SOUND METER MODEL 4431

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World’s first 0-dB Function optional (Model 4431-1G )
Type 2 standards for ANSI S1.4 1983 and IEC 61672-1
The magnetic accelerometer attaches easily to machinery for increased accuracy and precise opetation.

Lightweight and compact design

A, C, and F weighting modes

28 to 130 dB measurement range

Measures Lp, Leq, Le, Lmax, Lmin and Lx

Equipped with highly sensitive electret condenser microphone

Large 4 digit display with 0.1 dB resolution with backlighting and analog bar graph

Add additional functions with the program cards

Includes SD card for data storage, windshield, carrying case, AA batteries, hand strap, and calibration certificate

Industrial Hygiene Investigation

Noise Exposure Measurement

Environmental Noise Measurement

Measurement Specifications
Weighting A, C and Z (FLAT)
Ranges A:28 to 130 dB (0 to 80 BD if 0dB function is active for 4431-1G)
C: 36 to 130 dB
Z (FLAT): 40 to 130 dB
C peak: 55 to 141 dB
Z (FLAT) peak: 60 to 141 dB
Time Weighting Fast, Slow, Impulse
Parameters Sound pressure level(Lp)
A-weighted sound pressure level(LA)
C-weighted sound pressure level(LC)
Equivalent continuous A-weighted sound pressure level(LAeq)
Sound Exposure level(LAE)
Maximum sound pressure level(LAmax)
Minimum sound pressure level(LAmin)
Percentile sound pressure level(5 freely selectable values、LAN)
Peak Sound Pressure level(Lpeak)
C- weighted Peak Sound Pressure level(LCpeak)
Power average of maximum sound pressure level in a given interval(LAtm5)
Impulse Sound pressure level(LAI)
Impulse equivalent continuous sound pressure level(LAIeq)
Standards ANSI S1.4 1983: Type 2
IEC 61672-1: Class 2
General Specifications
Interface USB, Printer
Output 1 Vrms (AC output)
2.5 V (DC output)
Power Supply 4 AA Batteries or AC adapter
Operaing Environment 14 to 122°F (-10 to 50°C), 30 to 90%RH with no condensation
Dimensions W 3.4″ x H 12.9″ x D 1.9″
Weight 1 lb (453g)
Warranty 1 year
Standard Accessories Operation manual, SD card for data storage, Windshield,Carrying case, AA batteries, Hand strap, Calibration certificate
CONTACT KANOMAX FOR DETAILS

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