the Tachometer Protective Cover by loosening the screw and gently pulling the cap away from the unit Install one of the RPM contact tips stored inside the Tachometer Protective Cover on the contact shaft Press and hold the Tachometer Function Pushbutton located on the right side of the meter Press the FUNCTION SEND key to select the contact RPM mode Lightly press the contact tip against the center of a rotating shaft When the reading on the display stabili
9. n Meter Operation Connecting Probe Note that this meter accepts only the supplied vibration probe 2 Plug the BNC connector end of the probe cable onto the BNC connector at the top of the meter 3 The probe can then be connected to the tested machinery in three ways a Attach the magnetic end of the probe to a ferrous material on the equipment under test b Manually hold the probe in place against the equipment under test a c Unscrew the magnet from the probe end and use the threaded mount to connect to a screw bolt or stud on the equipment under test y 4 461880 V2 2 8 09 Powering the meter f Press the POWER key once to power the meter On The meter will perform a short self test Press and hold the POWER key to power the unit Off The unit will beep and display OFF Selecting Units The unit powers on in Acceleration mode and in the units last used Use the UNIT LOGGER key to scroll through the other available functions units To change displayed units Metric or Imperial press and hold the UNIT LOGGER key for 2 seconds RMS PEAK PEAK MAX HOLD MAX HOLD Press the FUNCTION SEND key to select RMS PEAK or PEAK MAX HOLD ACC and VEL or PEAK or PEAK MAX HOLD DISP 1 RMS Typical selection for vibration measurements PEAK to PEAK for Displacement PEAK For measurement of the peak value Not available in the Displacement mode PEAK MAX HOLD Hol
10. nter the datalogging function The REC symbol will appear in the display upper left hand corner Press the LOGGER button to start logging data indicator will flash in time with the selected sample rate Press the LOGGER button to pause resume datalogging Press and Hold the REC button gt 2 seconds to exit the datalogging mode Manual Data Logging Set the sample rate to 0 as described earlier Turn the meter off and back on Press the REC to enter the datalogging function The REC symbol will appear in the display flashing Press the LOGGER button Press LOGGER again to log one data point The e indicator will flash and an audible tone will sound Repeat this step to store the desired number of readings Press and Hold the REC button gt 2 seconds to exit the datalogging mode 9 461880 V2 2 8 09 PC Interface The meter is equipped with an RS 232 serial data port located at the top of the meter next to the probe input jack This interface was designed to operate with the optional Extech 407001A software package which includes two programs and the required meter to pc interface cable 1 407001a Extech Data Acquisition Software This software allows the user to connect the meter to a PC and view readings in real time as they are taken this software does not download the contents of the meter s memory to the PC 2 DL2005 Datalogger Download Software This software allows the user to download the
11. o Power Off conserves battery power Separate vibration sensor with magnetic mount included Tachometer Function Features Photo and Contact Tachometer functions Laser light source with long measuring distance up to 1 5 meters 4 9 feet Wide measurement range from 0 5 to 100 000 RPM 0 1 RPM resolution lt 1000 RPM 1 RPM resolution 21000 RPM Memory function with recall saved MAX Min and Last Reading values Microprocessor with crystal time base provides 0 05 accuracy General Features Large LCD display Low Battery indicator High Performance microprocessor based circuitry Compact Heavy Duty housing Hard Carrying case 2 461880 V2 2 8 09 Meter Description O ON oa fw DN oN gt 9 Meter Top see Meter Top Callout below LCD display Tachometer Function pushbutton HOLD ESCAPE pushbutton Power pushbutton ENTER RECORD pushbutton FUNCTION SEND pushbutton UNIT LOGGER pushbutton Contact Tachometer Surface Speed wheel Contact Tachometer RPM adapter Velocity Sensor and Magnetic Mount Contact Tachometer Protective Cover Access Screw for Protective Cover Meter Top ak ON gt BNC Connector IR Temperature probe input feature not supported RS232 Output Terminal Photo Tachometer Laser Detector a AUN Photo Tachometer Laser Light source Meter LCD Display nuoou v Wd DISP P P mm Inch RPM uM ACC amp m s ft s e C uw 4 VEL cm s mm s Inch s F 3 461880 V2 2 8 09 Vibratio
12. t the CLr function Use the FUNCTION SEND key or UNIT LOGGER key to toggle the setting between 0 and 1 Select 1 to clear the datalogger memory Select 0 to retain the data in memory Press the ENTER key to execute 6 Press the HOLD ESC key to select the ESC function Press the HOLD ESC key again to exit the Advanced Functions menu The meter will power OFF 6 461880 V2 2 8 09 Tachometer Operation Safety WARNING Do not directly view or direct the laser pointer at an eye Low power visible lasers do not normally present a hazard but may present some potential for hazard if viewed directly for extended periods of time Reversible LCD Display The meter display indicates Photo Tachometer measurements in one direction and Contact measurements in the opposite direction This permits the user to easily read the measurement digits in both measurement modes with the meter held in either direction Selecting Function and Units Press and hold the Tachometer Function pushbutton on the right side of the 461880 Repeated presses of the FUNCTION SEND key will scroll through the available modes RPM Contact RPM measurement M min Surface speed Meters per Minute measurement Ft min Surface Speed Feet per Minute measurement RPM Non contact RPM measurement NON CONTACT PHOTO TACHOMETER MEASUREMENTS 1 2 6 Apply an appropriately sized square piece of reflective tape to the surfac
13. zes note the reading CONTACT LINEAR SURFACE SPEED ft min or m min MEASUREMENTS 1 Remove the Tachometer Protective Cover by loosening the screw and gently pulling the cap away from the unit Press and hold the Tachometer Function Pushbutton located on the right side of the meter Press the FUNCTION SEND key to select one of the linear speed modes M min or ft min Lightly press the linear speed wheel on the moving surface to be measured When the reading on the display stabilizes note the reading RECALLING CONTACT TACHOMETER READINGS To recall Contact Tachometer readings press and hold the ENTER REC key Values are displayed in 3 modes LA Last reading displayed UP Maximum value recorded dn Minimum value recorded Repeatedly pressing and holding the ENTER REC key will scroll through the 3 modes The value will flash alternating between the mode indicator and value 8 461880 V2 2 8 09 Datalogging The internal datalogger memory can hold up to 1000 readings Readings can be logged manually with a button press or automatically at a programmed sample rate Sample Rate The sample rate can be set to 0 manual 1 2 10 30 60 600 1800 or 3600 seconds See the Advanced Vibration Functions section for instructions on setting the sample rate Auto Data Logging 1 2 3 Set the desired sample rate as described do not select 0 Turn the meter off and back on Press the REC button to e
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