... on Demand SelectionWide Warm Design, Operating Temperature from -15 0C to 50 0CComplies with IEC 61672 Class 1 ... C,ZA,C,ZA,C,ZA,C,ZA,C,ZA,C,ZTime WeightingF,S,I,PeakF,S,I,PeakF,S,I,PeakF,S,I,PeakF,S,I,PeakF,S ... FunctionNONONONONOOptional(software authorized)Working Temperature-15°C~50°C-15°C~50°C-15°C~50°C-15°C~50°C-15°C~50°C-15°C~50°CspecialtyPrecision pulseBandwidthLow noise measurementHigh ...