| Flash Range | 
            30 - 12,500 FPM | 
        
        
            | Flash Brightness | 
            1200 Lux (8"/20cm distance @ 4500 fpm) | 
        
        
            | Accuracy | 
            ± 0.01% over entire range + 1 LSD 
            ± 0.04 Hz | 
        
        
            | Resolution | 
            ± 1 FPM over entire range | 
        
        
            | Display | 
            5-digit LCD | 
        
        
            | Display Update | 
            0.5 seconds | 
        
        
            | Flash Energy | 
            170 mJ | 
        
        
            | Flash Duration | 
            < 9 µs | 
        
        
            | Flash Tube Life | 
            200 million flashes (at 6,000 fpm) | 
        
        
            | Flash Color Temp | 
            6,000K - 6500K | 
        
        
            | External Trigger | 
            0-5 volt, DTL/TTL compatible 1/8" jack | 
        
        
            | Optional* Trigger Signal Output | 
            0-5 volt, DTL/TTL compatible 1/8" jack 
            * on PK2X-AC-OT Model Only | 
        
        
            | Overcharge Protection | 
            Yes | 
        
        
            | CE Certification | 
            Yes | 
        
        
            | Power Required | 
            100 - 240V AC, 50-60 Hz | 
        
        
            | Battery | 
            None | 
        
        
            | Weight | 
            0.9 lbs (415 grams) | 
        
        
            | Housing Material | 
            High Impact ABS Plastic | 
        
        
            | Reflector Material | 
            Aluminum | 
        
        
            | Tripod Mount | 
            1/4-20, female insert | 
        
        
            | Operating Temp. | 
            32 to 104° F (0 to 40° C) | 
        
        
            | Dimensions | 
            9-3/4" x 2-3/4" x 1-3/4" 
            240 x 65 x 40 mm |