SZG-20B handheld digital tachometer Brief introduction:
Szg-20b touch handheld digital tachometer is a pocket type of high-precision tachometer, which adopts the principle of photoelectric transformation, and can measure the speed and linear speed of motor and various machine and equipment through the contact mode. The instrument adopts five-lcd digital display, which is intuitive and accurate, easy to use, small in size, easy to carry, and applicable to a wide range. Main technical indicators:
Measurement range: 10 ~ 25,000 r/min
Basic error: the basic error limit of the instrument shall not exceed + / - 0.05% * Nb (Nb -- standard speed value r/min)
Note when the basic error limit is less than 1 word at the end of the display value, the basic error limit is plus or minus 1 byte
Display mode: five-digit LCD digital display
Sampling time: 1 s
Operating temperature range: 5 ~ 40 ℃
Starting torque: not greater than 4.9* 10-4N.m
Power supply: no. 5 battery has three sections
Dimensions: 42.5 *58*166mm
Weight: 160 g
Brief introduction:
Szg-20b touch handheld digital tachometer is a pocket type of high-precision tachometer, which adopts the principle of photoelectric transformation, and can measure the speed and linear speed of motor and various machine and equipment through the contact mode. The instrument adopts five-lcd digital display, which is intuitive and accurate, easy to use, small in size, easy to carry, and applicable to a wide range.