| Measurement Method |  
 Non-contact, FFT-based frequency analysis |  
 
  | Measurement Range |  
 Typically covers 0.1 Hz to 10 kHz (depends on sensor and mode) |  
 
  | Measurement Modes |  
 5 modes including frequency, RPM, and cycle time |  
 
  | Display |  
 Digital LCD with backlight |  
 
  | Input Signal Types |  
 Sound level meters, accelerometers, vibration detectors, ignition pulse detectors |  
 
  | Accuracy |  
 ±0.02% or better depending on signal quality |  
 
  | Power Supply |  
 Rechargeable battery or standard batteries (model dependent) |  
 
  | Dimensions |  
 Compact handheld design (approx. 180mm × 80mm × 35mm) |  
 
  | Weight |  
 Lightweight for portable use (approx. 300g) |  
 
  | Data Output |  
 Digital output compatible with FFT analyzers or data logging devices |  
 
  | Operating Temperature |  
 Typically 0°C to 50°C |  
 
  | Optional Accessories |  
 Wide range of detectors and sensors compatible |