... for many oversea groups High cost performanc Jyins square panel meter in frequncy meter,volt meter ,current meter,watte meter and multifunction meterUses and ... angle 90°and wide angle 250°.Anti-vibration and anti-shock, Anti-vibration,complies with the standard of IEC60068-2-6 ... /s2(15g), 490m/s2(50g). RMS acceleration, 6.06g. vibration time,15 min. Anti mechanical shock,complies with the standard ...