Isotech IDM101 Bedienungsanleitung

Instruction Manual

IDM101 Digital Multimeter



EN FR IT DE JP

ISO - TECH IDM101

Digital Multimeter

INSTRUCTION MANUAL

1. Safety notes

This meter has been produced to comply with category II requirements under IEC publication 1010-1 "Safety requirements

for electrical equipment for measuring, monitoring and laboratory use".

The present operating manual gives directions which must be followed and points out precautions which must be taken if the

meter is to be used safely and kept in a safe state.

Terms used in the operating manual.

"Important" identifies conditions or operations in which there is a possibility of the multimeter or other equipment being

damaged.

"Warning" identifies conditions or operations in which there is a possible risk of injury or death.

Markings on the unit.

Attention — Follow the operating instructions.

Danger — Dangerous voltages may occur at these connections.

Symbol for double insulation

Symbols in operating manual

This symbol indicates important information.

Fuse

Battery

WARNING : To avoid hazards or the risk of electric shock or of the multimeter being damaged, voltages which may

exceed which may exceed 600Vd.c. or 600Vrms should not be measured. Never apply voltages of more

than 600Vd.c. or 600Vrms to earth to the "COM" input terminal.

Important : To avoid damage to the meter,

– remove the probes from the item being measured before you change the function settings,

– never try to measure voltages which may exceed 600V or 600Vrms,

– and never try to measure voltages when the meter is set to the resistance measuring function (Ω).

Always use the fuses specified.

To avoid the risk of fire, you should only use fuses of the correct types of the voltage and current ratings specified on the

bottom of the meter.

It is strictly forbidden for "repaired" fuses to be used or for the fuse holders to be shorted out.

WARNING: Read this operating manual thoroughly before you use the meter and follow the instructions given in it when

you are using the meter.

Misunderstandings of the warnings given or the operating instructions and errors in following them may cause hazards or

serious injury and/or may result in damage to the meter or other equipment.

2. Introduction

This multimeter is a compact, battery-powered, handheld measuring and testing device for service engineers, industrial use

and amateur electronics engineers and for testing and repairing pieces of equipment. The functions it can perform are as

follows:

Measurement of a.c. and d.c. voltages

Measurement of a.c. and d.c. currents

Measurement of resistance and capacitance

Continuity testing

Diode testing

Frequency and ADP measurement.

Unpacking and checking

When you unpack your new multimeter, the items you should have are these:

1. Digital multimeter

2. Set of test leads (one black and one red)

3. Operating manual

4. Batteries (fitted)

5. Rubber holster.

3. Technical specification

3.1 General specification

This meter has been produced to comply with category II requirements under IEC publication 1010-1 "Safety requirements for

electrical equipment for measuring, monitoring and laboratory use". This standard of safety can only be guaranteed if the

maximum and minimum figures specified in section 2.2 are observed.

Display : 33⁄4 digit 4000 count LCD display with a 42-segment analog bargraph display. Higher resolution of up to 9999 in

frequency range.

Polarity indication : Automatic, positive if nothing indicated, negative indicated

Low battery voltage indication: "" shown if the voltage from the batteries drops below the operating voltage.

Range overrun : Highest digit flashes.

Display update rate Two per second for digital display,

20 per second for bargraph display.

1 per second for frequency measurements.

Automatic power off : Approx. 30 minutes after the function switch was last turned.

3.2 Ambient conditions

Maximum altitude : 2000m

Installation category : IEC1010 1000V category II

600V category III

Pollution degree : 2

Operating temperature : 0 to +50°C, 0 to 80% RH.

Storage temperature : –20 to +60°C, 0 to 80% RH (batteries not fitted)

Temperature coefficient : 0.15 x specified accuracy/°C, <19°C or >28°C

Supply required : Two 1.5V batteries (IEC LR03, AM4 or AAA)

Battery life (alkaline) : Typically 1000 hours

Dimensions (L x B x H(mm)) : 185 x 86 x 32,

with rubber holster: 200 x 98 x 52

Weight (inc. batteries) : 0.37kg

with rubber holster 0.6kg

Accessories : Rubber holster, test leads, batteries (fitted) and operating manual.

3.3 Electrical specification

Accuracy is given as ± (measurement error + display error) and applies at 23°C ± 5°C and less than 80% RH.

Measurement error (%) is given as a percentage of the current measurement.

Display error (D) is given in units equal to the smallest increment able to be shown on the display.

3.3.1 D.c. voltage (Vd.c.)

Range Resolution Accuracy Over Voltage

protection

400mV 0.1µV ±(0.7% + 2D)

600Vd.c. or

600V rms

4V 1mV

40V 10mV

400V 100mV

600V 1V

±(0.5% + 2D)

Input impedance: 10MΩ.

3.3.2 A.c. voltage (Va.c.)

Range Resolution Accuracy Over Voltage

protection

600Vd.c. or

600V rms

4V 1µV ±(1% + 5D)

50 to 60Hz

±(1.5% + 5D)

50 to 60Hz

40V 10µV

400V 100mV

600V 1V

Input impedance: 10MΩin parallel with less than 100pF.

A.c. voltage conversion: Mean measured - r.m.s. value displayed.

3.3.3 D.c. current (Ad.c.)

Range Resolution Accuracy Voltage drop

4mA 1µA

±(0.8% + 2D)

40mA 10µA

400mA 0.1mA

10A 10mA ±(1.5% + 4D) 1V (max.)

800mV (max.)

3.3.4 A.c. current (Aa.c.)

Range Resolution Accuracy Voltage drop

4mA 1µA

±(1.5% + 5D)

40Hz to 1KHz

40mA 10µA

400mA 0.1mA

10A 10mA ±(2.5% + 5D)

40Hz to 1KHz 1V (max.)

800mV (max.)

Overload protection : mA jack: 1A/415V, 32 x 6.35mm quick-acting fuse.

A input terminal : 10A/415V, 32 x 6.35mm quick-acting fuse.

A.c. current conversion : Mean measured - r.m.s. value displayed.

3.3.5 Resistance (Ω)

Range Resolution Accuracy Overload protection

400Ω0.1Ω±(0.7% + 3D)

600Vd.c. or

600V rms

4kΩ1Ω

40kΩ10Ω

400kΩ100Ω

4MΩ1kΩ±(1.0% + 3D)

40MΩ10kΩ±(2.0% + 5D)

±(0.7% + 2D)

Open circuit voltage : 0.4V

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