Specifications
 
 
    
        
            | Flash Range | 
            40-35,000 FPM | 
         
        
            | Accuracy | 
            Internal Mode: ±0.01% of reading 
            External Mode: ±0.01% or ± 1 digit | 
         
        
            | Resolution | 
            0.1 FPM: 40.0 - 4,999.9 FPM 
            0.2 FPM: 5,000 - 7,999.8 FPM 
            0.5 FPM: 8,000 - 9,999.5 FPM 
            1 FPM: 10,000 - 35,000 FPM | 
         
        
            | Drift | 
            ±0.01% per °C | 
         
        
            | Update Time | 
            Internal Mode: 0.2 seconds 
            External Mode: ±0.01% or ± 1 digit | 
         
        
            | Input Signal | 
            LO level: 0-0.4 VDC 
            HI level: 2.5 - 12 VDC -- or open collector (npn) 
            pulse width 50us min | 
         
        
            | Output Signal | 
            Synchronous, 400 µs pulse, 0 to approx. ± 12 V DC 1000 ohms impedance | 
         
        
            | Display & Rate | 
            Divide or multiply by 2, selectable | 
         
        
            | Operating Temperature | 
            32-104 °F (0-40 °C) | 
         
        
            | Display | 
            5 digits, 10 mm high, red LED | 
         
        
            | Flashtube | 
            Xenon, 10 W maximum | 
         
        
            | Flash Duration | 
            10-30 µs | 
         
        
            | Sensor Power Supply | 
            12 VDC ± 0.5V (50ma) | 
         
        
            | Power Requirements | 
            External Rechargeable 12 V battery 
            Includes Battery Charger 115V AC (DT-315AEB) or 230V AC (DT-315AEB-2) | 
         
        
            | Weight | 
            4.4 lbs. (2 kg) | 
         
        
            | Dimensions | 
            4.7 x 5.6 x 9.7" (120 x 141 x 248 mm) | 
         
    
 
 
 
                             |