UT381 illuminometers

Features:

• 7″ touch screen – intuitive operating
• CAT IV 600V – high safety
• all parameters acc. to class S – high accuracy of measurements
• Li-Ion rechargeable battery – higher mobility
• removable memory card – recording data with no restrictions

Possible measurements:

• Measurements according to EN 50160,
• Voltage L1, L2, L3, N-PE (five inputs),
  – average, minimum, maximum values, range to 760 V, ability to work with voltage transformers,
• Current L1, L2, L3, N (four inputs),
  – average, minimum, maximum values, measurement current with range to 3 kA (depends on used clamp), ability to work with current transformers,
• Crest factor for voltage and current,
• Frequency from 40 Hz to 70 Hz ,
• Active, reactive, distortion, apparent power, including the type of reactive power (capacitive, inductive),
• Power recording:
  • Budeanu method,
  • IEEE 1459,
• Active, reactive, apparent energy,
• Power factor, cosφ, tgφ,
• Up to 50th harmonics for voltage and current,
• Total Harmonic Distortion (THD) for voltage and current,
• Short-term (PST) and long-term (PLT) flicker,
• Unbalance of voltage and current,
• Current and voltage events registration including waveforms and RMS graphs half period,
• Inrush current
• Calculator of energy tariffs
• ANALYZER MEASURES AND RECORDS ACCORDING TO THE IEC 61000-4-30 CLASS S STANDARD.