измеритель частоты

Function and Structure: 44 type meters are used to fit the switchboard,tester,electronic instrument,etc., to inspect the indication of DC/AC,voltage,frequency,power factor,active power,reactive power etc. of the circuit. 2.Major technical parameter: Class 1.0---44L1(44L7) HZ Class 1.5---44C2(44C7)-A,V 44L1(44L7)-A,V Class 2.5---44L1(44L7)- W,Var,CosΦ Operating condition:Ambient temperature -25 +40 , Relative humidity ≤85% Weight: A,V≤0.25 kg W,Var,HZ, COSΦ≤1kg The meters' standard is fit the national requests(GB/T7676-98),same as IEC-51-97. We can also produce the meters according to your drawings or models. We can supply a variety of ammeter/wattmeter / shipped meter/current transformers/voltmeter/shunt/regulator/frequentcy meter. Our company is an enterprise that produces setting style ammeters and accessories. It specializes in the production of Ammeters for AC/DC current,Voltmeters for AC/DCcurrent,Power meters,Power factor meters, Frequency metersm Shunts, Current transformers,and corresponding complements and full-set products. We have passed through the test of GB/T19001:ISO9001:2000 Quality management system. I believe our products can satisfy yours needs. If you have no interest in our products at present ,never mind,we Hope that have chance to cooperate with you in future. Best Regards, sally