Frequency LF-423 Lutron is a portable digital line frequency monitor used to measure and verity AC electrical frequency.
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.
Specifications :
- Display : 5 digits, 10 mm ( 0.4″ ) LCD
- Range : 0.5 to 500.0 Hz.
- Resolution : 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 (23± 10 ) ℃ : ± ( 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)