MX 20

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3 - OPERATING INSTRUCTIONS3 - OPERATING INSTRUCTIONS

3 - OPERATING INSTRUCTIONS

3.1 - SAFETY PRECAUTIONS3.1 - SAFETY PRECAUTIONS

3.1 - SAFETY PRECAUTIONS

Use of this multimeter implies respect for the usual safety rules

designed to protect the user against electrical hazards and to

protect the instrument against damage resulting from misuse.

The test leads and mains supply lead must be in good condition and

should be changed if there is any evidence of deterioration

(insulation burnt or split etc.). Only the leads supplied with the

instrument are guaranteed to meet safety standards. If necessary

they should be replaced by identical leads.

The maximum values indicated in these specifications should not

under any circumstances be exceeded.

Before opening up the instrument to replace the battery or fuses,

users must check that the test leads are disconnected from all

electrical current sources. Replacement fuses must be of the

same type and rating as the original fuses (see Specifications,

section 2.3).

CautionCaution

Caution

If the display continues to read zero whenIf the display continues to read zero when

If the display continues to read zero when

measuring a non-zero voltage, check the 10Ameasuring a non-zero voltage, check the 10A

measuring a non-zero voltage, check the 10A

fuse immediately (see section 4).fuse immediately (see section 4).

fuse immediately (see section 4).

If the order of magnitude of the quantity being measured is

unknown, begin with the highest range or select autoranging mode.

Disconnect the test leads from the circuit under test before

changing the measurement function. When measuring currents,

the range should not be changed and the leads should not be

plugged in or unplugged without first switching off the current.

Metrix MX 20 User Manual

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