Monllack DT2239B Digital Non-Contact Flash Stroboscope Tachometer Revolution Meter

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About Monllack DT2239B Digital Non-Contact Flash

features: 1. Handheld and non-contact measurement, portable and safety. 2. Can measure the moving speed, motion state and surface mar of kinds of rotating objects. 3. Wide range of applications, such as all kinds of rotor, motor, fan, gear joggle, tremor equipment diagnose etc. 4. With large lcd backlight display screen, convenient to read data in the dark. 5. Low battery indication, with fine and coarse adjust, single and continuous adjust, easy to measure. Description: 1. This dt2239b is a handheld digital stroboscope, high reliability and portability. 2. We can use it to measure the moving speed, motion state and surface defects of kinds of rotating objects. 3. It's widely used, such as all kinds of rotor, motor, fan, gear joggle, tremor equipment diagnose etc. Specifications：model: dt2239bcolor: graydisplay: 19999measuring range: 60~19999rpmrpm: round per minute, frm: flash per minutecoarse adjust knob/fine adjust knob: less than 1000rpm: coarse adjust knob: ±10rpm/frmfine adjust knob: ±0.1rpm/frmmore than 1000rpm: coarse adjust knob: ±100rpm/frmfine adjust knob: ±1rpm/frmaccuracy: 0.05%resolution: less than 1000rpm: 0.1rpm/frmmore than 1000rpm: 1rpm/frmtime base: 10mhzsupply power: 4 x 1.5v aa battery (not included)product size: 210 x 75 x 41mmproduct weight: 202gnote: do not point the flashlight at eyespackage information: package size: 25.8 x 12.8 x 8cm / 10.2 x 5 x 3.1inpackage weight: 515g / 18.2ozpackage list: 1 x stroboscope1 x leather box1 x user manual