ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Display: 4 digital LCD display
Measurement Range:
+ A LO (Low) － Weighting : 35-100dB
+ A HI (High) － Weighting : 65-130dB
+ C LO (Low) － Weighting : 35-100dB
+ C HI (High) － Weighting : 65-130dB
Resolution: 0.1dB
Typical instrument Frequency Range: 31.5Hz to 8KHz
Accuracy: ±1.0dB (ref 94dB @1KHz)
Dynamic Range: 65dB
Frequency Weighting: A and C
Time Weighting: Slow and Fast
Maximum Hold: Decay < 1dB/3min, Re-set button
Microphone: 1/2 inch Electret condenser microphone
Calibration: Internal oscillation system (1KHz sine Wave general 94dB)
Operating Temperature & Humidity: 0℃ to 40℃, Below 80%RH
Storage Temperature & Humidity: -10℃ to 60℃, Below 70%RH
Power Supply: One 006P 9V or IEC 6F22 or NEDA 1604
Battery Battery Life: Approx. 50 hours (Alkaline)
Dimensions: 240(L)×68(W)×25(H)mm (9.45”L×2.68”W×0.98”H)
Weight: 210g
Accessories: Instruction manual, Battery, Carrying case, Adjustment screwdriver, windscreen, CD-software, RS-232 cable
