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Digital Display High Precision Temperature Controlled Cooling Circulators

Digital Display High Precision Temperature Controlled Cooling Circulators

Small Laboratory High Precision Water Recirculating Circulating Process Chillers adopt compression refrigeration mode, which is able to provide cryogenic liquid for evaporating low boiling point material.

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Parameter

Structure Diagram.jpg

Structure Diagram


Instrument Introduction

DWXH series Cooling Circulator, adopt compression refrigeration mode, which is able to provide cryogenic liquid for evaporating low boiling point material. It can cool the test tube, reactor directly under low temperature chemical reaction or store chemical and biological products under low temperature. Also it can be combined with rotary evaporator, vacuum freeze-drying oven, and vacuum pump, etc.

Instrument Features

■ Large-capacity open bath combined with outside circulation can not only be used as freezing tank, but also provide cooling fluid 

■ Original imported fully-enclosed compressor unit and circulating pump, with advanced performance and reliable quality

■ International advanced refrigeration unit constitute with special relay, protector, condenser, can work continuously

■ With the setting and digital display of temperature, the operation is simple and clear

■ Circulation system adopts SUS304 stainless steel and high macromolecule corrosion-resistant materials which have the properties of anti-rust, anti-corrosion and anti-pollution against cryogenic liquid.

■ Anti-pollution and prevent scale formation, effectively protect large precision instruments and equipments

■ With delay, over-pressure, over-heated, over-current, cutting out and many kinds of protection

► According to the requirements of the user, all Models can be reasonably configured between temperature and cooling capacity or volume

► Other temperature ranges can also be customized

Technical Parameters

Model

DWXH-5/40

DWXH-10/40

DWXH-20/40

DWXH-30/40

DWXH-50/40

Fluid tank volume
(L)

5

10

20

30

50

Temperature range
(℃)

-40 ℃ - RT

Temperature control accuracy
(℃)

±0.5

Optimum ambient temperature
(℃)

≤25

Power supply
(V/Hz)

220/50

380/50

Setting and display mode of temperature

Touch-key digital setting, LED digital display (minimum unit 0.1 ℃)

Temperature sensor index

Pt100

Setting mode

Any setting within the applicable scope

Safety protection

Delay, over-pressure, overheating, over-current, cutting out

Cooling capacity (W)

-10℃

(A)1241
(B)1876

1650

2272

5015

8553

-20℃

(A)850
(B)1166

1074

1658

3245

6107

-30℃

(A)600
(B)647

590

1118

2015

3971

-40℃

(A)400
(B)420

420

653

992

2146

Refrigeration unit

Power
(W)

(A)700
(B)835

1000

1300

2300

4500

Current
(A)

(A)3.1
(B)3.8

4. 5

5.9

10. 4

20

Refrigerant

R404A

Circulating pump

Power
(W)

100

Flow rate (L/min)

20

Lift
(m)

7

External circulation interface

Outside diameter 10.5 mm stainless steel valve

Outside diameter 16 mm stainless steel valve

Inside diameter and height
(mm)

Ø 200X150

Ø 200X250

Ø 250X300

Ø 300X350

Ø 350X400

Maximum flask capacity

2L

2L/5L

5L

10L

10L

Overall unit dimensions
(mm)

480X360X600

480X360X700

520X440X860

680X530X960

720X600X1130

Shell material

Cold-rolled plate with static plastic spraying surface

Thermal insulation pipe

2 pieces (2000 mm x 2)

Upright

1 piece

Valve

1 set


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