• Freeze the motion and measure the speed of a rotating object, without contact 

• Push button that doubles and one that divides in half the flashing and display rate with just one activation 

• Coarse and Fine adjustment buttons to synchronize flash to exactly the right rate 

• Duty cycles from 10 minutes to 2 hours depending on rpm range 

• Exclusive one-chip micro-computer LSI circuit and crystal control time-base 

• External trigger input 

• RS232 serial interface

Flash Range: 10 to 10,500 rpm 

• Resolution: 0.1 rpm: 5 to 999.9 rpm; 1 rpm: 1,000 to 9,999 rpm; 10 rpm: ≥ 10,000 rpm 

• Accuracy: ±(0.15% rdg. +0.2 rpm) < 1,000 rpm; ±(0.5% rdg. +1 rpm): 1,000 to 3,300 rpm; ±1% f.s.: 3,301 to 10,500 rpm 

• Stability: 1 digit within 10 min. Ext. Trigger Input: 5 to 30 Vrms, 0.083 to 175 Hz 

• Power Supply: 110 VAC 15%, 50/60 Hz 

• Dimensions: 8.3 x 4.8 x 4.8” (210 x 120 x 120mm) 

• Weight: 2.2 lb. (1 kg) 

Flash Tube 

• Type: Xenon white lamp, 6500°K 

• Flash Duration: Approx. 60 to 1000 μs 

• Flash Energy: 4 Watt-seconds (joules)