ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Indicator: LED Indicator
Sound Pressure Level: 94dB and 114dB
Accuracy: ±0.5dB (20°C, 760mm Hg)
Frequency of 1000±0.01% Hz allows calibration with A, B, C or D weighting networks or linear.
Conforms to IEC 942: Class 2
Applications: Calibration of 1" and 1/2" Microphones
Temperature Range - Operating: -10 to +50°C
Temperature Range - Storage: -40 to +50°C
Temperature Coefficient: 0 to 0.01 dB/°C
Altitude Effects: Approximately 0.1dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmospheric pressure change (approximately every 50 mm of Hg decrease).
Power Supply: 2 x 1.5V AAA Um-4 Battery
Size: 52 x 62 x 95mm (2.0 x 2.4 x 3.7")
Weight (Without Battery): 150g (5.29oz)
Standard Accessories: Main Unit; Carrying Case; Operation Manual
