TD4550 is an intelligent and highly integrated test system for calibrating three-phase energy meter and other AC electrical apparatus. It is built-in 3PH standard source. It can complete intrinsic error test, constant test, standard deviation test, starting current test, test of no-load of electric energy meter.
• Accuracy：class 0.02, 0.05, 0.1
• 3PH ACV output：6 V～456 V
• 3PH ACI output：2 mA ~ 110 A
• Multiple output mode, support three-phase or single adjust
• U-I phase：0°～360°, accuracy 0.01°;
• Energy meter test function
• LCD touch screen
• 2nd~21st harmonic output（option）
• Test software（option）
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