Elenco Electronics LP-560 Specifications

• CAPTURES PULSES TO 25ns (20MHz) • AUDIO BEEPER, TWO SOUNDS HI & LOW • MEMORY FUNCTION SPECIFICATIONS Working Voltage 4-18VDC Frequency Response 20MHz TTL: Logic “1” (HI LED) >2.3 +0.2VDC Logic “0” (LO LED) <0.8 +0.2VDC CMOS: Logic “1” (HI LED) >70% Vcc +10% Logic “0” (LO LED) <30% Vcc +10% Minimum Detectable Pulse Width 25ns Input Impedance 1MΩ Input Overload Protection +220VAC/DC, 15s Supply Voltage Protection +20VDC Pulse Indicator Flash Time 500ms Operating Temperature 32° - 122°F USER INSTRUCTIONS 1. Set the TTL/CMOS switch to the correct logic and the PULSE /MEM to PULSE. 2. Connect the red alligator clip to the positive (+) supply and the black alligator clip to the negative (–) supply of the test unit. 3. Touch the point to be tested with the probe tip and refer to the chart below: - LED on - LED off - LED Blinking - LED may be on or off Memory Mode 1. Touch the point to be tested and set PULSE/MEM switch to MEM. The pulse LED lights with the first transition. The LED stays lit until its reset by switching to the PULSE position. Elenco® Electronics, Inc. 150 Carpenter Ave. Wheeling, IL 60090 U.S.A. www.elenco.com (847) 541-3800 Made in CHINA INPUT SIGNAL LED STATES HIGH LO PULSE SOUND Logic tip is not connected or bad logic level. Low Logic “0”, no pulse activity. High Logic “1”, no pulse activity. Low Logic “0”, with positive single pulses. High Logic “1”, with negative single pulses. Low/High Square wave <200kHz. Low/High Square wave >200kHz. *****