Records data on an SD card in Excel® format

The SDL400 records data on an SD card in Excel format. Wide range to 10,000Fc or 100kLux. Cosine and color-corrected measurements. Utilizes precision silicon photo diode and spectral response filter. Offset adjustment used for zero function to make relative measurements. Adjustable data sampling rate. Stores 99 readings manually and 20M readings via 2G SD card. Type K/J Thermocouple input for high temperature measurements. Large backlit LCD display. Record/Recall Min, Max, Data Hold and Auto power off. Complete with 6 x AA batteries, SD card, hard carrying case and light sensor with protective cover.
 

• Wide range to 10,000Fc or 100kLux
• Cosine and color-corrected measurements
• Utilizes precision silicon photo diode and spectral response filter
• Offset adjustment used for zero function to make relative measurements
• Adjustable data sampling rate
• Stores 99 readings manually and 20M readings via 2G SD card
• Type K/J Thermocouple input for high temperature measurements
• Large backlit LCD display
• Record/Recall MIN, MAX, Data Hold and Auto power off
• Complete with 6 x AA batteries, SD card, hard carrying case and light sensor with protective cover

Wide Range Foot-Candle/Lux Light Meter

Extech’s pocket-sized autoranging Light Meter offers wide light intensity ranges measuring up to 40,000Fc (400,000Lux) with high resolution to 0.01Fc (0.1Lux). Ideal for indoor lighting tests and for checking security and safety illumination in parking garages, night time ATM areas, stairwells, landings, and hallways.
 

• Measure light levels in Foot-Candle (Fc) or Lux units using a precision photo diode with cosine and color correction filter
• Zero/Calibration function
• Data Hold and Min/Max functions
• Auto power off with disable
• Tripod mount (optional TR100 Tripod sold separately)
• Complete with light sensor cover, two AAA batteries, and pouch

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

Insufficient lighting can create security risks or result in OSHA crackdowns. The Extech LT300 light meter can determine whether you have adequate illumination to protect workers, students, visitors, patients or attendees of different venues. This handheld instrument measures up to 40,000 Fc (or 400,000 Lux) utilizing a remote light sensor connected via 12 in. coiled cable (expandable to 24 in.). A prominent LCD readout displays a digital calculation and complementary analog bar graph for quick, reliable assessments. Complete with 9V battery, light sensor with protective cover, protective holster, and soft case.
 

• Wide range to 40,000Fc or 400,000 Lux with max resolution to 0.01 Fc/Lux
• Relative mode indicates change in light levels, peak mode captures highest reading
• Remote light sensor on 12'' (30.5cm) coiled cable - expandable to 24'' (61cm)
• 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 soft case

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

The HD450 Light Meter measures from 0 to 40,000Fc and 0 to 400kLux with a 0.01Fc/0.1Lux resolution. Features: 5% accuracy, Peak mode (10µs), Relative mode, Min/Max, Data Hold, backlit LCD display with 40-segment bar graph, and a rugged double molded housing. In addition, the datalogger function can automatically store up to 16,000 readings or manually store/recall up to 99 readings. Comes complete with light sensor with 3ft (1m) cable and protective cover, software with USB cable, hard carrying case and 9V battery.

• Automatically stores up to 16,000 readings or manually store/recall up to 99 readings
• Large backlit LCD display with 40-segment bar graph
• 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
• Backlight for readings in low light levels
• Heavy Duty rugged double molded housing
• Built-in USB port

Highest intensity light measurements up to 99,990Fc/999,900Lux

This compact and ruggedly designed meter has a wide measurement range to 99,990 Foot Candles in 5 ranges and 999,990 Lux in 5 ranges with 0.001Fc/0.01Lux resolution. Features include: Store and Recall up to 50 measurements with relative or real time clock stamp, Luminous intensity (candela) calculation, a ripple function that excludes stray light from the primary light source measurement, Multi-point average function, Timed Hold, Relative measurement in absolute value or % deviation, Comparator function with high/low alarms, and Auto Power Off with disable. Complete with built-in stand, light sensor and protective cover with 36” (0.9m) coiled cable, protective holster, 6 AAA batteries, and carrying case.
 

• Large LCD display with advanced illuminance functions and features
• Wide measurement range to 99,990Fc (999,900 Lux) with resolution of 0.001Fc and 0.01Lux
• Luminous intensity (candela) calculations
• Store and recall up to 50 measurements, includes relative or real time clock stamp
• Ripple function excludes the effect of stray light from the primary light source measurement
• Timed-Hold, Relative in absolute value or % deviation, and Comparator function with high low alarms

For complete specs please download the product datasheet (not available for some accessories)

High intensity light measurements up to 40,000Fc/400,000Lux

The EA30 Light meter sports a compact and rugged design and features a large display. Multiple wide measuring ranges: 40,000Fc in 4 ranges and 400,000Lux in 5. Data hold freezes reading on display MIN/MAX readings. Zero function Cosine and color corrected measurements. Low battery and overrange indication. Auto power off to save battery life. Meter utilizes precision silicon photodiode sensor with 3ft coiled cable for easy storage. Complete with built-in stand, remote sensor with protective cover, protective rubber holster and 6 AAA batteries.

• Compact and rugged design
• Widest range to 40,000Fc/ 400,000Lux is ideal for outdoor applications
• Large display with bargraph, Relative function for zero or difference from reference value
• Peak function captures short light pulse, Data Hold and Min/Max readings
• Auto power off, Zero function

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

This 407026 Heavy Duty Light Meter has 4 lighting type settings for enhanced accuracy (Tungsten/Daylight, Fluorescent, Sodium, Mercury). Additional features include Data Hold, Min/Max/Average, Auto power off and a % reading of the differential from a reference point. Built-in RS-232 interface with optional Data Acquisition Software and Data logger. Complete with 9V battery, light sensor with 45'' (1.1m) cable, protective cover, and holster with stand.
 

• Simultaneous display of Foot Candles or Lux and lighting type
• 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

Includes analog output and fast/slow response feature

401025 is a Foot Candle/Lux Meter which measures light level to 5000FC (foot-candles) and 50,000 Lux with a 5% accuracy using a precision photo diode and color correction filter. Meter features fast/slow response time and an analog output (1mV per count) for capturing readings to a recorder. Comes complete with 9-Volt battery.

• Accurately displays light level in terms of Fc or Lux over three ranges:
  • Fc (0-200, 0-2000 and 0-5000Fc)
  • Lux (0-2000, 0-20000, 0-50000Lux)
• Resolution of 0.1Fc or 1Lux with 5% accuracy
• Select fast (0.2 second) or slow (0.4 seconds) response
• Monitor light levels using outputs; 1mV per count analog output for capturing readings to a recorder
• Utilizes precision photo diode and color correction filter; Cosine/color corrected
• Complete with 9V battery and light sensor with 45'' (1.1m) cable and protective cover

Measure the Illuminance of White and Color LED Lights

The LT45 LED light meter is useful for measuring and optimizing environmental light levels in a wide range of environments, including office buildings, manufacturing plants and warehouses, university campuses, schools, hospitals, and many other locations. OSHA regulates workplace lighting because illumination must be adequate for assigned tasks, and light meters are used to verify regulatory compliance, as well as state and local public safety codes and ordinances. Use of LED lighting is on the rise because it is more efficient to operate, it emits stable, high quality illumination, and the technology is dropping in price. The LT45 comes with a 9-volt battery, protective sensor cover, hard case, and user manual.

• Measure White, Red, Yellow, Green, and Blue LED and Standard Lighting in Lux or Foot-Candle (Fc) units
• Manually store/recall up to 99 readings
• 4000 count LCD display
• Cosine and color corrected measurements
• Min/Max Average and Auto Power Off
• Complete with light sensor with protective cover and coiled cable expandable to 59'' (1.5m), 9V battery, and hard carrying case

Measure the Illuminance of White LED Lights

The LT40 LED light meter is useful for measuring and optimizing environmental light levels in a wide range of environments, including office buildings, manufacturing plants and warehouses, university campuses, schools, hospitals, and many other locations. OSHA regulates workplace lighting because illumination must be adequate for assigned tasks, and light meters are used to verify regulatory compliance, as well as state and local public safety codes and ordinances. Use of LED lighting is on the rise because it is more efficient to operate, it emits stable, high quality illumination, and the technology is dropping in price. Besides LED lighting, the LT40 can measure standard light sources fluorescent, metal halide, high pressure sodium and incandescent up to 400,000 lux (40,000 Fc). The LT40 comes with a built-in sensor with protective cover, 2 AAA batteries, storage pouch, and user manual.

• Measure white LED and Standard Lighting in Lux or Foot-Candle (Fc) units
• Built-in sensor with protective cover
• 4000 count LCD display
• Cosine and color corrected measurements
• Min/Max Average and Auto Power Off
• Complete with 2 AAA batteries, and pouch

UV Light Meter for Measuring UVA Light Radiation From Natural and Artificial Sources

The Extech UV510 UV light meter measures UVA light radiation from natural and artificial light sources. It offers a backlit dual display, cosine corrected sensor, two selectable ranges, zero function, min/max recording, display hold, and auto power off. Compact size with handy wrist strap gives you convenience in taking quick UV reading wherever you go.

• Sensor wavelength range 320 to 390nm
• UV sensor with cosine correction measures irradiance from UVA light sources up to 20.00mW/cm²
• Backlit LCD to view in dimly lit areas
• Zero function
• Data Hold and Min/Max functions
• Auto power off with disable
• Tripod mount (optional TR100 Tripod sold separately)
• Complete with wrist strap, light sensor cover, and three AAA batteries

Measure UV-AB Light from Natural and Artificial Light Sources

The Extech UV505 pocket-sized UV light meter measures UV-AB light from natural and artificial light sources used in outdoor activities and indoor medical testing, laboratory/research, industrial, education, electronics, and forensics/criminology applications. It offers a backlit display, cosine corrected sensor, two selectable ranges, zero function, display hold, and auto power off. Includes a pouch to protect and store your meter.

• Sensor wavelength range 290 to 390nm
• UV sensor with cosine correction measures irradiance from UV-AB light sources up to 40.00 mW/cm²
• Backlit LCD for easy viewing
• Zero function
• Data Hold freezes current reading on display
• Tripod mount (optional TR100 Tripod sold separately)
• Complete with two AAA batteries and a pouch

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

The SDL470 is a UVA/UVC Light Meter and Data logger. The SDL470 can measure both long wave and short wave UV irradiance under UVA and UVC light sources respectively. This meter features a cosine correction filter, data logging to Excel format, offset adjustment for relative measurements, type K/J thermocouple input for temperature measurements (probe sold separately), record/recall modes, min and max readings, data hold plus auto power off with disable function. This product comes with a 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.

• 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

Determine The Best Location of Solar Panel and Solar Water Heater Installations

Extech’s SP505 measures solar power level from outdoor sunlight to determine the best location of solar panel and solar water heater installations. It is also used indoors by window manufacturers, automotive industry, and remodeling home owners to check the level of solar radiation transmission through various glass thicknesses and degrees of tinting to use for window installations. Convenient pocket-sized meter with built-in precision solar light sensor is easy-to-use wherever you go.

• Measure solar power light level in watts per square meter (W/m²) or BTU (ft²*h)
• Built-in solar light sensor with precision photo diode
• Zero function
• Data Hold freezes current reading on display
• Tripod mount (optional TR100 Tripod sold separately)
• Complete with two AAA batteries and a pouch