Frequency counter series
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_OPERATING INSTRUCTIONS FREQUENCY COUNTER SERIES MADELL TECHNOLOGY CORPORATION © 2004 COPYRIGHT http://www.madelltech.com

The instrument is a multi-function and equal accuracy counter. Features Eight digits, bright seven-segment LED display, four function performance, low power dissipation circuit design, small size, light weight, high stability crystal oscillators ensure accuracy of measurement and full input signals conditioning. Four functions Frequency, period, totaling and self-checking. All functions are accomplished by a monolithic large-scale micro-processor. The input signals can be conditioned by attenuation. The position of switches, indicators, wiring terminals and all specifications are provided...

below 25X) • Temperature: Operating:-5 °C ~+50"C Storage and Transportation: - 40T1 ~ +60 Tl • Humidity: Operating: 10 ~ 90%RH Storage: 5 ~ 95%RH 1. Before Operation • Power Requirement: AC 110± 10%, 50Hz Single-phase, Maximum Power Consumption is 10W. • It requires to be warm up 20 minutes in advance before operation so as to ensure frequency stability of the crystal oscillator. 2. Features of Front Panel: 6) l.TOT Total measurement.fCfcanw/ / available) 7) l.PERI Period measurement.lCfamne/ / available) 8) CHI 10MHz 10Hz~10MHz range selectable. (Channel 1 input) 11) l.ATT Switch of input...