User`s Manual Model 461995 Laser Photo
Contents
1. Meter Operation Reversible LCD Display The 461995 LCD 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 Photo Tachometer Measurements refer to diagram below 1 Apply an appropriately sized square piece of reflective tape to the surface of the object under test Move the Function switch to the PHOTO position 3 Point the laser pointer end of the meter toward the device under test at a distance of 2 to 79 50 to 2000mm 4 Press the Measure button located on the right side of the meter and align the laser pointer beam with the reflective tape 5 Verify that the Monitor Indicator appears on the upper left hand section of the LCD when the object under test passes through the light beam 6 Release the Measure button when the RPM reading stabilizes on the LCD If the rom is under 50 apply additional squares of reflective tape Divide the reading shown on the display by the number of pieces of reflective tape squares to calculate the actual rom 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 Light source and reflection Photo Tachometer Rotating object 4 461995 EU EN v1 5 07 13 n2. L 494 10 Speed 1 ft min gt 1000ft min Surface 0 05 to 1999 9 m min 0 01 m min lt 100m min Spee 6 461995 EU EN v1 5 07 13 netzerotools com
3. Kal Net eroTools netzerotools com 800 571 6389 zwet Com User s Manual Extech 461995 Combination Contact Laser Photo Tachometer Extech 461995 NIST Combination Contact Laser Photo Tachometer Model 461995 Laser Photo Contact Tachometer netzerotools com Kal Net eroTools netzerotools com 800 571 6389 www netzerolools com Introduction Congratulations on your purchase of Extech s Laser Photo Contact Tachometer Model 461995 This Tachometer provides contact non contact RPM and Linear Surface Speed measurements The laser pointer beam provides accurate long distance measurements for photo tachometer measurements This meter with proper care will provide years of safe reliable service Safety l CAUTION Laser Radiation 1 Use extreme caution when the laser beam is on Do not point the beam toward anyone s eye Be careful not to let the beam strike the eye from a reflective surface ZS Oo N Do not use the laser near explosive gases or in other potentially explosive areas 2 461995 EU EN v1 5 07 13 netzerotools com Tools netzerotools com 10 571 6389 Meter Description 1 Photo Tachometer sensor and laser source 2 LCD display 3 MEMORY button 4 Function switch 5 Contact tachometer rotating ring Laser 6 MEASURE button Tachometer 7 Battery compartment rear 3 461995 EU EN v1 5 07 13 netzerotools com Kal Net7ernoTools netzerotools com 800 577 6389 www netzerotools com
4. etzerotools com e Net7ernTools netzerotools com 800 577 6389 arw netrerotoois com Contact Tachometer RPM Measurements Move the Function switch to the CONTACT position 2 Press the Measure button while lightly pressing the rotating ring against the center opening of a rotating shaft 3 Release the Measure button when the display stabilizes approx 2 seconds Linear Surface Speed ft min or m min Measurements 1 Slide the Function Switch to SURFACE SPEED ft min or m min position 2 Install the surface speed attachment on the meter rotating ring 3 Press the Measure button and hold the surface speed wheel against the device being measured 4 Release the Measure button when the display stabilizes approx 2 seconds MIN MAX and Last Reading Memory Recall The 461995 can record Maximum Minimum and Last Reading for the period of time the Measure button is held These stored values can then be read directly on the meter s display The memory will automatically clear after approximately 10 seconds of meter inactivity Access the memory data immediately after the measurements have been taken as follows 1 Press the Memory key once and hold it down The Last Reading is displayed followed by the LA icon 2 Press again and hold The Maximum value is displayed followed by the UP icon 3 Press again and hold The Minimum value is displayed followed by the dn icon Battery Replacement The low battery indication a
5. ppears as LO on the display To replace the batteries slide the rear battery compartment cover off of the meter replace the four 1 5V AA batteries and replace cover You as the end user are legally bound EU Battery ordinance to return all used batteries disposal in the household garbage is prohibited You can hand over your used batteries accumulators at collection points in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle 5 461995 EU EN v1 5 07 13 netzerotools com Net7ernoTools netzerotools com 800 571 6389 Www nelzerolools com Specifications General Specifications Circuit Custom one chip LSI microprocessor circuit Time base Quartz crystal 4 194 MHz Display Reversible 5 digit 0 10mm 4 LCD display Laser light source Less than 1mW Class 2 red laser diode 645nm approx Detecting Distance 50 to 2000 mm 2 to 79 depending on ambient light and RPM 0 C to 50 C 32 F to 122 F RH 80 Max eight stop 0 60n rehrgbatoy sie poremos Accessories 4 x 1 5V batteries reflective tape 600mm 24 surface speed rpm rotating attachments and carrying case Range Specifications Range Resolution Accuracy rdg Photo 10 to 99 999 rpm 0 1 rpm lt 1000rpm 0 05 1d RE ES Contact 0 5 to 19 999 rpm 0 1 oa lt 1000rpm te 1 fmin lt 1000fmin
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