ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Current Sensor Power: 2.4 mA / applied voltage : approximately 18V
Number of Channels: 2
Frequency Range: 1 Hz to 20 kHz (±0.5 dB)
Gain: -10, 0, 10, 20, 30, 40, 50, 60 dB in 10-dB step, selectable, ± 0.2 dB
Frequency Weighting: A/C/FLAT (Conforming standards: IEC 651 Type 1, JIS C 1505-1988)
Power Supply: Type AA battery x 4 / External power supply: PB-7090* AC adaptor (option)
Battery Life: Approximately 20 hours minimum (with alkaline battery)
Operating Temperature Range: -10 to +50°C
Operating Humidity Range: 30 to 90 % RH (With no condensation)
Dimensions: 140 (W) x 40 (H) x 125 (D) mm (Not including protruded section)
Weight: Approximately 550 g (With batteries)
Accessories: Instruction manual x 1 copy, battery (LR06) x 4 pcs
