portable 3-phase kwh meter tester

1) For error calculator to calculate the error of any meter to be tested; 2) For the reference of upper-level measurement exam

Specification

1 Accuracy class: 0.1/0.05 2 Electrical output 2.1 Voltage and current measurement range Output voltage ranges: 57.7V/63.5V and 220V/240V (480V option) Output current ranges: 0.1A, 1A, 5A, 20A, and 100A 2.2 Output load capacity Voltage loop: Max. 50VA Current loop: Max 100VA (Measurement range 100A) 2.3 Electrical output adjustment 2.3.1 Voltage adjustment A) Adjustment range: 0%~125% selected voltage range B) Adjustment fineness: Four finenesses as 10%, 1%, 0.1%, and 0.01% are available C) Max. Output voltage: 300V or 600V 2.3.2 Current adjustment A) Adjustment range: 0%~120% selected current range B) Adjustment fineness: Four finenesses as 10%, 1%, 0.1%, and 0.01% are available C) Max. Output current: 120A 2.3.3 Phase adjustment A) Adjustment fineness: 0° ~359.99° B) Adjustment fineness: Four finenesses as 10° , 1° , 0.1° , and 0.01° Are available 2.4 Voltage and current output distortion This device's voltage and current output distortion will not be more than 1% (testing under linear load) 2.5 Output power stability This device's pre-set output power will not exceed 0.05% compared with the measurement range variation within 180S. 2.6 Symmetry of electrical outputs from three phases The difference between any line or phase voltage and its average will not be more than 0.2%; The difference between any phase current and its average will not be more than 0.2%; The phase difference between any phase current and its corresponding phase voltage will not be more than 0.2%. 2.7 Harmonic content A) Number of harmonic waves: 2~31 B) Harmonic content: Less than 40% (compared with fundamental wave) C) Harmonic phase: 0° ~359.99° 2.2.8 Monitoring instrument To be read directly from the standard meter. 2.9 Electric pulse

portable 3-phase kwh meter tester