Milwaukee MW700 Lux Light Meter w/Waterproof Probe

DESIGN FEATURES

• Fast, easy-to-read results with large digital LCD readout
• Waterproof silicon photodiode sensor attached to a 4.4' cable
• Three resolution settings - 1, 10, and 100 Lux
• Accuracy to ±6% of reading ±1 digit
• Lightweight and portable
• 150 hours of battery life with continuous use (battery included) with low battery warning 
   

MEASURING LUX AT THE BOTTOM OF AN AQUARIUM:

• Put the light sensor on a stable surface in the aquarium, and hold the meter at a proper distance to avoid any interference or disturb to the sensor illumination.
• Turn the meter on by pressing the ON/OFF key. Press one of the three "Range keys" to select the proper scale according to the intensity of the light. 2000-19000 is recommended for measuring LUX in aquarium.
• Wait for about 1 second for the reading to stabilize.

SPECIFICATIONS

• Range: 0.000 to 1999 Lux; 2000 to 19999 Lux; 20000 to 50000 Lux
• Range Setting: Manual through key buttons
• Resolution: 0.000 to 1999 Lux: ±1 Lux; 2000 to 19999 Lux - ±10 Lux; 20000 to 50000 Lux - ±100 Lux
• Accuracy: ±6% of reading ±1digits
• Peak wave length: 560 (nm)
• Sensor type: Silicon Photodiode (connected to meter)
• Sensor sensitivity: 100 scotopic LUX
• Sensor stability: ±2% change per year (in first two years)
• Environment: 0 to 50°C / 32 to 122°F; max RH 95%
• Battery Type: 1 x 9V alkaline
• Battery Life: Approx. 150 hours of continuous use
• Auto-off: after about 5 minutes of non-use
• Dimensions: 5.6 x 3.1 x 1.25 inches
• Weight (meter with sensor): 9.5 ounces