SPECIFICATIONS: PHOTO TACHOMETER MODEL: RPM33 MAKE: EXTECH LARGE 5-DIGIT BACKLIT LCD SCREEN BASED ON MICROPROCESSOR WITH QUARTZ CRYSTAL OSCILLATOR TO MAINTAIN HIGH ACCURACY STORE/RECOVER 10 SETS OF DATA IN MEMORY WITH 4 PARAMETERS (MEASUREMENT, MAXIMUM VALUE, MINIMUM AND AVERAGE) VARIOUS RPM MEASUREMENTS (PHOTOTACOMETER AND CONTACT TACHOMETER) AND LINEAR MEASUREMENTS OF SURFACE VELOCITY/LENGTH (CONTACT TACHOMETER) USE A LASER FOR NON-CONTACT MEASUREMENTS OF GREATER DISTANCE, UP TO 1.6 FT (500 MM) INCLUDES CONTACT WHEEL FOR RPM OR SURFACE VELOCITY/LINEAR LENGTH, 9 V BATTERY, REFLECTIVE TAPE AND SOFT CASE WITH CALIBRATION CERTIFICATE FOR CONTACT VELOCITY AND PHOTO CONTACT.
The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.
