叶绿素仪的使用（The use of chlorophyll meter）.docVIP

叶绿素仪的使用（The use of chlorophyll meter） Ten points for attention of chlorophyll meter Determination of chlorophyll chlorophyll content measurement instruments are a professional, through measuring instrument using the portable chlorophyll chlorophyll content to understanding can help us understand the nitrogen element in the soil more or less, we help the scientific and reasonable fertilization in certain degree, but a few below when using a portable chlorophyll meter to to pay attention to, so as to maintain the life of the instrument, and ensure the accuracy of measurement results. 1, the measurement area is only 2mm * 3mm (thickness is not more than 1.2mm), for narrow leaves, the measurement is also effortless. The center line indicates the center of the area to be measured. Therefore, it is impossible to use this instrument to measure the thickness of the measurement beyond the range of measurement so that the accuracy of the measurement result can be guaranteed. 2, chlorophyll meter is waterproof, in rainy days can be used as usual, after use with dry soft cloth wipe, but the machine can not be soaked in water or wash with water. Avoid the damage of some functions in the instrument due to the entry of water. Pay attention to this point and extend the life of the instrument properly. 3, when using the instrument, do not vibrate violently. 4, dont press the display screen and the measuring head, avoid the equipment damage, thus prolonging the service life of equipment. 5, do not put the instrument in the sun or near the heat source, to reduce the experimental error. 6, after the use of this instrument, must remember to shut down, because he used in the measurement of the battery, to avoid long-term boot, resulting in low power automatic shutdown, data loss. 7, dirty instrument, wipe with dry cloth, can not contact the surface of the instrument with alcohol or chemicals, reduce these chemicals damage to the instrument. 8, do not disassemble the instrument, the instr