Ua ib tug neeg raug caw tuaj sau daim Calibration Specification, "Tai'an PANRAN Measurement and Control Technology Co., Ltd." tau xaiv nws tus thawj coj engineer Xu Zhenzhen los koom nrog sau daim "JJF2058-2023 Calibration Specification for Environment Parameters of Constant Temperature and Humidity Laboratories", uas tau tshaj tawm tsis ntev los no.PR750Cov txheej txheem kaw thiab ntsuas qhov kub thiab txias siab thiab qis ib puag ncig loj thiab qhov av noo tsim thiab tsim los ntawm PANRAN npog qhov kev ntsuas qhov kub, av noo thiab lwm yam kev ntsuas ib puag ncig hauv qhov kub thiab txias tas li ntawm (-30 ~ 60) ℃, (0 ~ 100)% RH, thiab ua tau raws li qhov yuav tsum tau ua ntawm cov lus qhia no.
Lub sijhawm tshaj tawm: Lub Yim Hli-23-2023
