Ht-850 Sound Level Meter, Sound Noise Meter

Specifications: HT-850 Mini sound lever meter have a wide dynamic range from 30 to 130dB, they have different frequency weighting A and C to respond to human sense or machine monitoring purposes, For different Sound pattern, they also fast and slow time constant setting. FeaturesProvides 1.5dB accuracy Newly Design ShapeHigh PerformanceMax Hold and Data Hold FunctionSpecificationsLevel Range Low=30-100dBHigh=60-130dBAccuracy +1.5dB (ref 94dB @1kHz)Frequency Range 31.5Hz to 8k HzFrequency Weighting A, CTime Weighting Fast, slowBattery Type 9V batteryOperation Temp 0 oC -40 oC (<80% R. H. )Storage Temp -10 oC ~60 oC (<70% R. H. )