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The ABCM-44 and ABCM-44B are state of the art current monitors designed for continuous operation during bare-hand work. The ABCM has an adjustable set point (5 presets also available on ABCM-44B) between 1 and 400 microamperes AC or DC. A 90-dB horn sounds an audible warning if this current set point is ever exceeded during use.
The ABCM-44 and ABCM-44B are extremely rugged and dependable current monitors. Designed for operation a variety of weather conditions, the ABCM provides the security needed for bare-hand live-line work.
ABCM 44 |
ABCM 44-B |
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Display Type |
Liquid crystal display w/ heater Digits are 0.75 inches (2 cm) |
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Range |
0-400 microamperes AC or DC 1 microampere resolution |
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Voltage Drop |
Less than 0.5 volts full scale |
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Measurement System |
True RMS within 1% of full scale (400uA) +/- 2 LSD |
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Set point(s) |
Adjustable from 5 to 400 microamperes with a front panel mounted dial |
Controls allow selection of five presets (27, 40, 66, 133, 289 microamperes) or dial adjustable position variable from 5 to 400 microamperes. |
Set point Accuracy |
Within two counts |
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Audible Alarm |
Internal 90dB vibrating horn sounds when current exceeds set point, or when measuring lead is accidentally grounded |
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Power Requirements |
12 or 24 volts D.C., negative ground, draws 0.3 A (0.5 A @ 24V) with horn sounding and 0.06 A under normal operation. |
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Enclosure |
Precision die-cast aluminum case 4.72” (12cm) x 8.66” (22cm) x 3.14” (8cm) with external mounting brackets |
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Weight |
5 Lbs. (2.3kg) |
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Input for test |
UHF coaxial connector |
7 pin Amphenol receptacle with cap |
Input for Power |
Flange mounted 3 pin Amphenol receptacle with cap |
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Test Cable |
30’ (9.1m) shielded coaxial cable provided |
4’ (1.2m) shielded six conductor cable provided |
Power Cable |
4’ (1.2m) three conductor cable provided |
Note: Daily use of this monitor does not eliminate the need to perform periodic over-voltage tests on aerial lift devices. The absolute minimum recommended over-voltage test should be a DC test of 2.1 times the line to ground exposure or an AC test of 1.5 times the line to ground exposure.
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