ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Applicable standards
+ JIS C 1514: 2002 Classl
+ ISO 7196: 1995
Frequency range:
+ FLAT (FLAT: 1 ~ 100Hz)
+ G - negative pressure rating: LG (G ISO 7196 Reference) 1/3-octave (FLAT: 1 ~ 80Hz)
Microphone sensitivity: TYPE 7146NL (-28dB, independent: -26dB)
Level range Control: 10dB with 06 steps 20 ~ 80dB; 20 ~ 90dB; 20 ~ 100dB; 20 ~ 110dB; 30 ~ 120dB; 40 ~ 130dB
Measuring range:
+ 10 db with 06 steps
+ 20dB ~ 80dB; 20dB ~ 90dB; 30dB ~ 100dB; 40dB ~ 110dB: 50dB ~ 120dB; 60dB ~ 130dB
Measurement parameters:
Sound Pressure (LP)
G-weighted negative pressure (LG)
+ Continuous negative pressure level equivalent to weight (Leq)
+ Maximum negative pressure (Lmax)
Weighted Frequency: G (Digital) / FLAT
Weight time: fast / slow / 10 seconds
Self-noise level: The measurement range is lower than dB, at a level higher than 8 dB at noise level
In Strip: + 3dB with ceiling
Measurement Level:
+ G: 40dB-130dB
+ FLAT: 50dB-130dB
+ 1/3-octave: 30dB ~ 130dB
Frequency range of analysis: 1/1 octave filter: 1 Hz, 1.25Hz, 1.6Hz, 2Hz, 2.5Hz, 3.15Hz, 4Hz, 5Hz, 6.3Hz, Hz, 40Hz, 50Hz, 63Hz, 80Hz OA, ARG
Measurement time: 1s, 3s, 5s, 10s, Imim, 10mim, 15mim, 30mim, 1h, 8h, 12h, 24h, or maximum 199h59m59s
Color Picking Time:
+ 8 us (Leq, Lmax, Lmin, Lpq, Lpmax)
+ 666 us (LGeq, LGmax), 64ms (LN)
Data erase function: Stop, and delete function before 3 or 5 seconds, start data memory: automatic or manual selection
Timer function: Set time to stop measurements at any time
Marketing:
Liquid crystal display 128x64 pixels
+ Donation: donation 04 number
+ Donation Period: 1 second
Coupon: 0.1 seconds
+ Warning: Over: + 3dB from the highest measurement; Below: - 0.6 dB from the lowest scale
+ Pin status
+ Time: year / month / day / hour: minute: seconds
Signal correction: electronic calibration with internal oscillator (sine wave 1 kHz, 20Hz)
Measurement result: stored on the machine's memory or external memory card.
Operating temperature: -10 to 500C
Humidity: 30% to 90% RH (non-condensing)
Power supply: 4 AA 1.5V batteries
AC and DC output terminals connect to the timetable graph plotter and the USB port connected to the computer.
Max / Min result retained.
Overload indication.
Power Consumption Battery Screen
There is a card slot that connects to a memory card or analytical card
Dimensions: 85 (W) X 328 (H) X 48 (D)mm
CONTENTS:
1.Main Body
2.Memory Card(SD Card)
3.G-card(1/3-octave RSR)
4.BNC pin code
5.Windscreen(Φ90)
6.Carrying Case
7.Batteries
8.Strap
9.Instruction Manual(CD)
