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RGC recirculating gas cooler specifications

Compatible cryostats

Compatible with Lake Shore ST and STVP cryostats and can be used with some LHe cryostats from other vendors as well.

Sample temperatures¹

	ST-100 and ST-300	ST-400	ST-500	STVP	Probe station
RGC4-10	<4.3 K	<4.0 K (120 mW at 5 K)	<4.2 K (100 mW at 5 K)	<10 K	Consult Lake Shore

¹ Temperatures listed are for models when used with standard pumps; for larger-capacity pump temperatures, contact Lake Shore.

Size

Gas handling system dimensions	533 mm × 838 mm × ≈711 mm (21 in × 33 in × ≈28 in)
RGC cryocooler dimensions	457 mm (18 in) base diameter × 787 mm (31 in) tall
Gas handling system weight (approximate)	56.7 kg (125 lb)
RGC cryocooler weight (approximate)	36.3 kg (80 lb)
Shipping dimensions for three RGC system crates (approximate)	Crate 1: 109 cm × 84 cm × 147 cm (43 in × 33 in × 58 in); Crate 2: 81 cm × 81 cm × 91 cm (32 in × 32 in × 36 in); Crate 3: 102 cm × 102 cm × 163 cm (40 in × 40 in × 64 in)
Shipping weights for three RGC system crates (approximate)	Crate 1: 211 kg (464 lb); Crate 2: 123 kg (271 lb); Crate 3: 113 kg (250 lb)

Facility requirements

Water-cooled

Model	Recommended compressor maintenance interval	Recommended cold head maintenance interval	60 Hz power requirements	50 Hz power requirements	Cooling water requirements	Compressor size
RGC4-10	30,000 h	10,000 h	200 VAC, 3-phase, 7.5 to 7.8 kW or 480 VAC, 3-phase, 7.5 to 7.8 kW	200 VAC, 3-phase, 6.6 to 6.9 kW or 380 to 415 VAC, 3-phase, 6.6 to 6.9 kW	6 to 9 L/min at 5 to 25 °C	443 mm × 493 mm × 532 mm high; 100 kg

Air-cooled

Model	Recommended compressor maintenance interval	Recommended cold head maintenance interval	60 Hz power requirements	50 Hz power requirements	Cooling air requirements	Compressor size
RGC4-10	30,000 h	10,000 h	200 VAC, 3-phase, 7.5 to 8.3 kW steady state or 460/480 VAC, 3-phase, 7.5 to 8.3 kW	200 VAC, 3-phase, 6.5 to 7.2 kW steady state or 380/400/415 VAC, 3-phase, 6.5 to 7.2 kW	23 m³/min	450 mm × 485 mm × 925 mm high; 155 kg