Equus 3300 - Hands-Free DMM (10 MegOhm) Manuel d'utilisateur télécharger pdf

SAFETY PRECAUTIONS/ WARNINGS

•

This Digital Multimeter is intended for INDOOR USE ONLY.

•

Pay close attention to WARNINGS stamped on the front and rear of the

meter's case.These warnings, as well as all warnings and precautions used

through out this manual, must be followed to avoid electric shock and/or per-

sonal injury.

•

The RESPONSIBLE PARTY shall be made aware that, if the equipment is

used in a manner not specified by the manufacturer, the protection provided

by the equipment may be impaired.

To prevent electrical shock and/or damage to the tester or the equipment under

test, observe the following safety precautions:

•

DO NOT apply more than the rated voltage, as marked on the meter,

between terminals or between any terminal and earth ground.

•

Use caution when working above 30V AC rms, 42 V peak, or 60 V DC. Such

voltages pose a shock hazard.

•

To avoid false readings that could lead to possible electric shock or personal

injury, replace the batteries as soon as the low battery indicator displays.

•

Use ONLY those test leads or probes provided with the meter. DO NOT use third-

party test leads or probes.

•

Always inspect the multimeter, test leads and any other accessories for dam-

age prior to every use.If any damage is found, do not use tester until repairs

are done.

•

Always consider electrical and electronic equipment to be ener-gized (live).

Never assume any equipment is de-energized.

•

Never ground yourself when taking electrical measurements.Isolate yourself

from ground by using dry rubber insulating mats to cover all exposed/ground-

ed metal. Stand on rubber mats and wear dry clothing.

SPECIFICATIONS

GENERAL SPECIFICATIONS AND FEATURES

•

3-½ digit LCD display (maximum reading of 2000)

•

Manual range control

•

Automatic negative (-) polarity indication

•

Automatic zero adjustment

•

Over range indicator (except 10 A function). Displays "1" on LCD

•

Low battery indicator. Displays battery symbol on LCD

•

Safety standard:CE EMC/LVD.The meter is up to the standards of IEC1010

Pollution Degree 2, over voltage Category 2 (signifies protection against

transient impulses at the local level mains electrical supply).

•

Equipment marked is protected throughout by Double or Reinforced Insulation.

•

Operating environment:

Temperature - 32° to 104° F. (0° C to 40° C)

Humidity - Less than 80% relative humidity (non-condensing)

Altitude - up to 6562 ft (2000 meters)

•

Storage environment:

Temperature - 4° to 140° F (- 20° to 60° C)

Humidity - Less than 90% relative humidity (non-condensing)

•

Power Supply: One 9-volt (6F22) battery

•

Fuse: 315mA/250V 5X20 mm (Radio Shack, GMA/217 series; #270-1046)

fuse

•

Dimensions:

Height - 5.50 in. (139 mm)

Width - 3.50 in. (89 mm)

Depth - 1.25 in. (32 mm)

•

Weight (including batteries): approximately 5.7 oz (170 g)

ELECTRICAL SPECIFICATIONS

Accuracy of specifications in the following tables are based on an operating

temperature of 64°F to 82°F (18°C to 28°C) and a relative humidity of less than

75%.

Maximum voltage from V ma socket to COM socket is 500V AC/DC;from COM

socket to ground is 300V AC/DC.

DC VOLTS

RESISTANCE (OHMS)

DIODE TEST

DC AMPS

BATTERY TEST

AC VOLTS

TESTING PROCEDURES

A. AC/DC VOLTAGE MEASUREMENT

Range Resolution Accuracy Overload

Protection

200Ω 0.1Ω

±(1% of reading

2KΩ 1Ω

+ 5 digits)

250V DC/AC RMS

20KΩ 10Ω

200KΩ 100Ω

20M Ω 10K Ω ±(2% of reading

+ 5 digits)

Open Circuit Voltage: Approximately 3V

Function Range Resolution Accuracy Overload

Protection

Diode test 1mV 0.5 ~ 0.8V 250V

DC/AC

RMS

Open Circuit Voltage: Approximately 2.8V

Forward Voltage Drop: Approximately 1mA

Range Resolution Accuracy Overload

Protection

2000µA1µA

20mA

10µA

±(1.5% of reading

0.315A/250V fuse

200mA

100µA

+ 5 digits)

10A 10mA ±(2% of reading Non-Protected

+ 5 digits)

Measuring time is equal to or less than 15 seconds and time

interval is equal to or over 15 minutes.

Range Resolution Overload Protection

1.5V

10mV

0.315A/250V fuse

Overload

Range Resolution Accuracy Protection

200V 100mV ±(1.2% of reading

500V DC or AC

500V 1V

+ 10 digits)

Frequency: 40-400Hz

OWNER’S MANUAL

DIGITAL MULTIMETER

MRP #93-0187

Range Resolution Accuracy Overload

Protection

200mV 100µV 230 Vrms

2V 1mV ±(0.8% of reading

20V 10mV

+ 5 digits)

500V DC

200V 100mV or AC

500V 1V ±(0.8% of reading

+ 5 digits

Input impedance: 10MΩ for all ranges.

- 1 - - 2 -

WARNING

To avoid possible electric shock, instrument damage and/or equipment

damage, DO NOT attempt to measure voltages ABOVE 500V AC/DC or

take measurements if the voltage is unknown. 500V AC/DC between the

COM and V jacks is the maximum voltage that this instrument is

designed to measure.The "COM" terminal potential should not exceed

300V AC/DC measured to ground.

1 2

Résumé du contenu

Page 1 - DIGITAL MULTIMETER

SAFETY PRECAUTIONS/ WARNINGS•This Digital Multimeter is intended for INDOOR USE ONLY.•Pay close attention to WARNINGS stamped on the front and rear o

Page 2 - SERVICE PROCEDURES

1. Plug the BLACK test lead into "COM" jack of the multimeter; plug the REDtest lead into the "V" jack.2. Set the meter’s Function

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