Range Doubler C-7081GND

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unit face
unit face
meter
meter / scale
panel
range selector & panel
ensemble
ensemble as purchased
instructions
6 page English manual
schematic
schematic as in manual
receipt
original undated receipt
rear open
rear cover
rear open
rear cover removed
rear open
rear cover removed

Quick reference - Range Doubler C-7081GND

retailer/manufacturer figures

Serial No 1272, but no manufacturer marking
DC voltage
12 ranges		 0.5-2.5-10-50-250-1000V at 25kΩ/volt
0.25-1.25-5-25-125-500V at 50kΩ/volt (V.A/2)
±3% of full scale on all ranges, except;
0.25-2.5V, 500 and 1000V ranges ±4%
AC voltage
10 ranges		 3-10-50-250-1000V at 5kΩ/volt
1.5-5-25-125-500V at 10kΩ/volt (V.A/2)
±3.5% of full scale on all ranges, except;
3V, 500 and 1000V ranges ±4%
1.5V ±5%
Decibels: -20 to 62 db in 10V AC ranges
DC current
10 ranges		 50uA-5mA-50mA-500mA-10A
25uA-2.5mA-25mA-250mA-5A (V.A/2)
±3% of full scale on all ranges, except;
5A and 10A ranges ±4%
Resistance
4 ranges		 Rx1- 0 to 16kΩ / Rx10- 0 to 160kΩ
Rx100- 0 to 1.6MΩ / Rx1K- 0 to 16MΩ
±3% of full scale with 'full' battery
Dimensions 165 x 120.5 x 63.5 mm / 6.5 x 4.75 x 2.5 inches
Weight ?g approx.
Battery 1.5V X 2
This example tidy, more research...