ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Technical specifications
- Frequency: 1 kHz / ± 0.1 %
- Sound pressure levels: 94 decibels (dB) and 114 dB
- Accuracy: ± 0.3 dB (at 20 °C / 68 °F and 760 mm Hg / 101325 Pa)
- Microphone: 1/2 " and 1 " microphone opening
- Standard: IEC 942 class 2
- Power supply: 1 x 9 V battery (block, NEDA 1604, Burgess 2U6 or similar)
- Battery life: Approx. 100 hours
- Environmental conditions: -10 ... +50 °C / +14 ... +122 °F
- Storage conditions: -40 ... +65 °C / -40 ... +149 °F (remove battery beforehand)
- Temperature coefficient: 0 ... 0.01 dB / °C
- Altitude effect: Reduction of approx. 0.1 dB per altitude gain from 2000 ft from the sea level up to 12000 ft or comparable changes of the atmospheric pressure (approx. at every decrease of 50 mm Hg)
- Dimensions: Approx. 48 x 48 x 138 mm / 1.89 x 1.89 x 5.43 "
- Weight: Approx. 250 g / 0.56 lb
Delivery content
1 x PCE-SC 42 class 2 sound level meter calibrator
1 x 9 V battery
1 x user manual
