Omega HHM598 Bedienungsanleitung
OMEGA
HHM598
Digital Clamp-On Meter
OMEGAnetSM On-Line Service
http://www.omega.com
Internet e-mail
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
omega.com
TM
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
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
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
France:
9, rue Denis Papin, 78190 Trappes Toll Free in England: 0800-488-488
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.
1
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.Usecautionwhenworkingabove60Vdcor30Vacrms.Suchvoltagespose
a shock hazard.
3. When Using the probes, keep your fingers behind the finger guards on the
probes.
4.Measuringvoltagewhichexceedsthelimitsoftheclampmetermaydamage
themeterandexposetheoperatortoashockhazard.Alwaysrecognizethe
meter voltage limits as stated on the front of the meter.
5.Iftheequipmentisusedinamannernotspecifiedbythemanufacturer,the
protection provided the equipment may be impaired.
2
SPECIFICATIONS
Display:3½digitliquidcrystaldisplay(LCD)withamaximumreadingof1999.
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 III 600V) pollution degree 2.
Clamp jaw: According to EN61010-2-032 CAT IV 600V.
Power: Single standard 9-volt battery.
Battery life: 200 hours typical.
Dimensions: 250mm (H) x 100mm (W) x 46mm (D).
Weight: Approx. 380g including battery.
Accessories: One pair test leads, 9V battery.
3
DC VOLTS
Ranges: 600V
Accuracy: ±(0.5%rdg + 1dgt)
Input impedance: 10MW
Overload protection: 600VDC or AC rms
AC VOLTS (50Hz - 500Hz)
Ranges: 200V,600V
Accuracy: ±(1.2%rdg + 4dgts)
Input impedance: 10MW
Overload protection: 600VDC or AC rms
RESISTANCE
Ranges: 2KW,200KW
Accuracy: ±(1.2%rdg + 1dgt)
Open circuit volts: 0.3Vdc
Overload protection: 600VDC or AC rms
FREQUENCY (Autoranging)
Ranges: 2KHz,20KHz
Accuracy: ±(0.1%rdg + 3dgts)
Sensitivity: 80Vrms min
Overload protection: 600VDC or AC rms
4
CONTINUITY
Audible indication: less than 30Won 2KWrange
Overload protection: 600VDC or AC rms
DIODE TEST
Test current: 1.0mA±0.6mA
Accuracy: ±(6.0%rdg + 3dgts)
Open circuit volts: 3.0Vdc typical
Audible indication: <30mV
Overload protection: 600VDC or AC rms
AC CURRENT (Put conductor at the center of the jaws)
Ranges: 20A,200A,700A
Accuracy: 50-60Hz ±(1.5%rdg + 4dgts)
40-500Hz ±(3.5%rdg + 5dgts)
*700A to 1000A(50Hz-60Hz): ±(2.0%rdg + 4dgts)
Overload protection: 1000Aac max. for 1 minute
5
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.
HButton:
Press" H" button to toggle in and out of DATA Hold mode.IntheDATAHold
mode,the" H "annunciatorisdisplayed.(TheDATAHoldmodemaybeexited
when changing function.)
MAX HOLD Button:
Press"MAX"buttontotoggleinandoutofMAXHoldmode(holdingthehighest
absolute reading). In the MAX Hold mode, the " MAX " annunciator is
displayed.
Current and Hz ranges without MAX HOLD function.
PEAK HOLD Button: (only current ranges 40-60Hz)
Press "PEAK" button to toggle in and out of PEAK Hold mode. In the PEAK
Hold mode, the " P " annunciator is displayed. {Accuracy: ±[10%(readind -
residual offset)+10dgts], effect reading: 80~2000}
6
Voltage Measurements
1.Connecttheredtestleadtothe"V"jackandtheblacktestleadtothe"COM"
jack.
2. Set the Function/Range switch to the desired Voltage type (AC or DC) and
range. 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 highest 700A ac range.
2. Press the trigger to open transformer jaws and clamp onto one conductor
only. Read the current directly on the display. It is recommended that the
conductorbeplacedatthecenteroftheclosedjawsformaximumaccuracy.
3.When the readingislower than 200counts,set the rangeswitchto the next
lower range position. For maximum accuracy, select the lower range
possible without overranging the meter.
Resistance Measurements
1. Set the Function/Range switch to the desired resistance range.
2. Remove power from the equipment under test.
3.Connecttheredtestleadtothe"+"jackandtheblacktestleadtothe"COM"
jack.
4. Touch the probes to the test points. In ohms, the value indicated in the
display is the measured value of resistance.
7
WARNING
The accuracy of the functions might be slightly affected, when exposed to
a radiated electromagnetic field environment, eg, radio, telephone or
similar.
Frequency Measurements
1. Set the Function/Range switch to the Hz position.
2.Connecttheredtestleadtothe"+"jackandtheblacktestleadtothe"COM"
jack.
3.Connect thetest leadstothe pointofmeasurement andread thefrequency
from the display.
Continuity Measurements
1. Set the Function/Range switch to the " 2KW" position.
2. Touch the probes to the test points. the beeper sounds continuously, if the
resistance is less than 30W.
8
Diode Tests
1.Connecttheredtestleadtothe"+"jackandtheblacktestleadtothe"COM"
jack.
2. Set the Function/Range switch to the " " position.
3. Turn off power to the circuit under test.
4.Touchprobestothediode.Aforward-voltage dropis about0.6V (typicalfor
a silicon diode).
5. Reverse probes. If the diode is good, "OL" is displayed. If the diode is
shorted, ".000" or another number is displayed.
6. If the diode is open, "OL" is displayed in both directions.
7.Ifthejunctionismeasuredinacircuitandalowreadingisobtainedwithboth
lead connections, the junction may be shunted by a resistance of less than
1kW. In this case the diode must be disconnected from the circuit for
accurate testing.
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