Is a handheld tachometers can accurately measure rotating speed per minute RPM, speed, or distance from, the use of

' Infrared beam features non-contact Rotary

Speed measure, if you use a connector, and the optional speed, you can contact measuring, motor maintenance, repair of electrical

One of the tools used.

Fluke 931 tachometer is a handheld tachometer, you can accurately measure the number of revolutions per minute (RPM) or the surface speed and distance

. This paragraph tachometer integration-contact and non-contact

Two Tachometer function using a ' non-contact speed measurement of the infrared beam features; Using connection adapter and optional

Velocity head, you can contact speed measurement

. ' Storage capability allows you to save the maximum reading (MAX) and minimum readings (MIN) and average reading (AV) and the last reading.

Optical (non-contact) the measurement of speed: 1 to 99999 r/min

Measuring speed: 1 to 19999 r/min

Accuracy: ± 0.02% reading + 1 characters

Optical sensing distance: 500mm

Small, easy to hold

Easily contact and non-contact measurement mode switching

Measurement of different speed and the speed to adapt to different occasions

Max/min/average and last readings

1-year warranty

Cheng Guangxue (non-contact) measure between 1 and 99999 r/min

Contact measurement 1 to 19999 r/min

Accuracy ± 0.02% reading + 1 characters

Sensing distance (optical), 12 bits

Battery type (2) 1.5 v LR6 (alkaline) 5th battery

About 40 hours of battery life

Operating temperature 0 to oC +50 oC (32 oF 122 to oF)

Storage temperature -20 to oC +70 oC (0 oF 160 to oF)

Weight 250 g (0.55 lb)

Dimensions 175 x 60 x 28 mm (7 x 2.5 x 1 in)