Buttons' instructions:
Power Button : Power ON / OFF
MAX / MIN Button:
Short press for changing mode : normal / max / min modes
Back Light Button :Short press for choose Lux or Fc , long press for back lightswitching .
Hold Button :
Short press for holding the LCD reading
Auto Power OFF :
This instrument will be Auto Power OFF if there is no any button pressing in 10 minutes . This design is for saving battery power consumption
Battery replacement :
When the low batery appears on the display , replacethe battery as soon as practical
1.Remove the rear battery compartment cover
2.Replace one 9V battery .
3.Cover the compartment door
Care and Maintenance :
When the instrument is not in use store theinstrumentin a stable,dust - free environment out of direct sunlight. Remove the battery from the instrument if it is to bestored for periods of more than one month,or when thelow battery power symbol appears on the display
Specifications :
1.Large LCD characters displayo
2.Range : 0 . 1-200 , 000LUX , 0 . 01-20 , 000FCO 3.Resolution : 0 . 1LUX / 0 . 01FCe
4.Accuracy : + 4%
5.Measurement speed : 2 times / seconde
6.Units : Lux FcO
7.Hold functionO
8.Auto range
9.Auto Power OFF : After approx 10 minutes
10.Power Supply : One 9V battery
11.Low power of battery detecting
12.Operating Environment : 0 to 50C , 10 % -90 % RH
13.Dimensions : 40.5 x40 . 5x138mm
14.Weight : 68g
illuminance standard reference table
1.30-75 lux
Ware House , Garage , DarkroomLounge
2.75-150 lux
Corridor , Toilet , Locker roomChannel , Guest room
3.150-300 lux
Classroom , Hall . RestaurantWard , Living room
4.300-750 lux
Laboratory , Conference roomKitchenHall channel , Operation room
5.750-1500 lux
Counter , Workshop
6.1500-3000
Uitra precision workshop
7.3000-10000
Visual function checking room