Light Meter Handheld Digital Illuminometer Lumen Tester 9V Range 0.01~20,000Fc Light brightness measurement tool for Planting Description: Widely Applications Digital Luxmeter, Digital Illuminance/Light Meter Handheld Actionometer Foot Candle Meter is widely use in school, office, family, industry, warehouse, laboratory etc. Operation Tips 1. Please make the measurement sensor vertically face the light source when you measure brightness. 2. You can select the measurement unit(Lux/Fc) by short pressing the MODEbutton for 1 second. 3. You can choose your needed measurement mode (Normal / Average / Max ), by long press the MODE button for 3 to 4 seconds. 4. You can hold the current measurement data by short pressing the HODE button for 1 second. Specification Range: 0.1~200,000Lux/ 0.01~20,000Fc Accuracy: 4% Measurement speed: 2 times / second Operating environment: 14 to 122, 10% ~ 90%RH Power supply: One 9V battery (no Included) Display: Large LCD characters display Auto power off time: After approx 15 minutes Units: Lux & Fc Dimensions: 145 X 67 X 32mm (5.7" x 2.6" x 1.3") Weight: 100g Specifications: Digital Luxmeter, Digital Illuminance/Light Meter Handheld Actionometer Foot Candle Meter is widely use in school, office, family, industry, warehouse, laboratory etc. Package Included: 1 x Light meter 1 x manual Notes: 1.Dont place the unit in high temperature / humidity environment. Keep the surface of optical detector clean when in use, make sure the reference level is vertically facing the light source. 2.When the low battery icon appears on the display, replace the battery as soon as practical. 3.Please cover the protective cap and store the instrument in a stable, dust-free environment out of direct sunlight, when not in use for the life of meter. Specifications: Digital Luxmeter, Digital Illuminance/Light Meter Handheld Actionometer Foot Candle Meter is widely use in school, office, family, industry, warehouse, laboratory etc. Package Included: