EXTECH IR250 ເຄື່ອງວັດອຸນຫະພູມຂະໜາດນ້ອຍອິນຟາເຣດ (-20 ~ 260°C, 0.95, fixed)
Range: -20 to 260°C (-4 to 500°F)
Resolution: 0.1°
Accuracy:
-20°C to -7°C (-4 to 20°F): ±4°C (7.5°F)
-7°C to 260°C (20 to 500°F): ±3% of reading or ±2.5°C /5°F (whichever is greater)
Note: Accuracy is specified for an ambient temperature range of 18 to
28°C (64 to 82°F)
Emissivity: Fixed 0.95
Field of View: D/S = Approx. 6:1 ratio (D = distance; S = spot or target)
Laser pointer: Class 2(II) laser < 1mW power; Wavelength is 630 to 670nm
IR Spectral response: 8 to 14 m
Display: Backlit LCD display with function indicators
Display update rate: Less than 1 second
Operating Temperature: 0°C to 50°C (32°F to 122°F)
Operating Humidity: 80% Relative Humidity max.
Power Supply: 9V battery
Automatic Power Off: Meter shuts off automatically after 8 seconds
Weight: 125g (4.4 oz)
Dimensions: 80x31.7x137mm (3.15 x 1.25 x 5.4”)
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ