Extech HD450 Datalogging Heavy Duty Light Meter

Extech HD450 Datalogging Heavy Duty Light Meter

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Light meter with double molded housing and large backlit display with 40-segment bar graph

• HD450 Datalogger model automatically stores up to 16,000
readings or manually store/recall up to 99 readings
• Wide range to 40,000Fc or 400,000 Lux
• Cosine and color corrected measurements
• Utilizes precision silicon photo diode and spectral response filter
• Peak mode (10mS) captures highest reading
• Relative mode indicates change in light levels
• Min/Max and Data Hold
• Large backlit LCD display with 40-segment bar graph
• Heavy Duty rugged double molded housing
• Built-in USB port
• Includes light sensor with 3ft (1m) cable and protective cover,
Windows® compatible software with USB cable, hard carrying
case, and 9V battery

 



Extech 407732-KIT Low/High Range Sound Level Meter Kit

Extech 407732-KIT Low/High Range Sound Level Meter Kit

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407732-NISTL sound level meter with single point calibration to 94dB,
combined with a NIST-certified 407722 94dB/114dB, 1kHz professional calibrator

  • High accuracy meets ANSI and IEC 651 Type 2 standards
  • High and Low measuring ranges: 35 to 100dB (low) and 65 to 130dB (high)
  • Data Hold and Max Hold functions
  • Backlit LCD display to view in dimly lit area
  • Includes 407722 – 1kHz 94dB sound calibrator (±5% accuracy)
  • Includes plastic carrying case for meter and calibrator