PCE 444 ເຄື່ອງວັດແທກອຸນຫະພູມດີຈີຕອນ ແລະເຄື່ອງວັດແທກອຸນຫະພູມ
Specification
Measuring range of temperature:-20 ... 70°C / -4 ... 158°F
Measuring range of relative humidity (RH):0 ... 100% RH
Measuring range of dew point temperature:20 ... 70°C / -4 ... 158°F
Measuring range of wet bulb temperature:20 ... 70°C / -4 ... 158°F
Measuring accuracy of temperature:± 1.0°C / 1.8°F
Measuring accuracy of relative humidity: 45 ... 75%: ± 3.0% RH, otherwise: ± 4.5% RH
Measuring accuracy of dew point temperature:± 1.5°C / 2.7°F at 25°C / 77°F, 40 ... 70% RH
Measuring accuracy of wet bulb temperature:± 1.5°C / 2.7°F
Resolution of temperature:0.1°C / 0.18°F
Resolution of relative humidity:0.1% RH
Resolution of dew point temperature:0.1°C / 0.18°F
Resolution of wet bulb temperature:0.1°C / 0.18°F
Automatic shutdown:After 15 minutes of inactivity (can be disabled)
Operating temperature:-20 ... 60°C / -4 ... 140°F
Storage temperature:-20 ... 60°C / -4 ... 140°F
Power supply:3 x 1.5V AAA batteries
Battery life:Approx. 50 hours of continuous use at full charge
Dimensions:168 x 56 x 30.5 mm / 6.6 x 2.2 x 1.2 in
Weight:75 g / < 1 lb
Dilivery Contents
1 x PCE-444 air humidity meter
3 x 1.5V AAA batteries
1 x User manual
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ