ACO 4157N ໄມໂຄຣໂຟນປະສົມປະສານ Preamplifier (70kHz, 161dB)
Frequency Response Characteristic: Pressure-Field
Nominal Diameter: 1/4 inch
Release voltage: -57dB (1.4mV/Pa)
Pressure Sensitivity
(Included preamplifier): -59dB (1.1mV/Pa)
Polarization voltage: 0V
Frequency Characteristics: 20Hz～70kHz
Maximum sound pressure level: 161dB
Self-noise level: 48dB(A)
Temperature coefficient: 0.009dB/℃ or less
Power supply and voltage: DC15～28V
Constant current: 0.5～4mA
Output Impedance: Approx.100Ω
Connector: SMB connector
Operating Temperature・
Range of Humidity: -10℃～+50℃・90%RH (no condensation)
Storage Temperature・
Range of Humidity: 40% or less (at room temperature)
Cable: SMB-BNC Cable (3m)
Outline size: Φ7×50
Weight: 6g
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ