OTHER INSTRUMENTS
DIGITAL LUX METER
3 ½ Digit LCD display
Range 0.1 Lux to 50000 Lux
Resolution 0.1 Lux
20000 Lux Reading x 10;
50000 Lux Reading x 100;
12v battery operated,
Photo detector dimensions 115 x 60 x 27 mm
Low battery indicator

DIGITAL SOUND LEVEL METER
High and Low measuring ranges
Low 35 to 100 dB
High 65 to 130dB
0.1dB resolution
Data Hold and MAX hold,
Built -in-Calibration check (94dB)
Large 3 ½ digital LCD Display with function indicator.
DIGITAL CONTACT & NON-CONTACT TACHOMETER
(Two in One)

Easy to get high resolution, Fast sampling time: 1 to 2 second Auto ranging with 0.05% RPM accuracy of full scale Linear surface speeds in Ft/min or M/min Complete with cone, RPM sensor tip, surface speed wheel, four 1.5 Volt AA batteries and carrying case

Specifications
Test Range 2.5 to 99,999 RPM (r/min)
Resolution 0.1 RPM (2.5 to 999,99RPM), 1 RPM (over 1000RPM)
Total test Range 1 ~ 99999