Scientific instruments are tools for precision measurement, and their precision and reliability must be an order of magnitude higher than the object being measured. Therefore, although there are not as many components as airplanes, the systematic design is also beyond imagination. The chromatographic column, as a consumable, is a separation center, just like the heart. High pressure, tightness and flow rate stability are required. And the oven needs to be kept at a constant temperature. To prevent leakage, maintain constant temperature, pressurized flow, every link, can not be slack. For materials, seals, and fluid mechanics, a high foundation is required.

The method for checking whether the instrument leaks: pinch off the external vacuum skin tube, and observe whether the vacuum gauge on the instrument can keep the instrument leak-free for five minutes. If there is air leakage, check whether the sealing ring on each sealing joint and rotating shaft is effective. On the contrary, the instrument is normal to check the vacuum pump and vacuum pipeline.

Product features:

* Large LCD display, menu interface, knob switch operation

* Heating pot, Teflon coating, easy to clean, corrosion resistance, high temperature resistance

* Unmanned mode safe operation function, automatic standby at the end of the experiment

* Special bottle retreating knob design, bottle retreating is simple and convenient * Sealing parts: imported PTFE special process mold synthesis

* Touch type handle type double automatic lifting, lifting more secure

* Rotating DC motor power: 70W, smooth start

* The condenser tube is designed with dripping point and anti-backflow device

* Can be set intermittent timing forward reversal, suitable for drying process

* Optional vacuum system, can be set to control any vacuum

* The heating pot is designed with a safety handle, and the shell is insulated to prevent burns

* Equipped with protective cover, heat preservation and energy saving, splash proof, explosion proof

 

Model: HJ-2000A

Rotary speed: LCD display, maximum speed 5~310 rpm/min

Ultimate vacuum degree: evaporation capacity below 399.9Pa(3mmHg): Max.25ml/min(H2O) temperature adjustment range: water bath ~ room temperature ~ 99 ℃ 0.5 ℃

Bath pot material/size: disposable forming Teflon coating, easy to clean, size ~ φ23 × 13cm corrosion resistance, high temperature resistant heating pot with safety handle, shell insulation, prevent burns, moderate volume, rapid heating.

Sample bottle: intermittent left and right rotation, intermittent time adjustable 0~60s, can be used for the drying of powdered samples.

Lifting stroke: touch handle type double automatic balance lifting (lifting stroke 150mm) has a fixed safety distance of 60mm at the end of the descent to prevent collision.

Temperature control: Microcomputer PID controller, digital display

Temperature setting: rotary encoder, rotary input setting, large LCD screen display, convenient and quick

Safety performance: timing function (0-999min): after reaching a predetermined time, the equipment will automatically stop working, return to standby state, and provide early warning protection.

Heater: fully enclosed heater power 1.5KW

The usable capacity of the sample bottle: 0.25 -- 2L

Sealing parts: selection of imported PTFE and special synthetic materials, the special process technology to deal with mold synthesis, enhance sealing, corrosion resistance and wear resistance.

Condenser tube: vertical, three-layer ball mill serpentine condenser tube, with a condensation area of 0.21m, with drip point and anti-backflow design. (Effectively improve work efficiency)

Use environment temperature: 5 ℃ ~ 40 ℃

Factory configuration: sample bottle: 29# eggplant-shaped bottle 1L * 1, 29# to 29# mouth splash-proof ball 1, recovery bottle: S35 ball mill mouth collection bottle 1L * 1.

Input power: AC220V/50HZ

Size/Weight: Package size 71 x 64.5 x 51cm/Instrument size 66 x 42 x 83cm/Gross weight 30kg.