1. For measuring the long time overloads of any electric equipment. 2. The display corresponds to the maximum RMS average value in perios of time of 15 minutes, optionally 8 and 30 minutes.
1. Iuput current: 5A. 2. Accuracy class: +/-3%. 3. Temperature reference: 20c, rated temperature range: 20+/-10c, limits: -25c~+40c. 4. Isolating voltage: 2KV/1 min.