OPERATION MANUAL Ⅲ PANEL DESCRIPTIONS:

DIGITAL LUX METER

Your purchase of this DIGITAL LUX METER marks a
step forward for you into the field of precision
measurements. Although this LUX meter is a
complex and delicate instruments, it’s ruggedness
will allow many years of use if proper operating
techniques are developed. Please read the following
instructions carefully and always keep this manual
within easy reach.
Ⅰ FEATURES
 Precise and easy readout.
 High accuracy in measuring.
 LSI-circuit use provides high reliability and
durability.
 Permits a wide range of light measurements.
 LOW BATTERY indicator.
 Adjusting zero automatically and excellent
1. Photo detector
operation.
2. LCD display
 LCD display provides low power consumption
3. Celsius and Fahrenheit temperature conversion,
and clearly read out evening high ambient light.
when the need to measure the temperature unit
 Separate LIGHT SENSOR allows user take conversion, press this button to convert 。
measurements at an optimum position. 4. Range select button 。Long press to exit RANGE
Ⅱ GENERAL SPECIFICATIONS state and enters the AUTO state.
Display: Maximum reading value display 3999 5. Short press can record data, press once time will
Ranges: 1-400,000Lux.;Resolution: 0.1Lux/Fc record a data.Long Press to read the data (MEM)
state, total 33 sets of data can be
Accuracy: ≤10,000Lux: ±4%rdg±0.5%f.s
recorded.Records can be recycled.Through
≥10,000Lux:±5%+10digits(Calibrated to
button 11 and 10 look up and down the records.
standard incandescent lamp at color temperature
6. MAX and MIN selection button. MAX-MIN-once
2856K) press is canceled state. cyclable.
Repeatability:±2% ;Temperature : ±1℃ 7. Back Light Button Switch
Photo detector: one silicon photo diode with filter. 8. Press the “REL” key, the meter enters relative
Operation temperature-humidity:-0℃ to measuring mode, “REL” is displayed on the LCD
40℃(32℉-104℉) 0～70%Rh and the present reading becomes the reference
value and displayed on the display.
Storage temperature-humidity: -10℃ to
9. Select FC units. When reading data state, Press
50℃(14℉-122℉) 0～80%Rh
the look down keys.
Dimension: 174×51×32mm
10. The switch button, press the first boot, twice will
Weight: approx. 188 g (including battery) shutdown. Auto-off time of 10 minutes
Power Supply two1.5V battery. Consumption current 11. Select the Lux units. When reading data state,
approx.3mA can use the look up button to select.units.
Accessories: Instruction-manual 12. HOLD key: Press the “HOLD” key to lock display
 value, and the “DH” sign will appear on the or humidity is excessively high.
display, press it again to exit. 3. The reference level, as marker on the face plate,
is the tiof thep photo detector globe.
Ⅳ OPERATION INSTRUCTIONS:
4. The calibration interval for the photo detector will
1. Connect the battery, and then press the button to
vary according to operational conditions, but
“ON”
generally the sensitivity decreases in direct
2. Remove the photo detector cap and face it to
proportion to the product of luminous intensity by
light source in a horizontal position.
the operational time. In order to maintain the
3. Read the test value from the LCD display. basic accuracy of the instrument, periodic
4. Over range: if the instrument only display one calibration is recommended.
“OL” in the LCD, the input signal is too strong, Ⅷ RECOMMENDED ILLUNINATON：
and a higher range should be selected. Conference, reception
5. Data-Hold mode: press the HOLD key to select room 200～750Lux
Hold model. When HOLD mode is selected, the OFFICE Clerical work 700～1,500Lux
LUX meter stops all further measurements and
Typing drafting 1,000～2,000Lux
the test value with hold on the LCD. Press the
button “HOLD” to the “ON”, the hold value will be Packing work,
entrance passage 150～300Lux
cancelled.
Visual work at
6. When the measurement is completed, replace 300～750Lux
production line
the photo detector cap and turn the power FACTORY
Inspection work 750～1,500Lux
selector OFF.
7. When testing on strong light source(over 100k Electronic parts
assembly line 1,500～3,000Lux
lux),the measure head need to close to light
Public room,
source slowly for measure .if can't test,move cloakroom 100～200Lux
measure head away and test it again HOTEL
Reception, cashier 220～1,000Lux
Ⅴ BATTERY CHECK-UP & REPLACEMENT:
1. It is necessary to replace another one 9V battery, Indoors stairs corridor 150～200Lux
when left corner of LCD display show“ ”. Show window, packing
2. After turning off the meter, press the battery STORE table 750～1,500
cover and push in the direction of the arrow to Forefront of show
window 1,500～3,000
open.
3. Disconnect the batter from the instrument and Sickroom, warehouse 100～200Lux
replace it with a standard 9-volt transistor battery Medical examination
and go for the cover. HOSPITAL room 300～750Lux
Ⅵ SPECTRAL SENSITIVITY CHARACTERISTIC: Operation room,
S p ec tral S e n sitivity
emergency treatment 750～1,500Lux
- V (入) Auditorium, indoor
gymnasium 100～300Lux

SCHOOL Class room 200～750Lux

Laboratory, library,
drafting room 500～1,500Lux
Ⅶ MAINTENANCE: Above picture and content just for your reference.
1. The white plastic disc on the top of the detector Please be subject to the actual products if anything
should be cleaned with a damp cloth when different or updated. Please pardon for not informing
necessary. in advance.
2. Do not store the instrument where temperature