HT Instruments MACROEVTEST ការណែនាំអំពីសុវត្ថិភាពការដំឡើងវិជ្ជាជីវៈរបស់ម្ចាស់
HT Instruments MACROEVTEST Professional Installation Safety Tester ELECTRICAL SPECIFICATIONS Accuracy is indicated as ± (% readings + no. of digits*resolution) at 23°C ± 5°C, <80%RH Voltage (RCD, LOOP, Phase sequence) Range [V] Resolution [V] Accuracy 15 ÷ 460 1 ±(3.0%…