ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Measurement item: SPL, Leq, SEL, MaxL, MinL, Peak, Ln (5%, 10%, 50%, 90%, 95%)
Measurement level: 30dB to 130dB
Linearity range: 60dB
Measurement frequency range: 31.5 Hz to 8kHz
Frequency weight: A and C
Time weight: Fast, Slow and Impulse
Accuracy: ±1.0dB (ref 94dB @1kHz)
Microphone: 1/2 inch Electret condenser microphone
Measurement level range: 5 ranges in 10-dB step:30~90dB, 40~100dB, 50~110dB, 60~120dB, 70 ~ 130dB
Digital display: 4 digit LCD, 0.1dB resolution, updated every 1s
Quasi-analog bar indicator: 1-dB steps, 60dB display range, updated every 0.125s
Analong AC / DC output: 2Vrms (at full scale), 10mVDC/dB
Power supply: 4 * 1.5V IEC R6P/AA size cell, AC adaptor
Battery Life: about 24 hours
Operating temperature, humidity: - 10°C to 50 °C (14°F to 122°F) , 30% to 90%RH non- condensing
Dimensions: 265 (L) * 72(W) * 36(H) * mm
Weight: Approx. 380g
Accessories: Instruction manual, Battery, Carrying case, Adjustment screwdriver, Software, Wind shield, USB connecting cable, 3.50 plug
