Pyle PST43 tachometer
Contents
1. PYLE www pyleaudio com DIGITAL TACHOMETER MODEL PST43 OPERATION MANUAL Your purchase of this DIGITAL TACHOMETER marks a step forward for you in the field of precision measurement Although this LASER TACHOMETER is a complex and delicate instrument its ruggedness will allow many years of use if proper operating techniques are developed Please read the following instructions carefully and always keep this manual within easy reach WARNING TO AVOID INHURIES TO ANIMAL OR HUMAN EYES PLEASE DO NOT POINT THE LASER BEAM IN EYES OR LOOK DIRECTLY INTO BEAM 1 FEATURES Wide measuring range from 5 to 100 000 RPM 0 1 RPM resolution for the measured value from 5 to 999 RPM The last value max and value min value will be stored into the memory automatically and can be obtained by pressing memory call button LCD display gives exact RPM reading with no guessing or errors Low battery consumption This tachometer uses the exclusive chip Micro computer LST circuit amp crystal time base which offers highly accurate measurements and fast sampling time The use of durable long lasting components including a strong light weight ABS plastic housing that assures maintenance free performance for many years The housing cabinet has been carefully shaped to fit comfortably in either hand 2 SPECIFICATIONS DISPLAY 5 digits 10mm 0 4 LCD Measurement amp Range 5 to 99 999RPM Accuracy 73 42. 0 1RPM lt 1000RPM 1RPM 21000RPM 41 F Time base quartz crystal 4194MHZ Circuit exclusive chip micro computer LSI circuit Operating temp 0 50 C 32 122 F Operating humidity less than 80 R H Memory last maximum minimum value Battery 4 1 5V AA UM 3 battery Power consumption approx 153mA DC Size 190 72 37mm 7 5 2 8 1 5inch Weight 235g 0 52Ibs including batteries carrying case 1 piece Accessories included reflecting tape marks 600m 1 piece Operation manual 1piece 3 FRONT PANEL DESCRIPTION Fig 1 3 1 Reflective mark 3 2 Photo Signal light beam 3 3 Target indicator 3 4 Display 3 5 Operation Button 3 6 Memory call button 3 7 Battery Compartment Cover 4 MEASURING PROCEDURE Apply a reflecting mark to the object being measured Depress the Operation button 3 5 Fig 1 and align the visible photo signal Light beam 3 2 fig1 with the applied target Verify that the Target indicator 3 3 fig 1 lights when the target passes through the light beam Release the operation button when the reading stabilizes about 2 seconds Consideration If measuring very low RPM values attach more REFLECTIVE MARKS evenly spaced apart from each other Then divide the reading shown by the number of REFLECTIVE MARKS to get the real RPM 5 MEMORY CALL BUTTON OPERATION 1 The minimum maximum
3. and the last final readings are automatically stored during measurement These values can be recalled anytime by pressing the Memory call button 3 6 fig Max value Display Last value readin g Min value Measuring time Fig 2 2 To recall the stored value follow these procedures Release the operation button 3 5 fig 1 first a Press the memory call button 3 6 fig1 once to display the last reading The symbol LA will appear on the display b Press the memory call button 3 6 fig1 once again to display the maximum value The symbol UP will appear on the display c Press the memory call button 3 6 fig1 once more to display the maximum value The symbol DN will appear on the display 6 BATTERY REPLACEMENT 1 When LO appears on the LCD display it indicates a battery output of approximately less than 4 5v It is recommended to replace the battery however in spec measurement may still be made for several hours after low battery indicator appears before the instrument becomes inaccurate 2 Open the battery cover 3 7 Fig 1 Inside the battery compartment replace with new batteries and reinstate the cover
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