True rms DMM has many functions
This 4 1/2-digit true rms DMM provides a wide range of functions,
including frequency, capacitance, and temperature. The multimeter has
displays up to 20,000 counts for dc-volt measurements from 200 mV to 1,
000 V and ac-volt measurements from 200 mV to 750 V. Other ranges include
dc and ac amperes from 2 to 10 mA; resistance from 200 ohms to 20
M Ω; capacitance from 200 pF to 40 μF; frequency from 20 to 200
kHz; and temperature from -40 degrees to 2,500 degreesF (-40 degrees
to 1,370 degreesC). Features include 0.5% basic dc accuracy, a min/max
recording/recall mode, 42-segment analog bargraph, zoom mode that
increases sensitivity by a factor of 10, data hold, and compare mode for
go/no-go testing. Furthermore, a REC mode calculates the average of the
highest and lowest readings, and a percent mode displays percent
differences from reference values. Overload protection and automatic power
off are built in. The meter comes complete with test leads, a bead-wire
temperature probe, and snap-on holster, which includes a stand for
benchtop use. ($189–stock.) Extech Instruments, Inc. Waltham, MA
Arpineh Y. Mullaney 617-890-7440 Fax 617-890-7864
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