ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Sound level
Range
Low A/C: 35 ~ 100 dB
High A/C: 65 ~ 130 dB
Resolution: 0.1 dB
Frequency range: 30 Hz ~ 10 kHz
Frequency: A and C
Response time: Fast
Accuracy: ±3.5 dB at 94 dB sound level, 1kHz sine wave
Microphone: Electric Condenser Microphone
Accuracy: ±3% to standard JISdB(A)
Lux
Range: 20 / 200 / 2.000 / 20.000 lux
Over-range: highest digit of "1" is displayed (user adjustable range)
Accuracy: ±5% of the reading +2 digits
Repeatability: ±2%
Sensor: silicon photodiode with filter
Humidity
Range: 25 ~ 95% r.h.
Resolution: 0.1%
Accuracy: ±5%
Temerature
Range: -20 ~ +200 °C / -20 ~ +750 °C
Resolution: 0.1°C / 1°C
Accuracy
±3% reading ±2°C (-20 ~ +200°C)
±3.5% reading ±2°C (-20 ~ +750°C)
General specs
Display: 17mm LCD 4 digits (maximum indicator: 1999)
Test rate: 1.5 time/s
Working temp.: 0 ~ +40°C
Storage temp.: -10 ~ +60°C
Power supply: 1 - 9V battery(PP3)
Dimensions: 251 x 64 x 40 mm
Light sensor dimensions: 115 x 60 x 27 mm
Weight: 250 g
