Trotec SL300 ເຄື່ອງວັດແທກລະດັບສຽງ (30~130dB)
Measuring range : 30 dB to 130 dB
Accuracy: ± 1.4 dB as per DIN EN 61672
Resolution: 0.1 dB
Frequency range: 31.5 Hz to 8 kHz
Dynamic range: 50 dB
Partial measuring ranges
(01):30 – 80dB
(02):50 – 100dB
(03):80 – 130dB
(04):30 – 130dB (Auto)
Display response time: 500 ms
Power supply: 9 V battery 006P or NEDA 1604or IEC 6F22
Alarm function: OVER: Fallen below measuring range UNDER: Fallen belowmeasuring range
Data hold function: 50 data records
Time weighting: FAST (-125ms); SLOW (-1s)
Microphone: 1/2-inch electret condensermicrophone
Operating conditions: 0 °C to 40 °C with 10 % to 90 % RH
Storage conditions: -10 °C to +60 °C with 10 % to 75 % RH
Weight: 230 g
Dimensions (length x width x height): 210 mm x 55 mm x 32 mm
Automatic switch-off: Switch-off after approx. 15 min of non-use
Scope of delivery
• 1 x Digital sound level meter
• 1 x Device bag
• 1 x Wind shield for microphone
• 1 x 9 V battery
• 1 x Quick guide
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ