Do you have a question about the Extech Instruments LT505 and is the answer not in the manual?
Type | Light Meter |
---|---|
Light Source | LED |
Resolution | 0.01 Lux |
Resolution (alternative) | 1 lux (0 to 9, 999 lux), 10 lux (10, 000 to 50, 000 lux) |
Display | LCD |
Display Digits | 4 digits |
Data Hold | Yes |
Auto Power Off | Yes |
Sensor | Silicon Photo Diode with Filter |
Sampling Rate | 2.5 times per second |
Battery | 9V battery (included) |
Operating Temperature | 32°F to 122°F (0°C to 50°C) |
Instructions for powering the meter on and off.
Procedure for calibrating the sensor to zero.
How to aim the sensor and view measurements.
How to toggle between Lux and Foot-candles.
How to freeze or unfreeze readings.
Explains tracking maximum, average, and minimum readings.
Ensure light falls perpendicularly on the sensor for accuracy.
Protect sensor, remove batteries for long-term storage.
Procedure for replacing the meter's batteries.
Guidelines for cleaning the meter and proper storage.
Examples of typical light levels in various environments.
Information on the meter's spectral sensitivity.