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Specification

The 4 in 1 multi-function environment noise analyser combines a noise analyser, a light meter, a thermometer and a relative humidity meter. The environment noise analyser is specially suitable for educational settings with the aim to measure all 4 parameters and can also be used in both a professional setting as well as at home.
The environment noise analyser with all its sensors will be delivered in a light carrying case and is can be used easily and quickly. You can test environmental conditions in your immediate surroundings.

Technical specifications
Sound level meter Range A/ C Lo ( low) 35 to 100 dB
A/ C Hi ( high) 65 to 130 dB Resolution 0.1 dB Frequency range 30 Hz to 10 kHz Frequency weighting A and C Response time quick Accuracy ± 3.5 dB
at 94 dB sound level, 1kHz sine wave Microphone Electric condenser microphone Accuracy ± 3% to standard JISdB( A)
Light meter Range 20 / 200 / 2.000 / 20.000 lux
( 20, 000 lux range reading x 10) Over-range highest digit of " 1 " is displayed
( user adjustable range) Accuracy ± 5% of the reading + 2 digits Repeatability ± 2% Temperature characteristic ± 0.1% / ° C Sensor silicon photodiode with filter
Humidity meter Range 25 to 95% r.h. Resolution 0.1% Accuracy ± 5%
Temperature Range -20 to + 200 ° C / -20 to + 750 ° C Resolution 0.1° C / 1° C Accuracy
± 3% reading ± 2° C( -20 to + 200° C)
± 3.5% reading ± 2° C ( -20 to + 750° C)

General details Display 17mm LCD with 4 digits ( maximum indicator: 1999) Display symbols lux, x10lux, ° C, ° F, % H.r.,
dB, A+ dB, C+ dB, Lo+ dB, Hi+ dB,
MAX HOLD, DATA HOLD Over-range only shows " 1 " on the display Rate of measurement approx. 1.5 times a second Temperature for data accuracy 23 ° C ± 5° C Operating conditions 0 to + 40° C Storage temperature -10 to + 60° C Power 1 - 9V battery ( PP3) Dimensions of the device 251 x 64 x 40 mm Dimensions of the light sensor 115 x 60 x 27 mm Weight 250 g