Light Meters

Lux meters, light meters

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Lux

https://en.wikipedia.org/wiki/Lux

Extech 401025: Foot Candle/Lux Light Meter

Includes analog output and fast/slow response feature

Extech 401025: Foot Candle/Lux Light Meter

Features:

  • Accurately displays light level in terms of Fc or Lux over three ranges
  • Select fast (1 second) or slow (2 seconds) response time
  • Analog output of 1mV per count for capturing readings to a recorder

Extech 407026: Heavy Duty Light Meter with PC Interface

Light meter with four lighting types Tungsten/Daylight, Fluorescent, Sodium, and Mercury

EXTECH 407026: Heavy Duty Light Meter with PC Interface

Features:

  • Simultaneous display of Foot Candles or Lux
  • Super large 1.4” (1999 count) LCD display
  • % displays differential from reference point
  • “ZERO” Re-Calibration
  • Utilizes precision photo diode and color correction filter
  • Cosine and color corrected measurements
  • ±4% accuracy is enhanced by selecting lighting type (Tungsten/Daylight, Fluorescent, Sodium, Mercury)
  • Record/Recall MIN, MAX and AVG readings, Data Hold plus Auto shut off
  • Built-in RS232 serial interface, optional software

Extech 45170: Hygro-Thermo-Anemometer-Light Meter

Pocket size rugged 4-in-1 meter for Humidity, Temperature, Air Velocity and Light

EXTECH 45170: Hygro-Thermo-Anemometer-Light Meter

Features:

  • Ergonomic pocket size housing with large dual LCD simultaneous display of
  • Temperature and Air Velocity or Relative Humidity
  • Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light Mode
  • Data Hold to freeze the displayed value
  • Records Min/Max readings
  • Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots
  • Built-in precision thin-film capacitance humidity sensor for fast response
  • Built in thermistor for ambient temperature measurements
  • High temperature measurements using Type K thermocouple
  • Utilizes precision photo diode and color correction filter
  • Cosine and color corrected light measurements
  • Auto power off, Low Battery and overrange indication
  • Complete with built-in Humidity sensor, Light sensor and Vane wheel, wrist strap, and 9V battery

SDL470: UVA/UVC Light Meter/Datalogger

Short-/Long-wave UV Irradiance Light Meter with Datalogging

SDL470: UVA/UVC Light Meter/Datalogger

Features:

  • UVA probe captures long-wave 365nm UV irradiance measurements under a UVA (black light) source
  • UVC probe captures short-wave 254nm UV irradiance measurements under a UVC light source
  • Cosine correction filter and metal housing
  • Datalogging feature records readings with date and time stamp on an SD card (included) in Excel® format
  • Offset adjustment used for zero function or to make relative measurements
  • Adjustable data sampling rate from 1 to 3600 seconds
  • Stores 99 readings manually
  • Type K/J Thermocouple input for temperature measurements (probes sold separately)
  • Large backlit LCD display
  • Record/Recall MIN, MAX readings, Data Hold plus Auto power off with disable function
  • Complete with built-in tilt stand, SD memory card, UVA light sensor with protective cover, UVC light sensor, hard case, Universal AC adaptor, and 6 x AA batteries

Extech LT300: Light Meter

Digital and Analog display of light in Foot-candles or Lux

Extech LT300: Light Meter

Features:

  • Wide range to 20,000Fc or 200,000 Lux with high resolution to 0.01 Fc/Lux
  • Relative mode indicates change in light levels, peak mode captures highest reading
  • Remote light sensore on 12″ (305mm) coiled cable – expandable to 24″
  • Utilizes precision photo diode and color correction filter
  • Large LCD display with analog bargraph
  • Backlight for readings in low light levels
  • Complete with 9V battery, light sensor with protective cover, protective holster, and pouch case