Omega HHM15 Manuel utilisateur

OMEGA

HHM15

Digital Multimeter

OMEGAnetSM On-Line Service

http://www.omega.com

Internet e-mail

[email protected]

Servicing North America:

USA: ISO 9001 Certified Canada:

One Omega Drive, Box 4047 976 Bergar

Stamford, CT 06907-0047 Laval (Quebec) H7L5A1

Tel: (203) 359-1660 Tel: (514) 856-6928

FAX: (203)359-7700 FAX: (514) 856-6886

e-mail: [email protected] e-mail: [email protected]

omega.com

For immediate technical or application assistance:

USA and Canada: Mexico and Latin America:

Sales Service: 1-800-826-6342 / 1-800-TC-OMEGASM Tel: (95) 800-TC-OMEGASM

Customer Service: 1-800-622-2378 / 1-800-622-BESTSM FAX: (95) 203-359-7807

Engineering Service: 1-800-872-9436 / 1-800-USA-WHENSM En Español: (203) 359-7803

TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA e-mail: [email protected]

Servicing Europe:

Benelux: Germany/Austria:

Postbus 8034, 1180 LA Amstelveen, Daimlerstrasse 26, D-75392

The Netherlands Deckenpfronn, Germany

Tel: (31) 20 6418405 FAX: (31) 20 6434643 Tel: 49 (07056) 3017 FAX: 49 (07056) 8540

Toll Free in Benelux: 06 0993344 Toll Free in Germany: 0800 82 66342

e-mail: [email protected] e-mail: [email protected]

Czech Republic: United Kingdom: ISO 9002 Certified

ul. Rude armady 1868, 733 01 Karvina- One Omega Drive

Hranice, Czech Repubic Riverbend Technology Centre Northbank, Irlam,

Tel: 420 (69) 6311627 FAX: 420 (69) 6311114 Manchester, M44 5EX, England

e-mail: [email protected] Tel: 44 (161) 777-6611 FAX: 44 (161) 777-6622

France:

9, rue Denis Papin, 78190 Trappes Toll Free in England: 0800-488-488

Tel: (33) 130-621-400 FAX: (33)130-699-120 e-mail: [email protected]

Toll Free in France: 0800-4-06342

e-mail: [email protected]

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification

of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct but OMEGA Engineering, Inc. accepts no liability for any errors it contains,

and reserves the right to alter specifications without notice.

WARNING: These products are not designed for use in, and should not be used for, patient connected application.

SAFETY INFORMATION

The following safety information must be observed to insure maximum

personal safety during the operation at this meter:

1. Do not use the meter if the meter or test leads look damaged, or if you

suspect that the meter is not operating properly.

2.Thismeterisnotrecommendedforhighvoltageindustrialuse;forexample,

not for measurements of 440 VAC or 600 VAC industrial power mains. The

unit is intended for use with low energy circuits to 1000VDC or 750VAC or

high energy circuit to 250 VAC or DC. Accidental misuse by connection

across a high voltage, high energy power source when the meter is set up

for mA measurement may be very hazardous.

3. Turn off power to the circuit under test before cutting, unsoldering, or

breaking the circuit. Small amounts of current can be dangerous.

4.Usecautionwhenworkingabove60Vdcor30Vacrms.Suchvoltagespose

a shock hazard.

5. When Using the probes, keep your fingers behind the finger guards on the

probes.

6.Measuring voltagewhichexceedsthelimitsofthemultimetermaydamage

themeterandexposetheoperatortoashockhazard.Alwaysrecognizethe

meter voltage limits as stated on the front of the meter.

7.Ifthe equipmentisused inamanner notspecifiedby themanufacturer,the

protection provided the equipment may be impaired.

SPECIFICATIONS

Display:3¾digitliquidcrystaldisplay(LCD)withamaximumreadingof3999.

Polarity: Automatic, positive implied, negative polarity indication.

Overrange: (OL) or (-OL) is displayed.

Zero: Automatic.

Lowbatteryindication: the" "isdisplayedwhenthebatteryvoltagedrops

below the operating level.

Measurement rate: 2.5 times per second, nominal.

Operating Environment: 0°C to 40°C at < 70% relative humidity.

Storage Temperature: -20°C to 60°C, 0 to 80% R.H. with battery removed

from meter.

Accuracy: Stated accuracy at 23°C ± 5°C, <75% relative humidity.

Safety: According to EN61010-1 protection class II overvoltage category

(CAT II 1000V, CAT III 600V) pollution degree 2.

Power: single standard 9-volt battery.

Battery life: 150 hours typical.

Dimensions: 200mm (H) x 90mm (W) x 40mm (D).

Weight: Approx. 14 oz. (400g) including battery.

Accessories: One pair test leads, One spare fuse installed, 9V battery and

Operating Instructions.

DC VOLTS

Ranges: 400mV,4V,40V,400V,1000V

Resolution: 100µV

Accuracy: ±(0.5%rdg + 1dgt)

Input impedance: 10MW

Overload protection: 500VDC or AC rms on 400mV range

1000VDC or 750VAC rms on all other ranges

AC VOLTS (50Hz - 500Hz)

Ranges: 400mV,4V,40V,400V,750V

Resolution: 100µV

Accuracy: ±(1.0%rdg + 4dgts) on 400mV to 400V ranges

±(2.0%rdg + 4dgts) on 750V range

Input impedance: 10MW

Overload protection: 500VDC or AC rms on 400mV range

1000VDC or 750VAC rms on all other ranges

DC CURRENT

Ranges: 40mA,400mA,10A

Accuracy: ±(1.0%rdg + 1dgt) on mA ranges

±(3.0%rdg + 1dgt) on 10A range

Input protection: 0.5A / 250V fast blow fuse

10A / 600V fast blow ceramic fuse

AC CURRENT (50Hz-500Hz)

Ranges: 40mA,400mA,10A

Accuracy: ±(1.5%rdg + 4dgts) on mA range

±(3.5%rdg + 4dgts) on 10A range

Input protection: 0.5A / 250V fast blow fuse

10A / 600V fast blow ceramic fuse

RESISTANCE

Ranges: 400W,4KW,40KW,400KW,4000KW,40MW,4000MW

Accuracy: ±(0.8%rdg + 4dgts) on 400Wrange

±(0.8%rdg + 2dgts) on 4KWto 4MWranges

±(3.0%rdg + 4dgts) on 40MWrange

±[(5.0%rdg - 20dgts) + 10dgts] on 4000MWrange

Open circuit volts: 0.6Vdc (3.0Vdc on 400Wand 4000MWranges)

Overload protection: 500VDC or AC rms

CONTINUITY

Audible indication: less than 40W±20W

Overload protection: 500VDC or AC rms

DIODE TEST

Test current: 1.0mA ± 0.6mA

Accuracy: ±(3.0%rdg + 3dgts)

Open circuit volts: 3.0Vdc typical

Overload protection: 500VDC or AC rms

CAPACITANCE

Ranges:4nF,40nF,400nF,4µF,400µF

Accuracy: ±(5.0%rdg + 10dgts) on all ranges

±(8.0%rdg + 10dgts) above 100µF

Test frequency: 4nF,40nF ranges 1kHz

400nF, µF ranges 270Hz

400µF range 27Hz

INDUCTANCE

Ranges:4mH,40mH,400mH,4H,40H

Accuracy: ±(5.0% rdg + 20dgts) on 4mH range

±(5.0% rdg + 10dgts) on other ranges

Test frequency: 4mH, 40mH ranges 1kHz

400mH 4H ranges 270Hz

40H range 27Hz

Test conditions: quality factor > 5 in 270Hz

FREQUENCY (Autoranging)

Ranges: 4KHz,40KHz,400KHz,4000KHz

Accuracy: ±(0.1%rdg + 1dgt)

Sensitivity: 1V RMS min

Overload protection: 500VDC or AC rms

LOGIC TEST

Threshold: Logic Hi (2.8 ± 0.8V)

Logic Lo (0.8 ± 0.5V)

Indication: 40 msec beep at logic low

Frequency response: 20MHz

Detectable pulse width: 25nS

Pulse limits: >30% & <70% duty

Overload protection: 500VDC or AC rms

TRANSISTOR hFE

Ranges: 0 - 1000

Base current: 10µAdc approx. (Vce=3.3Vdc)

OPERATION

Before taking any measurements, read the Safety Information Section.

Always examine the instrument for damage, contamination (excessive dirt,

grease, etc.) and defects. Examine the test leads for cracked or frayed

insulation. If any abnormal conditions exist do not attempt to make any

measurements.

Max. Hold Feature

Press "MAX" to toggle in and out of the Maximun Hold mode.(holding the

highest reading.) In the MAX mode, the MAX annunciator is displayed and

maximun reading are stored in display register, If the new reading is higher

than the reading being displayed, the higher reading is transferred to the

display register. A "higher" reading is defined as the reading with the higher

absolute value.

The MAX hold function is also available in the frequency count mode. The

counter autoranging feature is disable when MAX hold is selected.

Voltage Measurements

1. Connect the red test lead to the "VW" jack and the black test lead to the

"COM" jack.

2. Set the Function/Range switch to the desired voltage range and press the

"AC/DC" switch to toggle between the desired voltage type. If magnitude

of voltage is not known, set switch to the highest range and reduce until a

satisfactory reading is obtained.

3. Connect the test leads to the device or circuit being measured.

4.Fordc,a(-)signisdisplayedfornegativepolarity;positivepolarityisimplied.

Current Measurements

1. Set the Function/Range switch to the desired current range and press the

"AC/DC" switch toggle between to the desired current type.

2.Forcurrentmeasurementslessthan400mA,connecttheredtestleadtothe

mA jack and the black test lead to the COM jack.

3.Forcurrentmeasurementsover400mAorgreater,connecttheredtestlead

to the 10A jack and the black test lead to the COM jack.

4. Remove power from the circuit under test and open the normal circuit path

wherethemeasurementistobetaken.Connectthemeterinserieswiththe

circuit.

5.Usecautionwhenmeasuring10ampson10Arangefor60s,pleasewaiting

for 10 minutes for next measurement of 10 amps for safety reason.

Resistance and Continuity Measurements

1.SettheFunction/Rangeswitchtothedesiredresistancerangeorcontinuity

position.

2. Remove power from the equipment under test.

3. Connect the red test lead to the "VW" jack and the black test lead to the

"COM" jack.

4. Touch the probes to the test points. In ohms, the value indicated in the

display is the measured value of resistance. In continuity test, the beeper

sounds continuously, if the resistance is less than 40W±20W.

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