HH-W420/600 constant temperature water bath

The HH-W420/600 constant temperature water bath is widely used for distillation, drying, concentration, and impregnation of chemical or biological products. It is an ideal tool for laboratory technicians in various universities, environmental protection, scientific research, health, epidemic prevention, petroleum, metallurgy, chemical, medical and other units.

　　HH-W420/600 constant temperature water bathWidely used for distillation, drying, concentration, and impregnation of chemical or biological products. It is an ideal tool for laboratory technicians in various universities, environmental protection, scientific research, health, epidemic prevention, petroleum, metallurgy, chemical, medical and other units.

　　1： Main technical parameters:

1: Power supply: 220V 50HZ

2: Temperature control range: Room temperature -100 ℃± 0.1 ℃（Reaching 100At ℃, d is displayed, and the maximum value can reach 105 ℃, which is d5.0

3: Uniformity:<± 0.2 ℃

4: Heating power: 800 W-1500W

5: Studio (mm) HH-W420B: 420 × 180 × 150 HH-W600B: 600 * 300 * 170

6: Mixing speed: 0-1800 revolutions per minute (adjustable)

　　2： Structure:

This product is a sink type, with a high-quality stainless steel inner liner and a high-quality cold-rolled sheet coated outer shell. The inner liner and outer shell are insulated with glass wool for fast and energy-saving heating. It is also equipped with a constant temperature regulator, and users can set the temperature according to their needs.

　　3： Usage:

1: When in use, water can be added according to the required capacity to shorten the heating time. (Be careful not to add too much water to prevent it from spilling out of the pot when boiling, and be aware that the amount of water in the pot should not be less than two-thirds of the height of the water tank. If the amount of water is too low, it will cause excessive temperature shock and inaccurate temperature measurement. Long term use requires frequent addition of water, and the electric heating tube in the pot should not be exposed to the water surface to avoid burning out the electric heating tube and causing water leakage.). Connect the power, turn on the power switch, and the indicator light will turn on

2. After power on, the DFS will flash first, followed by the day To detect if there are any missing digital tube strokes

　　3.Set temperature:Press the SET button to set the indicator light SL and enter the temperature setting state. Press the up key ▲ to adjust it up by 0.1 ℃. Press the down button ▼ to adjust 0.1 ℃ downwards, and long press the ▲▼ button to quickly increase or decrease. Press the SET button again to return to the measurement mode.

　　4.Adjust the heating power coefficient:Press and hold the SET button for 5-8 seconds, * will display d. Enter the setting for the lowest heating power coefficient, and it will automatically turn on as 3. It can be adjusted from 1-9 When using 70-99.9 ℃, the heating power coefficient can be adjusted to 4-9.

　　5. Correction of errors:When confirming that the value displayed on the instrument is not the correct measurement value, the displayed value can be corrected. Press the SET button for 5-8 seconds to enter the inner menu of the instrument panel. The * displayed parameters are P. Enter the set minimum heating power coefficient, and press the SET button again to display the error correction parameter C. Use the △ or ▽ button to modify this parameter. The range of error correction is -9.9 ℃ to+9.9 ℃,For example, the temperature controller displays a temperature of 37If the actual temperature inside the water tank is 36 ℃, then the C value will decrease by 1 ℃.If the temperature controller displays temperature 37If the actual temperature inside the water tank is 38 ℃, then the C value will increase by 1 ℃. ）After the correction is completed, press the SET key again to exit. The C value of the instrument has been corrected when it leaves the factory. When using it, it is necessary to prevent correcting the instrument that displays correctly to be incorrect.

　　6 .Wiring:

There are 4 terminals on the single-sided power board, with 2 terminals facing each other and connected to AC220V on the lower right and 2 terminals connected to heating tubes on the left

Single panel and reverse panel should be connected with connectors, and reliable connection should be ensured when inserting

4： Safe use of electricity:

This product uses 220V AC power, and the three pin socket must be properly grounded during use. The grounding wire can be welded to the water pipe,

Alternatively, a 2-meter-long and 25mm diameter white iron pipe can be welded and buried underground. Never connect it to the gas pipe.

5： Attention:

1: Do not turn on the power before filling the pot with water, and cut off the power before draining.

2: To extend the service life of the instrument, please be careful not to let water enter the control box to prevent electric shock accidents caused by moisture and leakage.