Manufacturer: Helper Instruments
Manual: Included (Reprint of original)
Modified: Slightly (Replaced potentiometer knobs as they were damaged)
Unit has been recently cleaned, inside and out. Works perfectly.
Push-push power switch; push/AC VOLTS – push/SINAD switch; rotary AC VOLTS range switch; 1 kHz tone output level control; internal speaker level control.
Permanently affixed shielded test cable w/ miniclips.
Nine: 10mV, 30mV, 100 mV, 300 mV, 1 V, 3 V, 10 V,
+/- 3% of full scale +/- 0.25 dB, 100 Hz to 20 kHz
In SINADDER Mode, AGC controlled constant volume to internal speaker
In VOLTMETER Mode, range switch and front panel pot control volume.
1000 Hz +/- 1 Hz, 1.5 VRMS into 800 ohm load, Front panel controller
115/230 VAC Strap selectable 50/60
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