... built instrument for industry use ,as a standard wireless tool offer universal applications,Whether used as conventional crane ... weigher or to measure force, ERT wireless Dyna-link load guage is microprocessor controlled for ... ~ + 40°COperating Humidity≤85% RH under 20°CWireless DistanceMin. 80m(default) [200m(optional)]Wireless Frequency2.4GHz(default),433MHz,860MHz(optional) ...