TESTO 831 ເຄື່ອງວັດອຸນຫະພູມອິນຟາເຣດ (set with Testo 106)
Temperature - Infrared
Measuring range: -30 to +210 °C
Accuracy: ±1.5 °C or ±1.5 % of mv (-20 to +210 °C)
±2 °C or ±2 % of mv (Remaining Range)
Resolution: 0.1 °C
Emissivity: Adjustable 0.1 to 1.0
Distance to measurment spot: 30:1 (typical at a distance of 0.7 m to the measurement object) 24 mm @ 700 mm (90%)
Spectral range :8 ... 14 μm
General technical data
Protection class: IP30
Measuring rate: 0.5 sec.
Battery type: 9V block battery, 6F22
Battery life:15 h
Display type: LCD
Display ligthing: illuminated
Storage temperature: -40 to +70 °C
Weight: 200 g
Dimensions: 190 x 75 x 38 mm
Operating temperature: -20 to +50 °C
testo 831 - Infrared Thermometer incl. belt holder, Batteries and calibration certificate + Testo 106 - Penetration thermometer incl. TopSafe, belt holder, incl. batteries
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ