ST-86L luminometer manual

operate

• When performing illuminance measurement, first press the "Power", "Illuminance" and any range key (note: do not press the "Illuminance" and "Extended" keys at the same time), then insert the probe into the jack of the reading unit, and then Take off the probe cover, place the probe at the position to be tested, and select the appropriate range button according to the intensity . At this time, the product of the number displayed on the display window and the range factor is the illuminance value ( unit : x l ) . If you want to keep the measurement data , you can press the " Hold " button ( note : you can't press the " Hold " button before the range button is pressed ) , after the reading is completed , you should lift the "Hold" button to return to the sampling state. After the measurement, lift the power button (off ) .  

• If only "1" is displayed on the left end of the display window, it means that the illuminance value is overloaded, or that the "Hold" button has been pressed by mistake before pressing the range button, and you should press a larger range button or lift the "Hold" button. key for correct operation.

• When the "LOBAT" or "←" symbol appears on the upper left of the display window, the internal battery should be replaced.

maintain

Long-term storage of the instrument should be in a clean environment with temperature (0~40°C) and humidity <85%RH, to avoid damage to the instrument caused by strong vibration or beating.

ensure

Within one year of leaving the factory, if the failure is not caused by improper use and maintenance, our factory will repair or replace it free of charge.

For the instruments that need to be re-inspected or repaired after one year, our factory provides preferential services.