ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Specification
Noise levels
Low: 30 ... 80 dB
Medium: 50 ... 100 dB
High: 80 ... 130 dB
Auto: 30 ... 130 dB
Dynamic range: 50 dB
Display 4-digit LCD
Resolution: 0.1 dB
Accuracy: ±1.4 dB
Sampling rate: 2 x per second
Frequency: 31.5 Hz ... 8 kHz
Storage capacity: 32,700 readings (9 hours @ 1 second interval)
Frequency weighting: A and C
Time weighting: Fast (125 ms); Slow (1 sec.)
Microphone type Electret condenser
Functions: MIN, MAX, HOLD, ALARM
Analog output: AC/DC millivolt ; Headphone
Data interface: USB port
Automatic shutdown: After 15 minutes inactivity
Operating conditions: 0 ... +40 °C / +32 ... +104 °F, < 90 % RH
Storage conditions: -10 ... +60 °C / +14 ... +140 °F, 10 ... 75 % RH
Power supply: 9 V block battery (for approx. 30 h continuous operation)
AC power
Dimensions: 280 x 95 x 45 mm / 11.02 x 3.74 x 1.77"
Weight: Approx. 350 g / 0.78 lb
Standards: IEC 61672-1 Class II
Delivery contents
1 x PCE-322A environmental tester
1 x wind noise suppressor
1 x USB cable
1 x mini tripod
1 x calibration screwdriver
1 x battery
1 x power adapter
1 x carrying case
