Professional cooler HL-3000-QG2/2 used for active cooling of heads and sources of fiber lasers up to 3 KW. It is built with a cooling unit that maintains the water temperature at a fixed level. This results in stable operation of the laser tube and protects it from overheating. It is equipped with dual temperature control circuit, especially suitable for separate cooling of fiber laser and laser head.. Technical data:. Model: HL-3000 QG2/2. Tank capacity: 22 L . Water circulation capacity:4 m3/hr. Plug diameter: 1/2" rp. Water column head: 37.5m. Compressor power: 4.3 kW. Pump power: 0.55 W + 0.75 kW. Refrigerant: R-32. Capacity of refrigerant: 2100g. Precision: ± 1℃. Power supply:220V (+-10%), 50 Hz . Weight: 76 kg . Dimension: 730 x 500 x 970mm. The cooling medium must be softened water, such as pure water, distilled water, high purity water, etc., with a volume ratio of ≤30% ethylene glycol or a volume ratio of ≤20% ethanol, and preservatives and bacterial removal agents approved by the manufacturer may be added. 30%, oil and oil-based liquids, flammable and explosive liquids, liquids with solid particles, especially liquids that cause corrosion of aluminum and stainless steel is strictly prohibited.. The device is CE certified.. We provide after-sales service and online support.Warranty 1 year..