ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
FIVE DIFFERENT MEASUREMENT MODES :
- Mode 1 : Conventional sound level meter
- Mode 2 : Conventional sound level meter with storage.
- Mode 3 : Conventional and integrating-averaging sound level meter
- Mode 4 : Integrating-averaging sound level meter with storage.
- Mode 5 : Sound level meter “calculator” of two sound sources.
MEASURED VALUES :
- Weighted sound level : L
- Equivalent continuous level : Leq
- Sound exposure level : LE
- Peak pressure level : Lpk
Sound level meter : NF EN 61672-1 (2003) - NF EN 60651 (1994) – NF EN 60804 (2000).
CE conformity : EN 61010 – EN 61000 generic and as per product standards.
Measuring range :
A-weighted measurement range : 30-130 dB
C-weighted measurement range : 35-130 dB
Z-weighted measurement range : 35-130 dB
Peak channel measurement range : 83-133 dB
Resolution : 0,1 dB
Accuracy : Class 2
X frequency weighting : A – C – Z
Y frequency weighting : F (fast) – S (slow) I (impulse) – Peak (pk)
Logging time for short Leq (DI) : from 1 s to 60 s
Measured values : LXY – LXYmax – LXYmin - LXeq, T – LXeq,DI – LXE – LXeq, DImax – LXeq, DImin
Backlighted display : graphic display 240 x 160 pixels
Memory capacity : 25 periods of 86 500 values
Integrated Micro SD card type – data transfer by USB cable
Humidity : 90 % RH max.
Temperature : from -10 °C to + 50 °C.
Batteries : 3 x LR6/AA
Supplied with : Windshield, Transport case, 3 LR6-AA batteries, Calibration certificate, Transfer cable USB type, LDB200 software
