Onosokki LA-4441A ເຄື່ອງວັດແທກລະດັບສຽງ (Class 1)
Applicable Standards: JIS C 1509-1:2005 Class 1, IEC 61672-1:2002 Class 1
Linearity Range: 100 dB
Measurement Range: 26 to 137 dB(A), 31 to 137 dB(C), 36 to 137 dB(Z)
Frequency Weighting: A, C, Z
Measured Parameters: Lp, Leq, Le, Ln, Lmax, Lmin, Lpeak
Time Weighting: Fast, Slow, Impulse, 10ms
Memory Modes: Manual, Automatic
AC Output: 0.707 Vrms/Full Scale (Normal Range), 2.238 Vrms/Full Scale (Wide Range)
DC Output: 2.5 V/Full Scale, 0.25 V/10 dB
RS-232C: Yes
Power Supply: 2 x AA Batteries, AC Adaptor (Optional)
Battery Life: Approximately 8 Hours
Operating Temperature Range: -10 to 50º C
Operating Humidity Range: 25 to 90% Relative Humidity
Dimensions: 78 mm (W) x 263 mm (H) x 47 mm (D)
Weight: Approximately 375 g (Including Batteries)
Standard Accessories: One Windscreen, Two Type AA Batteries, One Hard Shell Transit Case and One Instruction Manual.
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ