Fluke fluke 116 323 digital multimeter fluke fluke fluke 116 323 p the fluke 116 hvac multimeter with temperature and microamp measurement delivers the capabilities professionals demand to troubleshoot and repair heating ventilation and air conditioning hvac systems its microamp measurements help you to quickly troubleshoot problems with flame sensors down to 0 1 microamps the fluke 116 comes with the 80bk a integrated dmm temperature probe for temperatures from 40 to 400 deg c the a