General Description; Instrument Description; Preparing The Instrument; Initial Check - Amprobe GP-2A Manual De Uso

2. GENERAL DESCRIPTIoN

This instrument will grant you accurate and reliable measurements provided that is used
according to the instructions given in this manual. You will enjoy the highest safety thanks to a
development of newest conception assuring double insulation and over voltage category III.

2.1 Instrument Description

• EARTH 2W: two-wire earth resistance measurement.
• EARTH 3W: three-wire earth resistance measurement.
• r : four-wire ground resistivity measurement.

3. PREPARING THE INSTRUMENT

3.1 Initial Check

This instrument was checked both mechanically and electrically prior to shipment. All possible
cares and precautions were taken to let you receive the instrument under perfect conditions.
Notwithstanding we suggest you to check it rapidly to check any damage which may have
occurred during transport. Should it be the case please contact immediately the forwarder or
your dealer.
Your shipping carton should include:
1 GP-2A
4 Ground stakes
1 Test lead set (banana – banana)
1 Alligator clip set
1 Optical USB cable
1 USB driver CD
1 Carrying case
1 User's manual
If any of the items are damaged or missing, return the complete package to
the place of purchase for an exchange.

3.2 Power Supply

The instrument is powered by batteries (refer to paragraph 9.2.2 for further details on model,
number and battery life). The battery charge is displayed on the right top side. The symbol
indicates that batteries are fully charged, while the symbol
and shall be replaced.
To replace/insert batteries follow the instructions indicated under paragraph 8.2.

3.3 Calibration

The instrument complies with the technical specifications reported in this manual and such a
compliance Is guaranteed for one year after purchase date.

3.4 Storage

After a period of storage under extreme environmental conditions exceeding the limits let
the instrument resume normal measuring conditions before using it (see environmental
specifications listed under paragraph 9.3.1). This precaution will grant accurate measurements
without risking to damage the instrument.
indicates that batteries are low
4