ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Manufacturer: Kanomax
Model: 4431
Origin: Japan
Warranty: 12 months
Weighting: A, C and Z (FLAT)
Ranges: A: 28 - 130 dB, Z 39 - 130 dB
Time respond: Fast or Slow
Standards: ANSI S1.4 1983: Type 2; IEC 61672-1: Class 2
Interface: USB, Printer
Output: 1 Vrms (AC output); 2.5 V (DC output)
Power Supply: 4 AA Batteries or AC adapter
Operaing Environment: 14 to 122°F (-10 to 50°C), 30 to 90%RH with no condensation
Dimensions: W 3.4″ x H 12.9″ x D 1.9″
Weight: 1 lb (453g)
Standard Accessories: Operation manual, SD card for data storage, Windshield, Carrying case, AA batteries,
Hand strap, Calibration certificate
- Features:
Lightweight and compact design
A, C, and F weighting modes
28 to 130 dB measurement range
Measures Lp, Leq, Le, Lmax, Lmin and Lx
Equipped with highly sensitive electret condenser microphone
Large 4 digit display with 0.1 dB resolution with backlighting and analog bar graph
Add additional functions with the program cards
Includes SD card for data storage, windshield, carrying case, AA batteries, hand strap, and calibration certificate
- Applications:
Industrial Hygiene Investigation
Noise Exposure Measurement
Environmental Noise Measurement
Datasheet
Manual
