HIKMICRO AD21 ເຄື່ອງກວດຈັບສຽງຮົ່ວ (150~7500 Hz, 80 dB)
- Acoustic
Frequency Range : 150~7500 Hz
Signal Noise Ratio : 60 dB
Sensitivity : -29dB, 70 mv/g
Sensor : hand held sensor, Pick-up sensor
Band Pass Filters:
Indoor low frequency 150Hz to 3000Hz
Indoor mid-frequency 3000Hz to 6000Hz
Indoor high frequency 4500Hz to 7500Hz
Indoor all-pass 150Hz to 7500Hz
Amplification : 80 dB
- Image Display
Display : 1024 × 600 Resolution, 7"LCD Touch Screen
Screen Brightness : Manual/Auto
- Data Storage and Communication
Storage Media : Built-in EMMC (4GB)
Audio Storage Capacity : Approx. 20 hours
Audio File Format : .wav
- General
USB Interface : USB 2.0, USB Type-C
EMC: EN55032:2015+A11:2020 EN50130-4:2011+A1:2014 EN61000-3-3:2013
Working Temperature Range : -10 °C to 50 °C (14 °F to 122 °F)
Drop Test Height : 1.2 m(3.93 ft)
Weight:
Main Unit: 821g(1.81 lb)
Hand held sensor:239g(0.53 lb)
Pick-up sensor:490g(1.08 lb)
Headset:214g(0.47 lb)
Standard package:3000g(6.61 lb)
Storage Temperature Range : -40°C to 70°C (-34°F to 142°F)
Relative Humidity: ＜ 90 % non-condensing
Battery Type: Rechargeable Li-ion Battery
Battery Operating Time : ≥11h
Battery Charging Time : 3h to 90%, 6h to full charge
Protection Level: Main Unit: IP40, Hand held sensor:IP54; Pick-up sensor: IP66
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ