GMX-20B Specifications
| Cooling Technology- | ||
|---|---|---|
| DE-210 | Closed Cycle Cryocooler | |
| Refrigeration Type | Pneumatically Driven Gifford-McMahon Cycle | |
| Liquid Cryogen Usage | None, Cryogen Free | |
| Temperature*- | ||
| DE-210AF | < 9 K - 350 K DMX-20 interface adds <1K to base temperature | |
| DE-210SFg | < 2.8 K - 350 K DMX-20 interface adds <1K to base temperature | |
| With 800 K Interface | (Base Temp + 2 K) - 800 K | |
| With 450 K Interface | (Base Temp + 2 K) - 450 K | |
| Stability | 0.1 K | |
| *Based on bare cold head with a closed radiation shield, and no additional sources of experimental or parasitic heat load. | ||
| Sample space- | ||
| Diameter | Large Open radiation shield | |
| Height | Large Open radiation shield | |
| Sample Holder Attachment | 1/4-28 screw | |
| Sample Holder | View our Sample Holder Collection | |
| Instrumentation Access- | ||
|---|---|---|
| Heater | 1 - 50 ohm Thermofoil Heater Anchored on Cold Tip | |
| Control Sensor | 1 - Curve Matched Silicon Diode | |
| Sample Sensor | 1 - Calibrated Silicon Diode | |
| Custom Instrumentation | Contact ARS for available Options | |
| Instrumentation Access- | ||
| Instrumentation Skirt | Welded Stainless steel | |
| Pump out Port | 1 - NW-25 | |
| Instrumentation Ports | 2 - mini CF 1.33in | |
| Instrumentation Wiring | Contact our sales staff for wiring options | |
| Radiation Shield- | ||
| Material | OFHC Copper | |
| Attachment | Threaded | |
| Optical Access | Open end Radiation shield terminates 0.125" short of cold tip (customer specified) | |
| Cryostat Footprint- | ||
| Overall Length | 613 mm (24.1 in) 368.8 mm (14.52 in) standard flange to tip length | |
| Chamber Interface- | ||
|---|---|---|
| Flanges | CF, ISO | |
| Size | 8", 10", 12" | |
| DMX-20 Sample Vibrations- | ||
| Independent Mounting | <10 nm | |
| Direct Soft Mount | <140 nm | |
DE-210 Cryostat Specifications
| Cryocooler Model | DE-210AF | DE-210SFg; | |||
|---|---|---|---|---|---|
| Frequency | 60 Hz | 50 Hz | 60 Hz | 50 Hz | |
| Base Temperature | <9K | <9K | <2.8K | <2.8K | |
| Cooling Capacity | 4.2K | - | - | 1.1W | 1.1W | 
| 10K | 4W | 4W | 9W | 9W | |
| 20K | 17W | 17W | 16W | 16W | |
| 77K | 25W | 25W | 25W | 25W | |
| Radiation Shield Cooling Capacity | 60W | 60W | 60W | 60W | |
| Cooldown Time | 20K | 35 min | 35 min | 40 min | 40 min | 
| Base | 70 min | 70 min | 80 min | 80 min | |
| Compressor Model | ARS-10HW | ARS-10HW | |||
| Typical Maintenance Cycle | 12,000 hours | 12,000 hours | |||
ARS-10HW Compressor Specifications
| Compressor Model | ARS-10HW | ||
|---|---|---|---|
| Frequency | 60 Hz, 3 Phase | 50 Hz, 3 Phase | |
| Standard Voltage | Min | 208 V | 190 V | 
| Max | 230 V | 210 V | |
| High Voltage | Min | 440 V | 380 V | 
| Max | 480 V | 415 V | |
| Power Usage | Three Phase | 7.7 kW | 7.7 kW | 
| Refrigerant Gas | 99.999% helium gas, pre-charged | ||
| Ambient Temperature | 5-40 C (40-104 F) | ||
| Cooling Water | Consumption | 5.7 L / min (1.5 Gal. / min) | |
| Temperature | < 20 C (68 F) | ||
| Connection | 1/2 in. Swagelok fitting | ||
| Dimensions | L | 483 mm (19 in.) | |
| W | 533 mm (21 in.) | ||
| H | 617 mm (24.3 in.) | ||
| Weight | Compressor | 105 kg (230 lbs) | |
| Typical Maintenance Cycle | 30,000 hours | ||
