Holdpeak sound level meters hp-882a
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Description
HoldPeak Sound Level Meters Environment Gold supplier test meter HP-882A เครื่องวัดระดับเสียงในสภาวะแวดล้อม เครื่องทดสอบเสียง
Please read this operation manual carefully before using this equipment for correct operations. This equipment have been designed to meet the measurement requirement of Safety Engineers, Health, Industrial Safety offices and Sound Quality control in various environment.
Model Number HP-882A
Accuracy ±1.5 dB (under reference conditions)
Frequency range 31.5 Hz~ 8.5K Hz
Linearity range 50 dB
Measuring level 30~130 dBA, 30~130 dBC
Frequency weighting A,C
Digital display 5 digits;Resolution：0.1dB;Display：0.5 secretary
Bar graph 50 dB scale at 1 dB step for monitoring current sound pressure level display period: 50 mS
evel ranges 30-80 dB；50-100 dB；60-110 dB；80-130 dB
Over indicate over range Under indicate less than lower limit of the range
AC output 0.707 Vrms at FS output impendance approx 600Ω
DC output 10 mV / dB output impedance approx 100Ω
Time weighting Fast / Slow
Microphone 1/2 inch Electret Condenser microphone
Max Maximum hold
Power supply 1*9V alkaline cells or DC 9V adapter Power life: About 30 hrs (calkaline cells)
Self calibration time 10 sec (every turn on)
Operating Temperature 0℃ to 40℃
Operating Humidity 10% to 80% RH
Storage Temperature -10℃ to 60℃
Storage Humidity 10% to 70%RH
Dimensions 220×67×32mm
Weight approx. 210g(including battery)
