Operating Instruction for Data Logger Lux Meter LX-104 Please read this manual before switching the unit on. Important safety information inside.
Data Logger Light Meter Page Content 1.Instruction....................................................................................4 2.Features....................................................................................... 4 3.Specifications...............................................................................5 4.Description................................................................................... 6 5.Operating Instructions.......................................................
Data Logger Light Meter 1.Instruction • The digital illuminance meter is a precision instrument used to measure illuminance (Lux, footcandle) in the field. • It is meet CIE photopic spectral response. • It is fully cosine corrected for the angular incidence of light. • The illuminance meter is compact, tough and easy to handle owing to its construction. • The light sensitive component used in the meter is a very stable, long-life silicon photo diode and spectral response filter. 2.
Data Logger Light Meter 3.Specifications Display Measuring Range 3-3/4 digit LCD with high speed 40 segment bar graph. 400.0Lux, 4000Lux, 40.00kLux and 400.0kLux / 40.00FC, 400.0FC, 4000FC, 40.00kFC Note: 1FC=10.76Lux, 1kLux=1000Lux, 1kFC=1000FC Over Range Display LCD will show “OL” symbol. Spectral Response CIE Photopic (CIE human eye response curve). CIE V λ function f1’<6% Spectral Accuracy f2’ <2% Cosine Response ±3% rdg±0.5%f.s. (<10,000Lux); ±4% rdg±10d.
Data Logger Light Meter 4.
Data Logger Light Meter 5.Operating Instructions 5-1.Power-Up Press the Power Button to turn the meter ON or OFF. 5-2.Selecting the Lux or FC scale Set the RANGE Button to desired Lux or FC range. 5-3.Auto Power Off Press the REC/SET Button and RANGE/APO Button, enable the Auto Power Off or disable this function. 5-4.Over Range • If the instrument only displays “OL”, the input signal is too strong, and a higher range should be selected. • The range will show on the down of the LCD.
Data Logger Light Meter 5-10.Setup Time and Sampling Rate • Press the MEM/SETUP Button and UNITS Button key start to setup the time and sampling.
Data Logger Light Meter 6.Battery Check-Up & Replacement 1.As the battery power is not sufficient, LCD will display low battery and replacement of one new battery is required. 2.After turning off the meter, disconnect the battery cover with a screwier. 3.Disconnect the battery from the instrument and replace it with a standard 9V battery and go for the cover. 7.
6.Once the software is installed, switch on the meter. 7.Start the software. 8.Selected the COM port 3, note is 4. 9.If the connection is in order, the following display will be seen on the screen; If the connection is not in order, the message “NO CONNECTION” appears on the screen. 10.Maintenance • The white plastic disc on the top of the detector should be cleaned with a damp cloth when necessary. • Do not store the instrument where temperature or humidity is excessively high.
Data Logger Light Meter www.htcinstrument.com Rev.