SDT900 power quality analyzer

• Analysis of voltage sags, surges, interruptions and transient events
• Flicker, up to 63rd harmonic analysis
• Voltage and current accuracy 0.1%, metering accuracy 0.2S
• Built in Modbus/IP gateway function/GPRS - SMS
• Data recorder+energy quality
• Four quadrant measurement, touch screen, event, log;

SDT800 power quality analyzer 

• Energy consumption and harmonic measurement per phase
• Up to 32nd harmonic analysis
• Voltage and current accuracy 0.2, metering accuracy 0.2/0.5
• Modbus fast communication
• Low power technology and low cost
• Data recorder module with real-time calendar clock

1. 3-phase+neutral voltage
2. 3-phase+neutral point current (calculated from neutral point current)
3. Active, reactive and apparent power (4 quadrants)
4. Power factor
5. Active, reactive and apparent energy (total and per phase)
6. Frequency
7. Total harmonic distortion (THD)
8. Timing
9. Asymmetry (voltage and current)
10. Three phase active power imbalance