Need help?Do you have a question about the Tenma 72-455 and is the answer not in the manual?
General| Engine Displacement | 63 cc |
|---|---|
| Run Time | 5 hours @ 50% load |
| Noise Level | 68 dB at 23 feet |
| AC Output | 120 V |
| DC Output | 12 V |
Details the selectable frequency ranges and the accuracy of frequency generation.
Specifies output voltage, frequency response, and distortion factor for sine waves.
Covers output voltage, sag, rise/fall times, overshoot, and duty ratio for square waves.
Defines the synchronizing range for external signals.
Summarizes the signal path from oscillator to output, including waveform shaping and attenuation.
Describes the Wien bridge oscillator, frequency range selection, and amplifier stages.
Details the Schmitt-trigger circuit used for shaping sine waves into square waves.
Explains the SEPP-OCL output circuit providing low impedance.
Covers the 6-position attenuator, its steps, accuracy, and output impedance.
Lists and explains the functions of front panel controls like Power, Attenuator, and Output.
Identifies and explains rear panel components like SYNC terminal, Fuse, and AC Connector.
Covers checking the fuse, connecting power, and initial warm-up.
Explains how to use the WAVE FORM switch to select output waveforms.
Details how to set the FREQ. RANGE switch and frequency dial for desired frequency.
Explains how to adjust output voltage using the AMPLITUDE and ATTENUATOR controls.
Describes how to synchronize the instrument's frequency with an external signal.
Explains its use for measuring amplifier distortion and frequency characteristics.
Describes how to use the instrument to measure amplifier gain with an example.
Explains how to measure phase shift using the instrument and an oscilloscope.
Instructions for case handling and fuse replacement.
Outlines the process of adjusting the frequency dial to match a frequency counter.
Covers voltage limits, lead length, power supply, waveform behavior, temperature, switch operation, impedance, and noise.
To Next Page
