Model : LF-423

* 0.5 to 500 Hz (x 0.01Hz, < 100Hz)
* Input voltage : 5 to 250 ACV.
* Check frequency to DC to AC converter, mobile & portable generator, power line.

Features:

• Portable line frequency monitor, easy carry out & operation.
• Wide measuring rage from 0.5 Hz to 500 Hz. * 0.01 Hz, high resolution
• Quartz crystal time base, 0.05 %, high accuracy.
• Wide input voltage 5 to 250 ACV. * LCD display allows clear readout even at high ambient light levels.
• Sine wave or square wave input signal are available. * Last value, Maximum value & Minimum value with recall.

 Applications:

* Check output of frequency-regulated and unregulated DC to AC converters.

* Verify accuracy and stability of synchronous motors & clocks.

* Monitor frequency of mobile and portable generators under load. *

Obtain the long term maximum, minimum & average frequency of fluctuating power sources.

* Continuously monitor frequency in engineering and school laboratories when delicate experiments are performed or calibration of equipment is taking place.