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Introduction Thank you for your purchase of the MT-4617LED Light Intensity Meter designed and manufactured by our company. This meter will with proper use, provide years of reliable service; therefore, it is recommended that the user read carefully the user manual before using the light meter and keep it in right place for reference.
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Operation considerations User should observe the following notices to guarantee safe operation and obtain optimum performance. Preliminary check Before initial use, please check if the light meter operates normally and if it is damaged during storage and transportation. In case of any damage, please contact the supplier.
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3. The light meter can only be calibrated and repaired by professional personnel. 4. Before each use, the opto-sensor of light meter should be checked for damage and dust. Make sure the meter is in good, smooth and clean condition. If one or more functions of the light meter are irregular or not ready for operation, avoid using the meter.
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Introduction Product description The MT-4617LED Light Intensity Meter has a friendly human-machine interface and can be activated by a simple press of keys. The buzzer activates upon key press to notify that it is effective. It designed for measuring all visible light produced by all color of LED, fluorescent lamp, metal-halide lamp, high voltage sodium lamp or electric incandescent lamp.
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Name and function of components Plan view 1. Opto-sensor protection cover 2. Opto-sensor 3. LCD display screen 4. Compound key for main power and touch tone: Power on/off: Short press the key to activate the instrument and long press for 1 second to shut it down. Touch tone on/off: Under working mode short press the key to turn the touch tone on and off.
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5. max and min values inquiry key 6. Lux/Fc unit conversion key 7. Compound key for data hold and zero calibration: Data hold: Short press the key to enter/exit data hold mode. Zero calibration: Long press for 1 second to perform Zero calibration function.
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Prompt for low battery Prompt for relative value measurement mode 10. Prompt for max and min values inquiry 11. Select light source. 12. Light source code. 2 Measurement methods Notices prior to measurement Warning 1: Do not use the light meter in environments full of dusts or having gas substances and flammable steam substances! 2: Do not use the light meter for measurement in the place with high temperature and high humidity.
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Remove the protection cover of the MT-4617LED multi-functional light meter sensor and place it at right angle to the light source. Press and hold the MT-4617LED power key ④ for a short time to power on the light meter. The LCD screen will illuminate(about 5 seconds)with the buzzer beeping twice, and “AUTO”...
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LCD interface will disappear, and the mode will exit. Press and hold the data hold/zero calibration key ⑦ of the MT-4617LED for a short time to enter the data hold mode, which will be indicated by the apparition of “HOLD” on the top left position of the LCD interface;...
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In any mode with sensor covered, press and hold data hold/zero calibration key ⑦ for one second, “ADJ” will appear on the LCD interface, and the device will enter the zero calibration mode: several seconds later “ADJ” will disappear from the LCD interface, and the device will exit the data hold mode and return to auto measurement mode.
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Figure 3-1-1 20.00Lux interface 200.0Lux interface 2000Lux interface 20000Lux interface 200000Lux interface Tips 1: Only in peak value measurement mode, relative value measurement mode and max/min value inquiry mode, will it be effective to press RAN key for a short time. 2: In relative value measurement mode and max/min value inquiry mode, press and hold the key for one second, it will return to auto switchover of range.
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3: In peak value measurement mode, data hold mode and zero calibration modes, it will be effective to press and hold RAN key for a long time. 4: In this mode, when measurement value exceeds present range, “OL” will appear on LCD interface to indicate over-range, and the user should switch over the measurement range at this time.
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1: Only in auto measurement mode, peak value measurement mode, max/min value inquiry mode and data hold mode, it will be effective to press and hold REL/PEAK key for a short time. 2: In non-zero calibration mode, press and hold “REL/PEAK” for one second, the device will enter the peak value measurement mode.
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Cover the opto-sensor with the visor, and press and hold “HOLD/ZERO” key for one second, “ADJ” will appear on LCD interface (as shown in figure 3-1-4B), then the device will enter the zero calibration mode. Several seconds later, “ADJ” on LCD interface will disappear, and zero calibration mode will automatically exit and return to auto measurement mode.
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L7~L9 parameters according your need, but highly recommend keeping L0-L9 parameter as standard. Other Functions Auto power-off If there is no action on keys of the MT-4617LED for a long time, the meter will automatically power off about 10 minutes later.
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Technical Data ‧Temperature range: Operation:-10~50°C, max 80 % HR(Non-Condensed) Storage:-10~50°C,max 80 % HR (Non-Condensed) (removing batteries) ‧Sampling rate: ≥2 times/s。 ‧Display: 3½ digits, 1999 counts, with analog bar display; ‧Sensor: silicon photoelectric diode ‧Measured spectral range: 320~730nm ‧Measurement ranges: 20, 200, 2000, 20000, 200000, Lux20, 200, 2000, 20000 FC ‧Operating environment: indoor use ‧Height: 2000m highest...
Maintenance and Service Service Notice When the meter seemingly fails during operation, following steps should be followed to check the fault problem: 1: Check batteries. If “ ” appears on the LCD display, batteries should be replaced. 2: Repair on the meter should be performed by service centers or other qualified service professionals.
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2: Never connect one polarity of the battery to the other one with wire, nor throw batteries into fire, or it will cause an explosion. 3: Do not attempt to dismantle the battery! The battery’s intensively alkaline electrolyte is corrosive and endangers the user. In case of contact of the electrolyte with skin or clothes, immediately rinse touched parts with clean water;...
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