FLUKE FLUKE-931 ESP Combination Photo/Contact Tachometers (1 to 99,999 rev / min, 1 to 19,999 rev / min)

Fluke 931 optics (non-contact) measurement speed:1 to 99,999 rev / min

Contact measurement speed:1 to 19,999 rev / min

Fluke 931 Precision:± 0.02% of reading + 1 digit

Optical sensing distance:500 mm

Storage Temperature: -20°C to 70°C

Weight: 250 g (with batteries)

Dimensions:175mm x 60mm x 28mm