Radio Shack 22-178 Owner's Manual page 10

22-178.fm Page 10 Friday, August 6, 1999 11:38 AM
Resistance
300 ohms–3–30–300 kohms ...............
3 M ohms ............................................
30 M ohms
..................................................±
Range ......... Full auto-range or manual-range control for
voltage and resistance measurements. Semi-auto and
manual range for current measurements.
Polarity ..................... Automatic, Minus sign for negative
Input Impedance ....................... 10 Megohm (DCV/ACV),
More than 100 Megohm on 300 mV DC
Continuity Function ................. Continuity buzzer sounds
Low Battery Indicator ...................
battery voltage drops below operating voltage
10
1.0% of reading,
±
0.2% of full scale, 1 in last digit
± ±
2.0% of reading,
±
0.2% of full scale, 1 in last digit
± ±
3.5% of reading,
0.5% of full scale, 1 in last digit
± ±
at less than about 20 ohms
appears when
polarity