ELCOMETER 309 Delta T Hygrometer (-20ºC~+80ºC)
Operating Range: -20ºC to +80ºC (-4 ºF to +176ºF)
Air Temperature (TΔ): -20ºC to +80ºC (-4 ºF to +176ºF)
Surface Temperature (TS): -20ºC to +80ºC (-4 ºF to +176ºF)
Relative Humidity (RH) & Accuracy: 0% to 100% RH (±3%) (Default upper limit 75%, user adjustable)
Resolution: 0.1ºC (0.1ºF) / 0.1%
Power Supply: 2 x AA 1.5V Batteries or via USB Cable
Battery Life: Greater than 40 hours (Backlight off)
Dimensions: 180 x 75 x 35mm (7 x 3 x 1.4”)
Weight: 300g (10.6oz)
Packing List: Elcometer 309 Delta T Hygrometer, wrist strap, 2 x AA batteries, protective pouch with belt clip, RH probe calibration certificate and operating instructions
c/w FULL CALIBRATION CERTIFICATE
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ