Thermco Touch Contact & Photo Tachometer

DESCRIPTION: The Contact / Photo Tachometer measures the RPM safely and accurately without attachment to the object. With a wide measuring range (2.5 to 19,999 - contact mode) and (2.5 to 99,999 RPM - photo mode). The accuracy is ±0.05% +1 RPM with a resolution of 0.1 RPM 2.5 to 999.9 RPM and 1.0 RPM above the 5 digit 10mm LCD display is easily read. A NIST Traceable certificate is provided from our ISD 17025/ ILAC accredited Laboratory. FEATURES: Power: 4 x 1.5v AA Batteries Included. Included with Unit: Carry Case/Reflective Tape/RPM Adapter Cone/RPM Adapter Funnel. SPECIFICATIONS: Range: (Contact: 2.5 to 19,999 RPM. Photo: 2.5 to 99,999 RPM). Resolution: (±0.1 RPM (2.5/999.9 RPM). ±1.0 RPM (above 1000 RPM)). Accuracy: ±0.05% +1 RPM. Sample Time: 1.0 second. Test Range Select: Automatic. Memory: Last value, Minimum & Maximum Values. Detecting Distance: 50/250mm (2/10 inch).