ATO-
250™ Operating Procedures
2
4.0 Furnished Test Accessories
The ATO-250
is supplied with a canvas
bag, a power cord, a roll of 2.5-inch-wide
printer paper and one set of 35-foot test
cable with heavy-duty alligator clamps.
Optional heavy-duty, welding-type C-
clamps are also available instead of alligator
clamps.
A heavy duty shipping case is available as
an accessory.
5.0 ATO-250 Specifications
(Refer to the specification list in Table 1.0)
ATO-250 specifications and leading
particulars are listed in Table 1.0.
Table 1.0 ATO-250 Specifications and Leading Particulars
MODEL
ATO-250 (part number VIC-25000-S2)
TYPE
Special-purpose test equipment, portable, 250 Amperes
digital micro-ohm meter
POWER
85 to 132 Vac or 200-240 Vac (selectable), 50/60 Hz
SIZE
(inches)
16.8 wide by 12.6 high by 10.6 deep
WEIGHT
Less than 42 lbs
TEST CURRENT
10 to 250 amperes
READING RANGE
1 micro-ohm to 300 milliohms
ACCURACY
1% reading,
1 count
DISPLAY
LCD
,
4-line by 20-character, backlit
CONTROLS
Keypad: 10 number keys and 6 function keys
COMPUTER INTERFACE
RS-232C
PRINTER
Thermal printer (prints on 2.5 inch-wide thermal paper)
ENVIRONMENT
Operating: 0
C to 55
C; Storage: -40
C to 65
C
FURNISHED
One power cord, one set of 35-foot test cable,
One canvas bag
EXPENDABLES
Paper, thermally sensitive, 2.5 inch wide roll
(VIC part # TP-3)
WARRANTY
One-year warranty on parts and labor;
Post warranty service contracts available
NOTE:
▪THE ABOVE SPECIFICATIONS ARE VALID AT NOMINAL OPERATING VOLTAGE AND AT A TEMPERATURE OF 25
C
(77
F)
▪ATO-250 SPECIFICATIONS MAY BE UPGRADED AND CHANGED WITHOUT PRIOR NOTICE.
