Product Description

Lutron LF-423 Line Frequency Monitor

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Features Lutron LF-423 Line Frequency Monitor

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

Specifications Lutron LF-423 Line Frequency Monitor

Display	5 digits, 10 mm ( 0.4″ ) LCD
Range	0.5 to 500.0 Hz
Resolutio	0.01 Hz \| 0.5 to 99.99 Hz 0.1 Hz \| 100.0 to 500.0 Hz
Input voltage	5 to 250 ACV, sine wave or square wave
Accuracy	± ( 0.05 % + 1 d )
Sampling Time	1 sec. ( 1 Hz )
Time base	Quartz crystal
Circuit	Exclusive one-chip of microcomputer LSI circuit
Memory	Last value, Max. value, Min. value
Battery	1.5 V AA (UM-3) battery x 4 PCs
Power Current	Approx. DC 5 mA
Operating Temperature	0 to 50 ℃ (32 to 122 ℉ )
Operating Humidity	Less than 80% RH
Weight	375 g ( 0.83 LB )/including battery
Dimension	190 x 72 x 37 mm (7.5 x 2.8 x 1.5 inch)
Accessories Included	Operation Manual .1 PC Power Cord with plug 1 PC