Hand-held light meter & optometer

Home screen is used to move between applications including:

• Meter tall for portrait, meter wide for landscape
• Trend tall for portrait, trend wide for landscape
• Cloak for low light environments, includes large 1 touch sampling button
• Light stack sets up indicator levels: Green for good, yellow for caution, red for warning
• Time and date for setting the calendar and clock
• Settings for changing parameters such as, calibration factor selection, sample time, background brightness, bias on/off, etc.
• LightCalc handy calculators such as lux to fc converters
• Files provides easy access to saved data
• Info lists the firmware and software version

Meter screen provides a large numerical display which allows customers to easily view the measurement data. While using Meter, customers can also perform many processes including:

• Increase or decrease digits of resolution
• Display units: Empirical units-calibration units, current, % etc.
• Zero: Sets the zero level for ambient subtraction or dark zero.
• Integrate: Provide a summation of the exposure
• Hold: Freezes the value in the numerical display
• Min/Max: Toggles between Min on, Max on, Min/Max off. Min-display remains fixed until a reading lower than the displayed value is obtained. Max changes when a higher reading is obtained
• 100 %: Sets the value for 100%
• Record: Continuous recording of data on/off (Record/Stop Recording)
• Capture: Stores a single reading with date time stamp when pressed

Trend screen has all the same features included in meter plus a large easy to read graph showing the readings over time. The graph can be displayed in bar or line graph format.
Trend Tall is used for portrait mode and Trend wide is used for landscape mode. The Y scale of the graph is the measurement data in the programmed calibrated units, amps for uncalibrated sensors, or in percentage. The X scale is the time interval in seconds. The inclusion of the graph reduces the size of the toggle buttons, but does not eliminate any features.

• Hold: Freezes the value in the numerical display
• Min/Max: Toggles between Min on, Max on, Min/Max off. Min -display remains fixed until a reading lower than the displayed value is obtained. Max changes when a higher reading is obtained
• 100 %: Sets the value for 100 %
• Record: Continuous recording of data on/off (Record/Stop Recording)
• Capture: Stores a single reading with date time stamp when pressed

Cloak limits the amount of light added to the environment during test. It was designed to allow taking measurements in a dark environment as easy as possible without compromising the results. Simply touch the oversized sample button and a single reading will be stored into the internal memory.

• The ILT2400 includes a micro USB cable that can be use to extract all saved readings with a date time stamp using Cloak, Trend and Meter apps.
• The home button at the bottom returns the display to the home screen as shown above.