UT283A Single Phase Power Quality Analyzer

1. Trend/event capture

2. Harmonics/inrush current measurement
3. File management through USB interface
4. Flick measure (PST/PLT values)
5. User friendly interface
6. Multimeter functions
7. Scope functions including waveform display
8. 3.5 inches 64K color TFT LCD display
9. THD (Total Harmonic Distortion) function
10.Long-term monitoring

UT283A is a handheld multi-functional device designed to measure and analyze single-phase power systems.This portable S class device can measure amplitude, phase, harmonics, current, voltage, and record results in SD card for further analysis and export.

This product is suitable for professional working in electrical power, medical, transportation, telecommunication, and other industrial areas.



Voltage (V)10V~1000V AC/DC±0.5%Udin
AC current (A)10A/100A/1000A±0.5%f.s.
Frequency (Hz)40~70Hz±50mHz
Power (W)>15%S±1%S
Power factor0~1±0.02
Energy (Wh)0~9999MWh±1.5%rdg
Crest factor1 to 10±5%
Voltage harmonics or inter-harmonicsUm≥3%Unom (1~51th, step 0.5th)±5%Urms
Um<3%Unom (1~51th, step 0.5th)±0.15%Unom
Current harmonics or inter-harmonicsIm≥10%Inom (1~51th, step 0.5th)±5%Irms
Im<10%Inom (1~51th, step 0.5th)±0.5%Inom
Power harmonics(1~51th, step 1th)Calculated based on voltage and current amplitude and phase accuracy
Transients±6000V Peak, Fsample=2MHz±5%rdg.±5%f.s
Dip/swell/interrupt0~1000V ACUdin±1 %
AC inrush current (A)10A/100A/1000A±1%f.s
Resistance (Ω)600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ±(1%+3)
Capacitance (F)60nF/600nF/6μF/60μF/600μF±(4%+20)
True RMS
Harmonic analysisUp to 51th
Flick measure10 minutes, PST and PLT values
Voltage ratio
Current ratio
Event capture
Trend capture
Data logging8GB
USB interface
Backlight adjustment
Low battery indication
Input protection
General Characterisitics
PowerLi-ion battery: 7.4V 3600mAh
Display70mm x 52mm; 3.5 inches 64K color TFT LCD (320 x 240)
Product colorRed and grey
Product net weight808.4g
Product size199mm x 118mm x 49mm
Standard accessoriesPower adaptor, power cord, test leads, test probes, alligator clips, current clamp (10A/100A/1000A), USB interface cable, PC software CD, SD card (8GB)
Standard individual packingGift box, carrying bag, English manual
Standard quantity per carton4pcs
Standard carton measurement665mm x 350mm x 305mm
Standard carton gross weight24.2kg


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