1. Instrument Name:Low Temperature Test System

Model e: JANIS SHI-4-2 4K;Manufacturer: Janis Co., America

2. Main Application：

JANIS SHI-4-2 4K low-temperature test system is equipped with HC-4E helium closed-cycle refrigeration system, EDWARDS T-station 75 oil-free molecular pump, SHI-4-2 Cryogenic thermostat, CRYO•CON ® 32 temperature control model and Honest FL-02 air-cooled water cooler. The temperature can be controlled between 4 K and 300 K.

3. Main Technology Parameters

lRange of temperature: 4K-300K；Initial cooling time: 90 minutes to 5 K；Refrigerator Power: 0.2W @ 4.2 K (2nd Stage), 5 W (1st stage)

lDistribution requirements: 200, 208/230, 230/240 VAC, 1 Phase, 50/60 Hz, 3.0 KW；

Cooling water requirements: 2.7 liters/min @ 4-27 degrees C；Size and weight of compressor: 504 mm×430 mm×485 mm, 75 Kg