Extech EA30-NIST Easy View Wide Range Light Meter with NIST

is your workplace appropriately lit for worker health and optimal energy use you can measure the illuminance level instantaneously using a light meter and compare the results with the recommended standard of illumination for your space type the X Tech ei 33 meter can measure up to 90 9990 foot candles with an accuracy of plus or minus 3% of the reading and 0.5% full-scale some key parts of the meter include the power button the light measurement display the timer display the hold button the unit of measure button and the light sensor we are in the entryway of a library this room has light from Northwest facing clerestories a Southwest facing curtain wall a north east facing curtain wall and LED overhead lights some of which are daylight harvesting to start measuring the amount of light turn on the meter wait 1 to 2 seconds and remove the protective cap from the sensor the default unit o