General PCT2236B Скачать руководство пользователя

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SPECIFIC

TIONS

rameter

Specification—

Contact Mode

Non-contact mode

Rota

tional Speed

0 to 20,000 rpm/±0.05%

2.5 to 99,999 rpm/±0.05% of

Measurement Range/Accurac

of reading plus one digit

reading plus one digit

Rota

tional Speed

0.1 rpm for readings belo

w 999.9 rpm; 1 rpm for readings above

Measurement Resolution

1,000 rpm

Linear Speed

5cm/min (2 in./min)

N/A

Measurement Range

to 2km/min (6,562 ft./min)

Length Measurement Range

5cm to 10km (2 in.

to 6.2 miles)

N/A

Detection Distance

N/A

5 to 50cm (2 to 20 in.)

Sampling

0.8 seconds a

t speeds over 60 rpm

Memor

y Ca

pacity

96 measurements

Recallable Measurements

Maximum,

minimum,

last values

PCT2236B Manual_FINAL_032211:awb 3/22/11 3:19 PM Page 16

Содержание PCT2236B

Страница 1: ...PCT2236B Please read this manual carefully and thoroughly before using this product COMBINATION CONTACT NON CONTACT LASER TACHOMETER USER S MANUAL ...

Страница 2: ...te Making Storing and Recalling RPM Measurements in Contact Mode 7 10 Measuring Rotating Speeds in Contact Mode 11 12 Measuring Linear Speeds 12 Measuring Surface Dimensions 12 13 Making RPM Measurements in Non Contact Mode 13 15 Storing and Recalling RPM Measurements in Non Contact Mode 15 Specifications 16 17 Maintenance Tips 18 Warranty Information 18 19 Return for Repair Policy 19 2 ...

Страница 3: ...ed of the shaft by rotating along with it In contact mode the PCT2236B also can measure the linear speed of a moving surface such as a conveyor belt or the circumference of a wheel and the dimensions of stationary objects In both operating modes measurements are displayed in real time on a 0 7 in 18mm high backlit liquid crystal display and stored in memory Up to 96 measurements of rpm or linear s...

Страница 4: ... series of measurements Also measures any dimension of a stationary object in meters One handed operation Auto power off function extends battery life SAFETY INSTRUCTIONS Spinning shafts and fast moving conveyor belts can be dangerous When using the tachometer take care not to let your fingers hands hair or clothing make contact with moving parts LASER WARNING NOTE Do not point laser directly at e...

Страница 5: ... fit over a 1 4 in diameter shaft with a flat or slightly convex end One rubber plastic fitting the surface speed wheel A for making contact with a surface in linear motion The surface speed wheel has a 1 8 in slot into which moving wire cable or rope fits snugly Three 24 in 6mm long strips of 1 2 in 12mm wide adhesive reflective tape Three spare Phillips head screws Four AA batteries This user s ...

Страница 6: ... right side E Function Switch labeled m m min rpm F MEM Button G Display Window H Battery Compartment Cover in back I Jack for 6 V AC DC Adapter on left side J 1 4 Rubber RPM Adapter K 1 4 Rubber RPM Adapter with hollowed end L Refelctive Tape on spinning motor or generator shaft M Reflected Laser Light to internal photosensor Fig 2 The PCT2236B s controls and indicators and other physical feature...

Страница 7: ...SIMULATE MAKING STORING AND RECALLING RPM MEASUREMENTS IN CONTACT MODE Before using the PCT2236B on actual equipment General suggests that you familiarize yourself with the way the instrument measures stores and recalls speeds by spinning the tachometer s shaft by hand By simulating readings you can expect to see in practice you will safely gain expertise that will save you time later To get start...

Страница 8: ...ers off whenever the Measurement button if released this dead man switch feature extends battery life considerably To simulate storing measurements keep the Measurement button depressed with your right thumb while you make three simulated speed measurements as follows Flick the shaft with your left index finger once Store the displayed reading by pressing the MEM button with your left thumb Flick ...

Страница 9: ...button three times and hold it This retrieves the slowest of the three speeds you measured and stored This value is shown alternating with the letters dn signifying the minimum speed To try out other memory related features you can now press the Measurement button on the right side Now press the MEM button once twice and three times holding it in each time and note from the display that all three ...

Страница 10: ...ents you stored If you release the MEM button and then press and hold it again the display will then show 2 followed by the value of your second measurement Release press and hold again and the display will show 3 followed by the value of your third measurement By repeating this sequence you can retrieve up to 96 measurements in the order in which they were stored Once all of the stored measuremen...

Страница 11: ...t thumb gently push the cone tipped end of the rpm adapter into the cavity at the end of the spinning motor or generator shaft whose speed you wish to measure Take care to keep the two shafts aligned When the displayed reading has stabilized and while keeping the Measurement button depressed with your right thumb press the MEM button on the front panel with your left thumb to store the measurement...

Страница 12: ...e wheel against the moving object whose linear speed you wish to measure Note that the circumference of the wheel has a 1 8 in wide slot into which wire cable or rope of that diameter fits snugly Taking care to keep the tachometer perpendicular to the moving conveyor use the function and MEM buttons to make and store as many measurements of linear speed as you wish Linear speed measurements of mov...

Страница 13: ...e non contact rpm measurements you must first remove the black plastic housing at the top of the instrument that covers the laser light source and lens To prepare to remove the housing first remove the black plastic sleeve and any rpm adapter attached to it callout B of Fig 2 from the tachometer s shaft callout C Then remove the Phillips head screw securing the housing via a flange to the back of ...

Страница 14: ...ally Scrape the target area clean enough so a piece of tape will stick to it If the target area is naturally reflective cover it with black tape or paint 3 Attach reflective tape to the target Cut a 1 2 in square piece of reflective tape remove its backing and apply it to the target area 4 Make the measurement Turn on the motor or generator Cradling the tachometer in your right hand move it as clo...

Страница 15: ...rased 15 TWO MEASUREMENT TIPS 1 If your motor generator s shaft spins slowly i e at less than 50 rpm getting an accurate reading may require placing one or more additional squares of reflective tape on the target Begin by adding a second square of tape on the circumference of the target 180º from the first square at 6 o clock relative to 12 o clock Then perform Step 4 above but divide the display ...

Страница 16: ... Rotational Speed 0 1 rpm for readings below 999 9 rpm 1 rpm for readings above Measurement Resolution 1 000 rpm Linear Speed 5cm min 2 in min N A Measurement Range to 2km min 6 562 ft min Length Measurement Range 5cm to 10km 2 in to 6 2 miles N A Detection Distance N A 5 to 50cm 2 to 20 in Sampling Time 0 8 seconds at speeds over 60 rpm Memory Capacity 96 measurements Recallable Measurements Maxi...

Страница 17: ...l Display Type 5 digit yellow green backlit liquid crystal Display Height 0 7 in 18mm Dimensions 8 27 x 2 91 x 1 18 in 210 x 74 x 30mm Weight 7 76 oz 220g including batteries Power Source Four AA batteries Current Consumption 65mADC Operating Temperature Range 32º to 122ºF 0º to 50ºC up to 80 relative humidity ...

Страница 18: ...r to be free from defects in material and workmanship for a period of one year Subject to certain restrictions General will repair or replace this instrument if after examination the company determines it to be defective in material or workmanship This warranty does not apply to damages that General determines to be from an attempted repair by non authorized personnel or misuse alterations normal ...

Страница 19: ...reliable product of superior quality However in the event your instrument requires repair please contact our Customer Service to obtain an RGA Return Goods Authorization number before forwarding the unit via prepaid freight to the attention of our Service Center at this address General Tools Instruments 80 White Street New York NY 10013 212 431 6100 Remember to include a copy of your proof of purc...

Страница 20: ...431 6100 FAX 212 431 6499 TOLL FREE 800 697 8665 e mail sales generaltools com www generaltools com PCT2236B User s Manual Specifications subject to change without notice 2011 GENERAL TOOLS INSTRUMENTS NOTICE WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS MAN PCT2236B 3 22 11 ...

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