Flash Range: 40 – 12,500 FPM
Accuracy: ± 0.02% of reading
Resolution: (0.1) 40.0 – 4,999.9, (0.2) 5,000.0 – 7,999.8, (0.5) 8,000.0 – 9,999.5, (1.0) 10,000.0 – 12,500.0
Display: 5-Digit LED, 8 mm high
Flash Tube: Xenon, 10 watt
Tube Life: 100 million flashes
Flash Duration: 10 – 15 μs
Signal Output: NPN Open Collector, 24 VDC max. at 50 mA (150 μs typical)
Phase Shift: 0 – 359° (Internal Mode)
Duty Cycle: Continuous
Battery Life: 1 hour (Model 725 only)
Re-charging Time: 12 hours (4 hours with optional Fast Charger)
Low Battery Indicator: Model 725 only
Operating Temperature: 32 to 105 °F (0 to 40 °C)
Weight:
.....Model 721 1.50 lbs. (680 g)
.....Model 725 2.75 lbs. (1.25 Kg)
Power Requirements:
.....Model 721 115 VAC ± 10%, 50/60 Hz
.....Model 725 Internal Battery (Lead Acid Rechargeable)

***Specifications subject to change without notice.***