The Vanguard Auto-Ohm 10 is a 10-ampere battery powered micro-ohmmeter designed for low-resistance-measuring applications such as the measurement of resistance in circuit breaker contacts, bushing contact joints, and welding joints. The unit is powered by four 3400mAh, 3.7Vdc Li-Ion rechargeable batteries. With these high capacity batteries, up to 2,900 tests per charge (10A/2 second duration) can be performed in the field. The Auto-Ohm 10 features a built-in charger that can charge the batteries when the unit is not in use.
The Auto-Ohm 10 features a rotary knob that is used to select either the “Contact Resistance” or “Transformer Resistance” test mode. The unit's backlit LCD screen (128 x 64 pixels) is viewable in both direct sunlight and low light level. Resistance readings are displayed on the LCD screen in micro-ohms, milliohms, or ohms.
-
High capacity Li-Ion batteries (perform up to 2,900 tests per charge (@ 10A/2 sec)
-
Built-in charger and line-power for continuous operation
-
Transformer winding resistance test mode
-
Contact resistance test mode
-
Protected to 600V
-
Lightweight (7.8 lbs. / 3.54 Kg)
|
Auto-Ohm 10
|
Technical Specifications
|
|
|
|
|
|
|
|
|
TYPE
|
Low Resistance Micro-Ohmmeter
|
|
PHYSICAL SPECIFICATIONS
|
Dimensions: 14”W x 8”H x 12” D (36 cm x 19.4 cm x 30.4 cm)
Weight: 7.8 lbs. (3.54 Kg)
|
|
INPUT POWER
|
100 – 240 Vac, 50/60 Hz
|
RESISTANCE READING RANGE
AND ACCURACY
|
|
Test Current
|
Display
Min
|
Display
Max
|
Display
Unit
|
Resolution
|
Accuracy
|
|
10A
|
000.0
|
999.9
|
μΩ
|
0.1μΩ
|
±0.2%±0.2μΩ
|
|
|
1.0000
|
9.9999
|
mΩ
|
0.1μΩ
|
±0.2%±0.2μΩ
|
|
|
10.000
|
99.999
|
mΩ
|
1μΩ
|
±0.2%±2μΩ
|
|
|
100.00
|
250.00
|
mΩ
|
10μΩ
|
±0.2%±20μΩ
|
|
5A
|
000.0
|
999.9
|
μΩ
|
0.1μΩ
|
±0.2%±0.4μΩ
|
|
|
1.0000
|
9.9999
|
mΩ
|
0.1μΩ
|
±0.2%±0.4μΩ
|
|
|
10.000
|
99.999
|
mΩ
|
1μΩ
|
±0.2%±4μΩ
|
|
|
100.00
|
999.99
|
mΩ
|
10μΩ
|
±0.2%±40μΩ
|
|
1A
|
00.000
|
99.999
|
mΩ
|
1μΩ
|
±0.2%±2μΩ
|
|
|
100.00
|
999.99
|
mΩ
|
10μΩ
|
±0.2%±20μΩ
|
|
|
1,000.0
|
5,000.0
|
mΩ
|
100μΩ
|
±0.2%±200μΩ
|
|
100mA
|
000.0
|
999.9
|
mΩ
|
10μΩ
|
±0.2%±20μΩ
|
|
|
1,000.0
|
9,999.9
|
mΩ
|
100μΩ
|
±0.2%±200μΩ
|
|
|
10,000
|
50,000
|
mΩ
|
1mΩ
|
±0.2%±2mΩ
|
|
10mA
|
000.0
|
9.9999
|
Ω
|
100μΩ
|
±0.2%±200μΩ
|
|
|
10.000
|
99.999
|
Ω
|
1mΩ
|
±0.2%±2mΩ
|
|
|
100.00
|
500.00
|
Ω
|
10mΩ
|
±0.2%±20mΩ
|
|
1mA
|
00.000
|
99.999
|
Ω
|
1mΩ
|
±0.2%±2mΩ
|
|
|
100.00
|
999.99
|
Ω
|
10mΩ
|
±0.2%±20mΩ
|
|
|
1,000.0
|
5,000.0
|
Ω
|
100mΩ
|
±0.2%±200mΩ
|
NOTE: stated accuracy for bi-directional current mode
|
|
BATTERIES
|
Rechargeable Li-Ion, 3.7Vdc, 3400 mAh, protected (Qty=4)
Charge time: 4 hours
|
|
AUTO POWER DOWN
|
Programmable: 30 sec, 1 min, 3 min
|
|
DISPLAY
|
Backlit LCD screen (128 x 64 pixels); viewable in bright sunlight and low-light
|
|
TEMPERATURE
|
Operating: -10°C to +50°C (+15°F to +122°F)
Storage: -30°C to +70°C (-22°F to +158°F)
|
|
HUMIDITY
|
90% RH @ 40°C (104°F) non-condensing
|
|
ALTITUDE
|
2,000 m (6,562 ft) to full safety specifications
|
|
SAFETY
|
Designed to meet IEC 61010 (1995), UL 61010-a, and CSA-C22.2 standards
|
|
CABLES
|
15 ft (4.57 m) cable set with alligator clamps, power cable, cable bag
|
|
OPTIONS
|
30 ft (9.14 m) cable set, 10 ft (3m) hand probe (5A), 10 ft (3m) hand probe (10A), pistol grip probe (10A), shipping case
|
|
WARRANTY
|
One year on parts and labor
|
|
Specifications are valid at nominal voltage and ambient temperature of +25?C (+77?F).
|
|
