Closedcyclecryostat-2
Closedcyclecryostat-1
Closedcyclecryostat

Closed-cycle Cryostat - 4K 6.5K 10K 30K

The closed-cycle cryostat provided by Dexinmag is a variable temperature low-temperature platform based on GM refrigerators produced by domestic and foreign companies. When used with a high-precision temperature controller, it can accurately control the temperature of samples within the entire temperature range. Simple operation and low maintenance cost. It is mainly used for magnetic measurement, optical measurement, photoelectric reaction, light reflection, fluorescence and magnetoresistance tests in low temperature and vacuum environments.

 

The closed-cycle cryostat includes two stages of cooling. The first stage is used to cool the thermal radiation shield around the sample, and the second stage is used to cool the sample.

 

 

Features:

 

◆ Suitable for electrical, optical and magnetic measurements in low temperature environments;
◆ Compact structure, high cost performance, no refrigerant consumption at low temperatures, long maintenance-free period, strong scalability, and easy to use;
◆ The sample is in a high vacuum environment or atmosphere;
◆ Optical windows can be integrated and a variety of optional window materials are available;
◆ A variety of gold-plated oxygen-free copper sample holders can meet the measurement needs of different experimental requirements, and the sample holders can be quickly replaced;
◆ A silicon diode temperature sensor or Cernox temperature sensor (used in strong magnetic fields) is installed on the cold finger;
◆ A variety of options can meet the measurement needs of different experiments.

 

 

Technical specification

 

Model T-101D T-101DL T-305D T-205D T-408D2 T-415D
Temperature range 4-325K 3.5-325K 4-325K
Heater 60W, one 70W, one
Cold head model 101D 101DL 305D 205D 408D2 415D
lowest temperature <3K <3K 3.5K <3.5K <3.5K <3.5K
Cooling time 150min to 4K 150min to 4K 120min to 4K 90min to 4K 60min to 4K 60min to 4K
Cooling power 0.1W@4.2K
3W@50K
0.1W@4.2K
3W@50K
0.4W@4.2K
15W@40K
0.5W@4.2K
3W@50K
1.0W@4.2K
40W@43K
1.5W@4.2K
35W@50K
Compressor CAN-11B/C FA40H CKW-21A F50H
Cooling method Air cooling Water cooling
Power consumption/h 1.2-1.3KW 4.0-4.4KW 2.7-3.3KW 6.5-7.2KW
Power supply requirements Single phase 220V 50/60Hz Three-phase 380V 50/60Hz
Cooling water flow / 6-9L/min 3.0-3.5L/min 7-10L/min
Cooling water temperature  / 4-28℃
Compressor size 461 * 400 * 450 532 * 442 * 493 471 * 401 * 450 591 * 450 * 588
Compressor weight 70Kg 96Kg 70Kg 120Kg

 

Model T-062B T-082B T-182B2S T-204N T408S2
Temperature range 3.5-325K 7-325K
Heater 70W, one
Cold head model 062B 082B 182B2S 204N 408S2
lowest temperature <3.0K <3.0K <2.8K <6.5K <7K
Cooling time 100min to 4K 80min to 4K 60min to 4K 60min to 10K
Cooling power 0.5W@4.2K
30W@80K
1W@4.2K
40W@45K
1.5W@4.2K
36W@48K
13.5W@80K
2.5W@10K
30W@4.5K
Compressor F50H F70H F-100 HC-4E F-50
Cooling method Water cooling
Power consumption/h 6.5-7.2KW 12-13.7KW 12-13.7KW 2.6KW 6.5-7.2KW
Power supply requirements Three-phase 380V 50/60Hz Single phase 220V 50/60Hz Three-phase 380V 50/60Hz
Cooling water flow 7-10L/min 6-9L/min 6-10L/min 2.7L/min 7-10L/min
Cooling water temperature 4-28℃
Compressor size 591 * 450 * 588 532 * 443 * 493 1331 * 511 * 512 504 * 430 * 485 591 * 450 * 588
Compressor weight 120Kg 100Kg 250Kg 75Kg 120Kg

 

Model TCH202 TCH204 TCH208R TCH208L TCH210 TCH210N TCH210L TKDE210SA
Temperature range 10-325K
Heater 50W 70W
Cold head model CH-202 CH-204 CH208R CH208L CH210 CH210N CH210L KDE210SA
lowest temperature <10K
Cooling time 75min to 10K 40min to 20K 60min to 20K 60min to 10K
Cooling power   7.5W@20K
13.5W@80K
6W@20K
80W@77K
8W@20K
28W@77K
6W@20K
110W@77K
3W@10K
20W@35K
9.5W@20K
75W@60K
5W@10K
40W@45K
Compressor HC-4E F70H KDC6000V
Cooling method Water cooling
Power consumption/h 2.6kw 12-13.7KW 6.5KW
Power supply requirements Single phase 220V 50/60Hz Three-phase 380V 50/60Hz
Cooling water flow 2.7L/min 6-9L/min 7-10L/min
Cooling water temperature (4-28℃)
Compressor size 504*430*485 532*442*493 532*443*493
Compressor weight 75Kg 100Kg 118Kg

 

Model T500B T400B TC110LT TCH110 TCH104 T125D TKDE400SX TKDE535 TKDE400SA
Temperature range 14-325K 25-325K 15-325K 40-325K 30-325K 14-325K 15-325K 30-325K
Heater 150W 300W 150W 70W 150W 100w
Cold head model RDK-500B RDK400B C110LT CH110 CH104 RD-125D KDE400SX KDE535 KDE400SA
lowest temperature <14K <25K <15K <40K <40K 30K <14K <15K <30K
Cooling time 70min to 40K 30min to40K 35min to 30K 30min to 77K 40min to77K 25min to77K 60min to20K
Cooling power 40W@20K
80W@30K
54W@40K 80W@40K 175W@77K 34W@77K 30W@77K 40W@20K
80W@30K
8W@20K
35W@77K
54W@40K
Compressor F70H CNA-11C KDC6000V
Cooling method Water cooling Air cooling Water cooling
Power consumption/h 12-13.7KW 1.2-1.3KW 6.5KW
Power supply requirements Three-phase 380V 50/60Hz Single phase 220V 50/60Hz Three-phase 380V 50/60Hz
Cooling water flow 6-9L/min / 7-10L/min
Cooling water temperature (4-28℃) / (4-28℃)
Compressor size 532*442*493 610*390*450 532*443*493
Compressor weight 100Kg 75Kg 118Kg

 

Note:

 

1. Temperature Sensor: Silicon diode temperature sensor, iron rhodium temperature sensor, CernoxTM temperature sensor (suitable for magnetic fields);

2. Temperature stability: ±0.01K depends on DXTC-290 temperature controller;

3. Vacuum evacuation: No special requirements are KF25;

4. Experiment type: It can be used in optical and electrical experiments. Except for the pulse tube refrigerator, the other cold heads can be installed at any angle. In addition, when used in conjunction with a spectrometer, the cold head can be equipped with three-level shock absorption, and the sample vibration amount is less than 1 micron;

5. Number of windows: When conducting electrical experiments, there is no need to open windows. When conducting optical experiments, 1-5 windows can be used;

6. Window selection: Fused quartz, infrared silicon material, sapphire, zinc selenide, zinc sulfide, cadmium, hoofide, germanium, silicon, cadmium fluoride, mylar, kapton, wrinkle, etc., the size can be customized.

7. Integrated configuration: ①A set of vacuum cover; ②A temperature sensor and a temperature-controlled heater; ③A gold-plated oxygen-free copper sample holder; ④A vacuum suction port KF25; ⑤A release valve KF16; ⑥A 8pin Electrical vacuum connector, a temperature sensor and heater share a 6-core connector; ⑦Supporting compressor, cold head drive line, high-pressure nitrogen pipe and Toolkit; ⑧A set of standard cold head placement brackets.

 

The closed-cycle cryostat uses the G-M thermodynamic cycle principle to compress and expand helium. The compressor provides the high-pressure helium required during the cycle, which is transmitted to the cold head through a flexible metal helium pipeline. The compressed helium The gas expands and is cooled in the cold head, and the expanded low-pressure helium returns to the compressor to repeat the cycle.
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