Handleiding Extech EX330 Multimeter

Handleiding

EX330-en-GB_V5.2 4/15

2

Introduction

Congratulations on your purchase of the Extech EX330 Meter. The EX330 offers AC/DC Voltage,

AC/DC Current, Resistance, Diode, Continuity, non-contact Voltage Detection, Capacitance,

Frequency, Duty Cycle, and Temperature (Type K) functions. Proper use and care of this meter will

provide many years of reliable service.

Safety

This symbol adjacent to another symbol, terminal or operating device indicates

that the operator must refer to an explanation in the Operating Instructions to

avoid personal injury or damage to the meter.

This WARNING symbol indicates a potentially hazardous situation, which if not

avoided, could result in death or serious injury.

This CAUTION symbol indicates a potentially hazardous situation, which if not

avoided, may result damage to the product.

This symbol advises the user that the terminal(s) so marked must not be

connected to a circuit point at which the voltage with respect to earth ground

exceeds 600V.

This symbol adjacent to one or more terminals identifies them as being associated

with ranges that may, in normal use, be subjected to particularly hazardous

voltages. For maximum safety, the meter and its test leads should not be handled

when these terminals are energized.

This symbol indicates that a device is protected throughout by double insulation or

reinforced insulation.

SAFETY INSTRUCTIONS

This meter has been designed for safe use, but must be operated with caution. The rules listed

below must be carefully followed for safe operation.

1. NEVER apply voltage or current to the meter that exceeds the specified maximum:

Input Protection Limits

Function Maximum Input

V DC or V AC 600V AC and DC

mA AC/DC 500mA DC/AC

A AC/DC 10A DC/AC (for 30 seconds max. every 15 minutes

Frequency, Resistance, Capacitance, Duty

Cycle, Diode Test, Continuity

250V DC/AC

Temperature 250V DC/AC

2. USE EXTREME CAUTION when working with high voltages.

3. DO NOT measure voltage if the voltage on the "COM" input jack exceeds 600V above earth

ground.

4. NEVER connect the meter leads across a voltage source while the function switch is in the

current, resistance, or diode mode. Doing so can damage the meter.

5. ALWAYS discharge filter capacitors in power supplies and disconnect the power when making

resistance or diode tests.

6. ALWAYS turn off power and disconnect test leads before opening the covers to replace the fuse

or battery.

7. NEVER operate the meter unless the back cover and the battery and fuse covers are in place

and fastened securely.

8. If the equipment is used in a manner not specified by the manufacturer, the protection provided

by the equipment may be impaired.

WARNING

CAUTION

MAX

600V

Beoordeling

Meer over deze handleiding

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