Holdpeak sound level meters hp-882a

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)