At present, all domestic standard COD digestion devices only have heating and countdown functions. The heating plate is an ordinary electric furnace plate of silicon carbide. The size is 20x30cm. The electric heating wire is the most common heating device. The cooling is a special condenser tube plus single fan air cooling. The customer's choice is as long as the power of the fan, the material of the electric furnace plate, the power of the heating wire, the number of digestion samples, the choice of heating bottles (6 250ml conical flasks, 8 300ml and 10 200ml cylindrical bottles) Its heating power is fixed (normally 1200-1500W), and there is no difference in other aspects.
YHCOD-8Z standard COD digestion device, which is an upgraded product of the standard COD digestion device. The heating plate is changed to a special custom insulation material to press and sinter the molding, and the crystallized glass plate is used to heat the mesa. Size: 42×22cm, microcrystalline heating The plate is a single piece. It is very simple to install and replace the electric furnace plate. The whole structure of the heating plate is insulated by air and it is easy to maintain. At the same time, the double fan cooling has a good cooling effect. It can simultaneously digest 8 250ml conical flasks or 12 300ml columns. Bottle samples. The COD temperature heater is designed for constant temperature heating. It heats 12 cylindrical bottles with aluminum blocks, and uses special long cooling tubes to cool naturally.
By comparison, each has its own strengths and integrated the structure and utility of various instruments, we have upgraded it on the basis of standard COD digestion devices. KHCOD-8K-type national standard method COD heating reflux device has been changed to liquid display Chinese display, display standby , heating, cooling, display the actual temperature of the heating plate table, display the heating time countdown, at a glance, while adding a stepless voltage regulator heating function, self-tuning the most recognized heating power, without affecting the temperature of spring, summer and autumn, can guarantee The customer has the best boiling effect. Dual fan cooling, cooling effect is very good.
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