Frequency meter

Key Attributes.

frequency meter feature 1.using SCM function, strong anti-interference 2.ultra low frequency rotational speed test,(10 times/min) 3.current watchcase, case(96*48mm) 4.backup data fpr power fail, data could be kept for 10 years Model and parameter Input high level range 30V=input=4V Input low level range =0.5V Counting speed 10KPCS Contact burden AC250V/ 3A DC24V/ 5A Assistant power +12V +5V 30Madc Power supply AC220V 110V Dielectric voltage DC500V Insulation =100MO Anti-interference IEC801 3G Operation temperature 0-50?(relative temperature 45%-85%) Storage temperature -20-60?(relative temperature 45%-85%)