ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Specification
Noise ranges:
Low 30: ... 80 dB
Medium: 50 ... 100 dB
High: 80 ... 130 dB
Auto: 30 ... 130 dB
Resolution: 0.1 dB
Accuracy: ±1.4 dB
Frequency range: 31.5 Hz...8 kHz
Time evaluation: FAST (125 ms); SLOW (1 sec)
Frequency rating: A and C
Microphone type: Electret
Display: 4-digit LCD
Alarm function: OVER and UNDER
Automatic shutdown: After approx. 15 minutes of inactivity
Power supply: 9V battery
Battery life: At least 30 hours
Environmental conditions: 0 ... 40°C / 32 ... 104°F, 10 ... 90% rel. humidity
Storage conditions: -10 ... 60°C / 14 ... 140°F, 10 ... 75% rel. humidity
Weight: 340 g / < 1 lb (without battery)
Dimensions: 283 x 93 x 45 mm / 11.1 x 3.7 x 1.8 in
Standard: IEC61672-1 Class 2
Delivery contents
1 x Sound Level Meter PCE-MSM 4
1 x Wind noise suppressor
1 x Battery
1 x Transport case
1 x Screwdriver
1 x USB cable
1 x Power supply
1 x Mini tripod
1 x User manual
