ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
SOUND PRESSURE LEVEL (SPL):
Lo: 30 ÷ 80/ Med 50 ÷ 100/ Hi 80 ÷ 130/ Auto 30 ÷ 130/ Hi: 80 ÷ 130: 50dB; ÷1.4dB; A, C; 31.5Hz ÷8kHz
TIME INTEGRATION: FAST: 125ms; SLOW: 1s
ANALOGICAL OUTPUT:
AC 1Vrms respect selected FS 100Ω
DC 10mV/dB 1kΩ
Display and output interfaces: LCD, 4 digits, custom, with backlight and bargraph
Display update: 2/s
Output PC connector: mini USB
Microphone ½” Electret condenser
Recordings: Sample interval selectable within 1s and 59s; Max 32700 recordings saved inside internal memory
Mains supply: 1x9V alkaline battery type IEC 6F22; 30 hours;
External adapter: 100-240VAC, 50/60Hz, 0.3A / 9VDC, 500mA
Auto Power OFF: after 15min of idleness
Dimensions ( L x W x H): 260 x 65 x 50mm
Weight (with battery): 280g
Mechanical protection: IP40
Accessories
Screwdriver for manual calibration
User manual for mobile calibrator
Tripod; USB cable; Wind protection; Rigid case
