RS Pro RS-92 Manuel D'instructions page 3

Mini Light Meter / English
1. Photo detector
2. LCD display: 3-3/4 digit displays with a
maximum reading of 3999, and display the
indicating signs of measured values, unit function
symbols and decimal points etc.
3. HOLD/ button: Short press the button to
keep /release the data; Long press to switch back
light.
4-MAX/ MIN button: Min/Max reading recorder
control key.
5-Power on/ off, Auto-power off:
Power on: Short press button " " to power on,
system default auto power off . Long press to
power on and disable auto power off function.
Long press the button again to enable the auto
power off function
Power off: Short press button " " to power off.
Auto-power off: Auto-power off signal " " displays in the left coner of LCD and the
instrument will auto-power off in 10minutes of no button operations.
If press the power on/off button for over 1minutes, it will be recognized as faulty
operation and the instrument will auto power off.
6. RANGE(LUX/FC) button: Short press to choose auto-range or manual range; Long
press to swith the unit displayed.
(LUX/FC)(1FC =10.76 LUX)
7. Bluetooth button: Long press to switch on/off the bluetooth.
5. Operating Instructions
1. Press the power key to power on/off.
2. Long press RANGE(LUX/FC) button to choose LUX or FC.
3. Short press RANGE(LUX/FC) button to choose auto-range or manual range.
4. Face it light source in a horizontal position.
5. Read the illuminance nominal from the LCD display.
6. 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 at the bottom of the LCD,
2
All manuals and user guides at all-guides.com
LUX :400 -> 4K -> 40k -> 400k; FC: 40 -> 400-> 4k -> 40k.
7. Data-Hold mode: Press the hold key to select Data-Hold mode. When HOLD mode is
selected, the illuminance meter stops all further measurements. Press the HOLD key again
to exit Data-Hold mode.
Then it resumes normal operation.
8. Maximum and Minimum mode: Press MAX/MIN key to choose the Maximum (MAX)
reading, Minimum (MIN) reading and current reading (MAX/MIN blink) mode. Press MAX/
MIN key again to exit this mode.
9. Bluetooth function: Long pess Bluetooth key to switch on the function. User can
transfer data from the instrument to Phone APP.
6. Battery Check-Up & Replacement
1. LCD will display low battery when the battery power is not sufficient, please replace
2. Disconnect the battery cover after powering off the instrument.
3. Then replace the exhausted battery with a standard 9V battery.
7. Spectral Sensitivity Characteristic
The applied photo diode with filters makes the spectral sensitivity characteristic almost
meet C.I.E.(INTERNATIONAL COMMISSION ON ILLUMINATION) Photo curve V( ) as the
following chart described.
04/01/2018 Version No. 001 04/01/2018 Version No. 001
one new battery.
1.2 RELATIVE SENSITIVITY(%)
1.0
0. 8
0. 6
0. 4
0. 2
0
380 40 0 50 0 60 0
Mini Light Meter / English
CIE
LIGHT METER
700 78 0
WAVELENGTH IN NONOMETERS
3