Xi’an Yunyi Instrument Co.,Ltd Mob /WhatsApp:+86-17391853601 Email: [email protected] http://www.yunyiinstrument.com Electronic Density Meter manual Add: Room 11003, 10th Floor, Sihai Center, No. 424, Taihua North Road, Weiyang District, Xi'an 710021, Shaanxi,China

I. Principle: The direct reading gold detector JL3002GT/JL6002GT is based on GB/T533, ISO2781, astmd297-93, DIN 53479, ASTMD792, D618,D891, ISO1183, GB/T1033, ASTM d792-00, JISK6530, ASTM d7992-00, and JISK6530, using the water displacement method of the alkimide. II. Purpose: This machine is mainly used in pawn shop, precious metal recycling, jewelry silver building... And other industries. Accord with GB/T1423 precious metal purity determination method. HI. Instruction Add: Room 11003, 10th Floor, Sihai Center, No. 424, Taihua North Road, Weiyang District, Xi'an 710021, Shaanxi,China

Xi'an Yunyi Instrument Co.,Ltd Mob /WhatsApp:+86-17391853601 Email: [email protected] http://www.yunyiinstrument.com N: Installation 1. Adjust the 4 pins to determine the level of the host, and determine that the sensor platform and the water container support base are not in contact. 2. Add distilled water (product that has not been tested) and put it on the support seat of the water container. 3. The measuring platform is placed on the sensor platform and the bottom of the measuring platform is placed correctly on the sensor platform, and the measuring column is lowered into the water. When...

Xi'an Yunyi Instrument Co.,Ltd Mob /WhatsApp:+86-17391853601 Email: [email protected] http://www.yunyiinstrument.com 2:Turn off the machine. 3: Press “^0^” key while turn on the machine, after show “CAL” remove “Zero” key. 4:Now show “300.000” flashing, put on 300g weight on the pan ,after show “300.00” remove the weight, now show “200.00”, put on the right weight on the pan until show “0.000”, finish calibration. ^Temperature and solution compensation setting The apparent density of the sample to water can be measured by the tester when the water equivalent solution is used. The apparent...

Xi’an Yunyi Instrument Co.,Ltd Mob /WhatsApp:+86-17391853601 Email: [email protected] http://www.yunyiinstrument.com the sample is less than 1.000 g / ㎤ density, then the samples will be under the anti-floating frame shows a negative value for floating body and weight. 3. Press “Memory”to calculate the density value. Particle sample Preparation: 1. Change the liquid medium to alcohol (refer to temperature and solution compensation setting), for example, the surface tension of ethanol is low. 2. Set the density value of liquid media. 3. Prepare 1 measuring cup and 1 tea ball. Steps: 1. Put...

Xi’an Yunyi Instrument Co.,Ltd Mob /WhatsApp:+86-17391853601 Email: [email protected] http://www.yunyiinstrument.com (I) weight instability: Removal method: remove the measuring platform and sink, and see if there is any foreign matter or water drop. If there is any foreign matter or water drop, please remove the foreign object or wipe it clean. (2) if the number appears -------- -e. If you do not return to zero, clear the object on the measuring table first and then contact the supplier to repair it. (3) if there is a fault that cannot be eliminated by itself, do not open the machine without...