UTE9811+ Smart Digital Power Meter | Advanced Harmonic Analysis Solution

Overview

The UTE9811+ Smart Digital Power Meter sets a new standard for harmonic analysis in power measurement instrumentation. Engineered for professionals who require detailed power quality assessment, this advanced meter combines comprehensive harmonic measurement capabilities with exceptional measurement accuracy. Using phase-locked loop (PLL) synchronization and innovative digital signal processing algorithms, the UTE9811+ delivers harmonic analysis up to the 50th order with industry-leading precision and update speeds as fast as 0.1 seconds.

The instrument’s intuitive multi-window display provides simultaneous visualization of voltage, current, power, and harmonic components, enabling engineers and technicians to quickly identify power quality issues and their sources. With its ability to measure voltage crest ratio and current crest ratio, the UTE9811+ offers powerful tools for evaluating non-linear loads and analyzing distorted waveforms that can affect equipment reliability and efficiency. Perfect for power quality audits, equipment validation, and troubleshooting complex electrical systems, the UTE9811+ delivers professional-grade performance in both laboratory and field environments.

Key Features

• Comprehensive Harmonic Analysis – Measures up to the 50th harmonic with industry-leading accuracy
• Rapid Update Rate – Harmonic measurement data updates as fast as 0.1 seconds for real-time analysis
• Crest Ratio Measurement – Accurately evaluates voltage and current crest ratios for non-linear load analysis
• Multi-window Display – Simultaneously view voltage, current, power, and harmonic/frequency measurements
• PLL Synchronization – Phase-locked loop technology ensures precise harmonic capture and analysis
• Automatic Range Selection – Optimizes measurement accuracy by selecting the appropriate range
• Limit Testing and Alerting – Set upper and lower limits for current and power with audible and visual alerts
• Communication Versatility – RS-232 and RS-485 interfaces with SCPI and Modbus protocol support
• Rugged Construction – Fall-proof design with silicone angle protection for field and laboratory use
• PC Software Integration – Visualize harmonic spectrums and export data for detailed analysis

• Technical Specifications

  Parameter	Specification
  Display	VA broken code display, 5 digits
  Data Update Rate	0.1s – 5s (adjustable)
  Measuring Objects	V, A, W, PF/Hz, THD/CF
  Measuring Mode	AC
  Voltage Range	3.0V – 600V
  Current Range	5.0mA – 20A
  Voltage Accuracy	40Hz≤f≤75Hz: ±(0.4% reading + 0.1% range + 1 character)
  Current Accuracy	40Hz≤f≤75Hz: ±(0.4% reading + 0.1% range + 1 character)
  Power Range	1W – 12kW
  Power Accuracy	40Hz≤f≤75Hz: ±(0.4% reading + 0.1% range + 1 character)
  Power Factor Range	0.001 – 1.000
  Harmonic Measurement	1 – 50 times
  Harmonic Accuracy	Voltage: ±0.2% at 50th harmonic Current: ±0.007% at 50th harmonic
  Crest Factor Measurement	Voltage CF, Current CF
  Frequency Range	40Hz – 70Hz (amplitude > 10% of range)
  Input Impedance	Voltage about 2 MΩ, Current less than 0.02Ω
  Maximum Allowed Input	Voltage 700V, Current 24A 1000V, 40A (1 min)
  Interface	RS232, RS485
  Baud Rate	4800, 9600, 19.2K, 38.4K, 57.6K, 115.2K, (default 9600)
  Power Source	AC 100V – 240V, Frequency 50/60Hz
  Operating Environment	18°C – 28°C, 20% – 75%RH, Altitude ≤2000 meters
  Size	214mm × 88mm × 340mm
  Weight	3.2kg

  Optional Accessories

  Model	Description	Length	Specification
  UTE-L10A	10A three-pronged plug to banana head connect wire	1.2m	250V/10A
  UTE-L16A	16A three-pronged plug to banana head connect wire	1.2m	250V/16A
  UTE-L16C	16A connect wire with alligator clip	1.2m	250V/16A

  Package Contents

  • UTE9811+ Smart Digital Power Meter
  • Power cord
  • Test leads
  • User manual
  • Calibration certificate
  • RS232 serial port line (1)