AC Frequency Meter - Digital, 120AC            

Large bright LED display features waterproof front with easy push button controls. Displays frequency to 90Hz in 0.1Hz increments.  

• 3 display brightness settings
• Sleep mode blanks display for power conservation
• Input Voltage Range 70 to 300 VAC
• Power consumption: 0.115W (sleep mode) to 0.825W (max)
• Features the new easy SpinOn mounting system
• Front mounts in standard 2" round hole
• Rear mounts in any full size electrical panel meter cut out
• Measures 2.27" x 2.375"H,  Display Character size 9/16"