ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Applicable standards: IEC61672-1: 2013 Class 2, ANSI S1.4: 1983 Type 2
Digital display: 4 digit LCD , 0.1dB resolution, updated every 1s
Measurement level: 26dB to 130dB
Measurement frequency range: 31.5 Hz to 8KHz F
requency weighting: A and C
Time weighting: Fast and Slow
Accuracy: ±1.0dB (ref 94dB @1KHz)
Microphone: 1/2 inch Electret condenser microphone
Measurement level range: 6 ranges in 10-dB step : 20 ~ 80dB ,30 ~ 90dB , 40 ~ 100dB , 50 ~ 110dB , 60 ~ 120dB , 70 ~ 130dB
Quasi-analog bar indicator: 1-dB steps, 60dB display range , updated every 0.125s
Display warning function:
+ Overrange indicator: Displayed at the upper limit
+ Underrange indicator: Displayed at the lower limit
Manual data memory capacity: 99 sets
Analong AC / DC output: 1Vrms ( at full scale ) , 10mVDC / dB
Power supply: One 9V battery (006P or IEC6F22)
Battery Life: about 10 hours
Operating temperature & humidity: -10°C to 50°C (14℉ to 122℉) R.H. < 90% non-condensing
Storage temperature & humidity: -10°C to 60°C (14℉ to 140℉) R.H. < 70% non-condensing
Dimensions: 264 (L) × 68(W) × 27(H)mm
Weight: Approx. 260g
Accessories: Battery 9V, Wind shield, Screwdriver (adjustment), 3.5f plug (3pin AC/DC output), Carrying case, Instruction manual
