ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Sound level: 94 dB, 104 dB, 114 dB
Accuracy: ±0.4 dB
Class: 2
Frequency: 1000 Hz for A, B, C và D frequency weighting
Frequency accuracy:±1.7 %
Stabilization time: 10 seconds
Total harmonic distortion : <3 %
Environmental conditions
Temperature influences: <0.4 dB at 0 ... 40 °C / 32 ... 104 °F
Humidity influences: 25 ... 90 % RH
Atmospheric pressure: <0.1 dB at 65 ... 108 kPa
Stability at <60 seconds: ±0.15 dB
Stability after one year: ±0.35 dB
(normal use)
Operating conditions: 0 ... 40 °C / 32 ... 104 °F, <25 ... 90 % RH,
non-condensing
Storage conditions: -20 ... 50 °C / -4 ... 122 °F, <90 % RH,
non-condensing
Automatic shutdown: after 20 minutes
Power supply: 2 x 1.5 V AA batteries
Battery life: ca. 50 hours
Microphone size : 1/2 inch
Dimensions: 60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4"
Weight: 400 g / 14.1 oz
Sound pressure level: 94 dB, 104 dB, 114 dB
Accuracy: ±0.4 dB
Class: 2
Frequency: 1000 Hz for A, B, C and D frequency weighting
Frequency accuracy:±1.7 %
Stabilization time: 10 seconds
Total harmonic distortion : <3 %
Environmental conditions
Temperature influences: <0.4 dB at 0 ... 40 °C / 32 ... 104 °F
Humidity influences: 25 ... 90 % RH
Atmospheric pressure: <0.1 dB at 65 ... 108 kPa
Stability at <60 seconds: ±0.15 dB
Stability after one year: ±0.35 dB
(normal use)
Operating conditions: 0 ... 40 °C / 32 ... 104 °F, <25 ... 90 % RH, non-condensing
Storage conditions: -20 ... 50 °C / -4 ... 122 °F, <90 % RH, non-condensing
Automatic shutdown: after 20 minutes
Power supply: 2 x 1.5 V AA batteries
Battery life: ca. 50 hours
Microphone size : 1/2 inch
Dimensions: 60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4"
Weight: 400 g / 14.1 oz
Delivery scope
1 x Class II Decibel Meter Calibrator PCE-SC 43
2 x 1.5 V AA batteries
1 x Instruction manual
