Two N e w Instruments To Measure C u r r e n t / V o l t a ge Introduced By Amprobe

—Literature Available The new digital clamp-on instruments capable of measuring both DC and AC current and voltage have been introduced by Amprobe Instruments division of Core Industries, Inc. of Lynbrook, N.Y.

Model ACDC1000 measures AC or DC currents and voltages on two ranges up to 999 amperes, or volts in either a "continuous" mode or a "peak" mode for measuring and locking in surges such as motor starting currents. In the continuous mode it can monitor fluctuating variables. It also has an ohmmeter function for measuring resistances up to 1,999 on two ranges. In the peak mode, the ACDC 1000 is peaksensing, RMS-reading. The AC frequency response is 40 to 400 Hz; the response time in the peak mode is 0.08 seconds.

The second unit, model ACDC1001, offers AC and DC current and voltage measuring capability in a continuous mode. Both are autoranging within the selected function. A unique circuit design permits the new units to measure a wide variety of DC inputs from continuous to chopped DC as found in SCR circuits (30 to 300 Hz with duty cycle of 20 to 90 percent).

When measuring AC in the continuous mode, both instruments are average-sensing, RMS-reading.

For additional information on these instruments.

Circle 45 on Reader Service Card

Maritime Reporter Magazine, page 29,  Sep 1985

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