Multifunction Counter China Engineering Lab Training System Suppliers
Microprocessor to realize intelligent measurement;
Low pass filter and attenuator in pre-position circuit;
Count backwards, realize the equivalent accuracy measurement with fast speed and high sensitivity;
Micro SCM to measure freq period and intelligentize the management;
LSI design and CPLD application to diminish the components qty and the average working time be not less than 10000h without fault;
Fine outline, small, light, easy to handle.
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Frequency measurement |
1Hz~1.5GHz |
1Hz~3GHz |
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Cycle measurement |
10ns-1s |
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Count capability |
10-8-1 |
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Input impedance |
Channel A 1MΩ//40pF Channel B 50Ω |
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Input coupling mode |
AC |
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Waveform adaptability |
Sine, triangle, pulse |
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Dynamic of input voltage |
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Channel A |
30mVrms~250Vp-p |
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Channel B |
30mVrms~1Vrms |
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Frequency measurement |
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Channel A |
1Hz~100MHz |
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Channel B |
100MHz~1.5GHz |
100MHz~3GHz |
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Channel A low pass filter |
-3dB bandwidth 100kHz |
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Channel A attenuation |
×1 or ×20 |
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Measurement error |
±Timebase error ± Trig error ±LSD LSD=100ns/Strobe time×Measured frequency (or measured period) |
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Trig error |
SNR of input signal =40dB, trig error≤0.3% |
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Strobe time |
10ms, 100ms, 1s, 10s |
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Count capability |
0~99,999,999 |
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Crystal vibrator freq |
10MHz |
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Freq stability of Crystal vibrator |
1×10-5/date |
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Ext input frequency |
10MHz |
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Ext freq input amplitude |
>1Vp-p |
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Display |
8 highlight 0.5 LED display, 3 unit LED, 1 gate LED, 1 external standard frequency LED |
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