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Clamp type intelligent grain moisture tester instruction manual
The amount of braking Lu Zi No. 07000035 Â Executive Standard Q/QHL001-2006
I. Overview:
The instrument is a resistive moisture tester, which is mainly composed of a measuring sensor, a temperature sensor, a humidity sensor, an operational amplifier, a microcomputer processor (CPU), a liquid crystal display (LCD), and a boosting power source. The CPU uses the CPU to calculate and compare the measured data. It has automatic correction and compensation functions. The instrument itself can be automatically detected and proofed to ensure the accuracy of the measurement; it has a fault alarm prompt; the voltage is too low and the automatic shutdown function; The smart instrument is compact and lightweight, easy to carry, accurate, stable, highly integrated, and easy to maintain and use.
Second, technical indicators:
1. Measuring varieties: wheat, corn, rice, rice, red grains, millet (noodles, noodles).
2. Measurement range and error: 7%~25%, measurement error is not more than + 0.5%.
3. Power supply: 4 batteries of 5th battery (1.5VÃ4=6V).
4, the use of the environment: temperature: -10 0 C ~ +45 0 C; relative humidity: 25 0 C is not more than 90%.
5. Volume and weight: The outer dimensions are 185Ã85Ã40 (mm 3 ), and the mass is about 1.3kg.
Third, the use of:
1. First install the plug of the measuring sensor on the instrument, and the sensor should be in no-load condition.
2. Press “Power†button to start up. At this time, the microcomputer processor will automatically detect and compensate the measuring sensor, the instrument itself and the ambient temperature. The display will display the ambient temperature value for three seconds. When the detection is normal, the instrument will finally display “00.0â€. % moisture", at which point moisture measurements can be made.
3. Selection of varieties: Press and hold the “Function†button for three seconds. After hearing a “嘀†sound, you can select the variety. Each time you press this button, select a measurement type. When the product is selected, do not press it again. The “Function†button, after two seconds, the microcomputer processor will remember for a long time and is not affected by the instrument switch.
4. When clamping, clamp the clamp handle so that the positioning pin of the clamp handle contacts. At this time, the data displayed on the display screen is the moisture value of the measured grain. This moisture value includes temperature compensation.
5. When the moisture value of the tested variety exceeds 25%, the instrument will display the flashing “99.9†alarm character.
6. After the measurement is completed, press and hold the “Power†button for three seconds. After the “嘀†sounds, the instrument will be turned off. If it is not measured within 20 minutes, the instrument will automatically shut down, thus extending the battery life.
Fourth, the elimination of instrument error: When there is a significant error between the measured value of the instrument and the actual water content of the variety, the following methods can be used to eliminate:
1. In the off state, press and hold the “Function†button, then press the “Power†button to turn on the instrument, the instrument will enter the error adjustment state, and the instrument will display “00.0%â€;
2. Press the “Function†button for two seconds and then hear the “嘀†sound, you can adjust the compensation value. Each time you press the “Function†button, the water compensation value will be changed cyclically according to the following table:
Display value
00.0%
00.5%
01.0%
01.5%
02.0%
02.5%
03.0%
03.5%
04.0%
04.5%
05.0%
10.5%
11.0%
11.5%
12.0%
Compensation value
00.0%
+0.5%
+1.0%
+1.5%
+2.0%
2.5%
+3.0%
+3.5%
+4.0%
4.5%
+5.0%
-0.5%
-1.0%
-1.5%
-2.0%
3. When the moisture error compensation value is selected, press the “Power†button to turn it off. When it is turned on again, the microcomputer processor (CPU) will remember for a long time and automatically compensate the moisture value of the tested product to measure the accurate content. Amount of water
4. When the battery is replaced, the moisture value measured by the instrument will automatically default to the standard value (ie: factory set value). If the error adjustment is needed, the above three items can be re-adjusted.
Fifth, the instrument is equipped with:
1 one instrument 2 one clamp sensor 3 outer packaging one 4 screwdriver one 5 instructions one 6 certificate
Six, note:
1. The instrument measurement sensor should be kept clean and dry. If the display shows data when there is no measurement sample, it means the instrument or sensor is damp. Please blow it dry with a blower.
2. The impurities in the test variety have a great influence on the test results. The impurities should be removed and then measured.
3. If the ambient temperature is not displayed when the instrument is turned on, or the “low voltage†character appears on the display, the battery should be replaced in time, otherwise the measurement accuracy will be affected.
4. When using the instrument, avoid direct sunlight. When the instrument moves in different ambient temperature, it should be measured after the temperature is balanced, otherwise it will affect the moisture value of the measured variety.
5, the instrument from the date of sale, free warranty for one year, lifetime after-sales service. When the instrument is not used for a long time, be sure to remove the battery! If you forget the battery or the battery is leaked due to the replacement of the inferior battery, the circuit will be damaged and you will not enjoy the free warranty!