产品型号：

CT3220E

Features： 1  Connection terminal Current output “I+、I-” connected to outside end of trial product's resistance； “V1+、V1-”namely voltage input terminals of channel 1 and “V2+、V2-”namely voltage input terminals of channel 2。 2  Earthing terminal: protecting the unit. 3  Temperature probe plug end.   4  Arc suppression：can do indication of Arc status, in addition, it is no caution for small transformer with direct Arc inside. 5  Power socket：AC 230V±10%（with 10A safe fuse inside）. 6  Power switch. 7  Contrast knob：used to adjust contrast. 8  USB jack. 9  Keypress “left key、right key、INTER”: used to adjust cursor position and numerical value and then confirm. 10  LCD screen. 11  Printer：printing test data.   Note： 1  Ensure reliable earthing and turn on the unit after finishing connection; to avoid possible accident, don’t move the test lead during test of output current; when finishing the test, you 2  can turn off after Arc indication alarm stops, then move the test lead. 3  When testing no-load-tap power transformer, please don’t switch tap point and range until discharge indication alarm stops. 4  To avoid electromagnetism disturb to get better test, please make short circuit for windings which don’t need test. 5  When automaticlly testing, the unit will output maximum current according trial product’s resistance; when by manual, please choose possible maximum current to improve test accuracy.  6  During test, the user can choose channel, resistance value of selected channel will be displayed.   Technical index： 1 Structure and Size ◇Type：portable ◇Dimension: 330*218*140mm ◇Main box: aluminium alloyed box ◇Weight: 6.5kg 2 Power source ◇Working power source: AC230±10%, frequency 50Hz±10% ◇Test voltage: DC 30V ◇Current output: Auto: load maximum test current by programme automatically according to trial product’s resistance Manual： 50mA、0.1A、0.3A、0.5A、1A、3A、5A、10A。 3 Working conditions ◇Temperature：-20℃～50℃，relative humidity：≤80% ◇Working way：continuum 4 Test index ◇Test range : 0～2KΩ Accuray: 0.2%, ±2 digits Maximum resolution: 0.1μΩ 5 Memory records quantity: 200pcs   After sales service：     Quality guanrantee period : three years.