The CDW-80TS low-temperature impact testing instrument is a compressor refrigeration equipment newly developed by our company according to the requirements of JB5376-91 "Technical Conditions for Low Temperature Bath" and GB/T 229-2007 "Charpy Notch Impact Test Method for Metal Materials". The equipment adopts imported compressor refrigeration technology, adopts the principle of heat balance and circulating mixing method to achieve automatic uniform cooling and constant temperature of the sample, which can fully meet the national standard GB/T 229-2007, American standard ASTM E23-02a, European standard EN10045 , ISO148 and other relevant standards specified in the relevant temperature control indicators. The device adopts single-chip microcomputer technology control, digital display temperature value, automatic temperature control, automatic timing, automatic alarm, simple and safe operation, fast cooling speed, large volume and high temperature control precision. It is the ideal equipment of specimen cooling and insulation for low-temperature impact testing. It can also be used for other low temperature detection and testing work.
Main technical parameters
Temperature range: +30 ℃~ -80 ℃
Temperature accuracy: ± 0.5 ℃
Uniformity: 1℃
Cooling speed (when room temperature 25℃) :
Room temperature ~ 0 ℃ about 1.5 ℃ / min
0 ℃ ~ -20 ℃ about 1.4 ℃ / min
-20 ℃ ~ -40 ℃ about 1.3 ℃ / min
-40 ℃ ~ -60 ℃ about 1.0 ℃ / min
-60 ℃ ~ -80 ℃ about 0.8 ℃ / min
Maximum external size: 710*600*1030mm (l* w * h)
Cooling tank size: 275 * 160 * 120mm (l * w* h)
Effective size: 150 * 140 * 110mm (l * w * h)
Quantity of sample can be loaded: 60 (the impact sample size: 10 * 10 * 55mm)
Digital timer: 1min ~ 9999 min, resolution 1min
Cooling medium: 99% ethanol or other ice-free liquid
Working power: 220V, 50Hz, 2.8kW
Operating environment temperature: 5℃~30 ℃
