PULSAR 91K ເຄື່ອງວັດແທກລະດັບສຽງ (Class1, 25 - 140 dBA,computer connection, calibration)
Type: Class 1
Measurement Range: 25 - 140 dBA
Noise Floor Limit: 20 dBA
Peak Measurement: 143 dBC
Measurement function:
LAeq, LCeq or LZeq LCpeak
LAF, LAS, LAI, LCF, LCS, LCI, LZF, LZS or LZI (not stored)
LAFmax, LASmax, LAImax, LCFmax, LCSmax, LCImax, LZFmax, LZSmax or LZImax
LAFmin, LASmin, LAImin, LCFmin, LCSmin, LCImin, LZFmin, LZSmin, LZImin
LAE, LCE or LZE, LAleq, LCleq or LZleq, LAFTeq
L0.1 to L99.9
Memory: 16Mbit memory allowing up to: 1300 broadband measurements
Microphone: MK:224 pre-polarised Free-field ½ Condenser
Display: Graphical LCdwith measured values, elapsed time, frequency, battery level indicator
Battery Type: 2x AA Alkaline batteries
Battery Life: typically > 24 hours
Dimensions 340mm x 75mm x 25mm
Weight:450g
External Connections: USB type B data Out / Multipin I/O for optional connections
Accessories: 91 Sound Level Meter, Model 105 Acoustic Calibrator, WS90
Windshield, K2 Hard Attaché Case, Wrist Strap, Batteries (2 X AA
batteries), Calibration Certificate for the sound level meter and its
acoustic calibrator, User manual, ‘Analyser’ download, analysis and
reporting software, USB download cable
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ