Perusahaan ini terdaftar sebagai Free Member. Hindari melakukan pembayaran sebelum bertemu penjual atau melihat barang secara langsung. COD (Cash On Delivery) atau bertemu langsung dengan penjual merupakan metode transaksi aman yang kami sarankan.
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
