Specifications; Important; For Your Safety - GB GMT-319 Manuel D'utilisation

GMT-319 manual 7.08.qxp

2. Specifications

Ranges: 19 measuring ranges
DC Voltage: 2.5 -10-50-250-1000 Volts
AC Voltage: 10-50-250-1000 Volts
DC Current: 5-50-500 milliAmps (fused)
10 Amps on a separate jack (fused)
Resistance (Ohms): Rx1 (resistance indicated multiplied by 1)
Rx10 (resistance indicated multiplied by 10)
Rx1K (resistance indicated multiplied by 1000)
10 Megohm Max
Continuity Buzzer: For audible continuity checks. Buzzer sounds at
less than 100 ohms.
Decibels: -8db to +62db on AC voltage ranges
Accuracy: DC voltage, Amps = ±4% full scale of range
AC voltage =± 5% full scale of range
Resistance = ±4° arc of scale length
Battery Test: 1.5 volt and 9 volt batteries
Sensitivity: 20,000 ohms per volt DC and 8000 ohms per volt AC
Function/Range Switch: 7 Functions, 20 Positions, 19 Measuring Ranges
Zero Ohms Located on the front left side of the housing.
Adjustment dial: Adjustment Dial is used to zero the needle indicator
on the ohms scale while shorting the test leads together.
Mechanical Zero Located directly below the center of the scale.
Adjustment Screw: Used to align needle on the zero settings for
accurate readings.
Mirrored Scale Plate: The mirror on the scale plate is used to line up the
needle with its reflection to improve the reading
accuracy by preventing parallax error.
Recessed Input Jacks: Negative (-) input jack for black test lead, positive (+)
input jack for red test lead. Separate jack for 10
Amp range.
Fuse Type: F500mA H, 250V, GB GF-0306
Power Source: Two 1.5V AAA (non-rechargeable) batteries
Test Lead Type: ETL, cETL, CE, CAT II 1000V, 10A
Size (L x W x H): approx 149mm x 97mm x 43mm
Weight: approx 250g (including batteries)
Agency Approvals: ETL, cETL, CE, CAT II 1000V
Operating Temperature: 64°F - 77°F (18°C - 25°C)
Note: Accuracy is given for one year, at 23°C ± 2° RH<60%
This multimeter was designed to be safe at least under the following conditions:
Indoor Use
Altitude: up to 2000m
Pollution Degree: 2
Ingress Protection Degree: IP20

Important:

Read this operators manual thoroughly before
using this multimeter. This manual is intended
to provide basic information regarding this
multimeter and to describe common test
procedures which can be made with this unit.
Many types of appliance, machinery and
other electrical circuit measurements are
not addressed in this manual and should
be handled by experienced service
technicians.
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WARNING
!
using this multimeter. Improper use of
this meter can result in severe damage to
property, severe personal injury or death.
Follow all instructions and suggestions in
this operators manual as well as normal
electrical safety precautions. Do not use
this multimeter if you are unfamiliar with
electrical circuits and proper test procedures.

2.1 For Your Safety

The marking "
Caution, risk of electric shock.
The marking " " on the multimeter represents Caution,
risk of danger, important information, refer to the manual.
In order to find out the nature of the potential HAZARD
and any actions which have to be taken consult the
manual in all cases where " " is marked.
The marking " " on the multimeter represents
Functional earth terminal.
The marking "
Equipment protected throughout by DOUBLE
INSULATION or REINFORCED INSULATION.
Measurement category II is for measurements
performed on circuits directly connected to the low
voltage installation. Examples are measurements
on household appliances, portable tools and
similar equipment.
1)Use extreme caution when checking
electrical circuits.
2)
WARNING
!
work areas when working with electricity.
Wear rubber-soled boots or shoes.
3)
WARNING
!
Use extreme caution when
" on the multimeter represents
" on the multimeter represents
Do not stand in wet or damp
Do not apply more voltage
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