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Tektronix DMM4040

Tektronix DMM4040
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Introduction and Specifications
General Safety Summary 1
1-5
Use caution when working with voltages above 30 V ac rms,
42 V ac peak, or 42 V dc. These voltages pose a shock
hazard.
Use only the replacement fuse(s) specified by the manual.
Use the proper terminals, function, and range for your
measurements.
Do not operate the Meter around explosive gas, vapor, or
dust.
When using probes, keep your fingers behind the finger
guards.
When making electrical connections, connect the common
test lead before connecting the live test lead; when
disconnecting, disconnect the live test lead before
disconnecting the common test lead.
Disconnect circuit power and discharge all high-voltage
capacitors before testing resistance, continuity, diodes, or
capacitance.
Before measuring current, check the Meter's fuses and turn
OFF power to the circuit before connecting the Meter to the
circuit.
When servicing the Meter, use only specified replacement
parts.
To prevent damage to the Meter, do not change the position
of the Front/Rear switch while signals are applied to either
the front or rear input terminals.

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