MF-BN数显表台湾AXE钜斧

5 ????? ( 5 DIGITAL FREQUENCY METER ) ???(FEA T U R ES ) ????0.01%??? (A ccuracy 0.01% F.S.) ???? ????/?????? (M easuring A C Frequency,Pulse(T T L,C M O S ) Frequency) ??????? 50K Hz(A ccepts input rates up to 50K Hz) ???????????(D ecimal point can be modified) ????,????(D imension small and High stability) MODEL MF 1.MODEL:MF-? ? ? NO A B C D E Input Frequency 0-99.999 Hz 0-999.99 Hz 0-9999.9 Hz 0-49999 Hz SPECIFIED NO 1 2 3 4 9 Input Level Pulse(TTL) Pulse(CMOS) AC 2-60V AC 50-600V SPECIFIED NO A O Aux. Power AC110/220V SPECIFIED ? ?20% of rate less 3VA for AC input (50/60Hz) 2:SPECIFICATION (????) 3.OUTSIDE DIMENSION AND CONNECTION DIAGRA (?????????????) 4.ORDERING INFORMATION (????) 1 2 3 4 5 6 7 8 9 10 IN (HI) IN (Lo) 220V 110V 0V AC SOURCE - DC + 48mm 96mm ????? PANEL CUT-OUT 92mm+0.8 -0 45mm +0.8 -0 7mm 63mm 85mm 15mm ??? MODEL:MF-B4A ? Input Frequency : 0-999.99Hz (??????) ? Input Level : A C 50-600V (??????) ? A ux. power supper : A C110V or 220V ?(50 or 60Hz) (????) ? M easuring accuracy : 0.01% F.S. (23 ?5?) ( ? ? ? ) ? Sampling time : 10 cycles/sec. (> 10Hz) ( ???? ) f cycles/sec. (< 10Hz) ? Input impedance : > 2M ohm or more ( ???? ) ? M ax. input over : 1.5 x rated continuous ( ???? ) 2 x rated 30 seconds ? Over input indication : " doFL " ( ???? ) ? Readout range : 0-99999 digit adjustable ( ????? ) ? Parameter setting : Touch switches ( ????? ) ? D isplay : Red high efficiency LED s high 14.22mm (.56") ( ??? ) ? D ielectric strength : 2K Vac/1 min. (input/power) ( ?????? ) ? Surge test : A NS I C37.90a/1974, D IN-IEC255-4 (???? ) impulse voltage 4K V (1.2 x 50us) ? Operating condition : 0-50?(20 to 90% R H non-condensed) ( ?????? ) ? Storage condition : 0-70?(20 to 90% R H non-condensed) ( ?????? ) ? C E EM C Certification : EN 55022:1998/A 1:2000 Class A ( C E?? ) EN 61000-3-2:2000 EN 61000-3-3:1995/A 1:2001 EN 55024:1998/A 1:2001 (????) 10