Micronta 22-193 (USA 1985-91)

Photo' links (new tabs) AND notes section
return to index page

unit face
unit open
lcd display
lcd display
selector switch
panel & selector switch
closed unit
unit closed
schematic
schematic from manual
based on IC: SXC 1901F
schematic
21 page Manual (English)
schematic
20 page Manual (Francais)
cat 1985
1985 RadioShack catalogue entry

Quick reference - Micronta 22-193 (USA 1985-91)

Using similar design to the 22-211 folding analogue meter, but a little too large to be handy.

retailer/manufacturer figures

Availability Marketed by RadioShack/Tandy 1983-87
Made in China
RadioShack
Collection of RadioShack / Tandy catalogues from 1939 to 2011 (view online!)
Operation manual mode select / Autorange with manual hold
except AC/DC 200mA and 10A ranges
auto power off
Display 3 1/2 digit LCD / Max 1999
Safety Over-range indication on each range
Full auto-polarity operation
Fuse 0.315A 250V
DC voltage
Max. 1000 V		 200mV-2V-20V-200V-2000V
accuracy ±0.8% of reading / ±0.2% full scale / ±1 in last digit
AC voltage
Max. 500V RMS		 2V-20V-200V-2000V
accuracy ±1% of reading / ±0.5% full scale / ±1 in last digit
DC current 2mA-20mA-200mA
accuracy ±1.5% of reading / ±0.2% full scale / ±1 in last digit
AC current 2mA-20mA-200mA
accuracy ±1.5% of reading / ±0.5% full scale / ±1 in last digit
Resistance 200Ω-2kΩ-20kΩ-200kΩ-2000kΩ
±1.5% of reading / ±0.2% full scale
±1 in last digit / +18 digit max at 200Ω
Continuity Buzzer sounds at less than 300Ω input
Diode Test check if open, short or normal
Input impedance 10 MΩ (DCV/ACV)
more than 100MΩ on 200mV DC
Dimensions
Open / closed		 Open: 278x145x37mm / 10.9x5.7x1.5 ins
Closed: 153x145x52mm / 6x5.7x2.1 ins
Weight 500g approx./ 1.1 lb
Battery 2 x 1.5V AAA
"BATT" on left of display if below 1.2-1.3V
This example Clean, solid and functioning.
continuity buzzer misbehaving