Omega HHM599 User guide

OMEGA

HHM599

Digital Trms Clamp-On Meter

omega. com

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

For immediate technical or application assistance:

Servicing North America:

SM

SM

Servicing Europe:

TM

Internet e-mail

[email protected]

Tel: (95) 800-TC-OMEGA

FAX: [phone]

SM

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. Use caution when working above 60V dc or 30V ac rms. Such voltages pose
a shock hazard.

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

4. Measuring voltage which exceeds the limits of the clampmeter may damage
the meter and expose the operator to a shock hazard. Always recognize the
meter voltage limits as stated on the front of the meter.

5. If the equipment is used in a manner not specified by the manufacturer, the
protection provided the equipment may be impaired.

1

SPECIFICATIONS

Display: 3¾ digit (4000 counts), 9999counts (Frequency mode), 40 segments

analog bar graph and function units sign annunciators.

Polarity: Automatic, positive implied, negative polarity indication.
Overrange: "4000"or"-4000" Most Significant Digit blinks.
Low battery indication: the " " is displayed when the battery voltage drops

below the operating level.

Measurement rate: 2/sec,nominal. 1/sec, Capacitance and Frequency mode.

20/sec, Analog display.

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.

Auto Power off: 30minutes after rotary switch or mode changes.
Clamp jaw: According to EN61010-2-032 CAT IV 600V.
Power: single standard 9-volt battery.
Battery life: 150 hours typical.
Dimensions: 250mm (H) x 100mm (W) x 46mm (D).
Weight: Approx. 380g including battery.
Accessories: One pair test leads, 9V battery.

2

DC VOLTS

Ranges: 400mV,4V,40V,400V,600V
Resolution: 100µV
Accuracy: ±(0.25%rdg + 1dgt) on 400mV to 400V ranges

±(0.25%rdg + 3dgts) on 600V range

Input impedance: >10MW
Overload protection: 600VDC or AC rms

AC VOLTS (True RMS) (50Hz-500Hz)

Ranges: 4V,40V,400V,600V
Resolution: 1mV
Accuracy: ±(0.75%rdg + 4dgts) on 50-60Hz

±(2.0%rdg + 4dgts) on 40-500Hz

Input impedance: >10MW
Effect Reading: 100 - 3999
Overload protection: 600VDC or 600VAC rms

RESISTANCE

Ranges: 400W ,4KW ,40KW ,400KW ,4000KW ,40MW
Accuracy: ±(0.3%rdg + 5dgts) on 400W range

±(0.3%rdg + 1dgt) on 4KW to 400KW ranges
±(0.5%rdg + 1dgt) on 4000KW range
±(2.0%rdg + 4dgts) on 40MW range

Open circuit volts: 0.4Vdc
Overload protection: 600VDC or AC rms

3

CONTINUITY

Audible indication: less than 40W±20W
Overload protection: 600VDC or AC rms

DIODE TEST

Test current: 1.0mA±0.6mA
Accuracy: ±(3.0%rdg + 3dgts)
Open circuit volts: 3.0Vdc typical
Overload protection: 600VDC or AC rms

FREQUENCY (Autoranging)

Ranges: 100Hz,1KHz,10KHz,100KHz,500KHz
Resolution: 0.01Hz
Accuracy: ±(0.1%rdg + 2dgts)
Sensitivity: 2.0Vrms min
Effect reading: 10-9999
Overload protection: 600VDC or AC rms

CAPACITANCE

Ranges: 4nF,40nF,400nF,4µF,40µF
Accuracy: ±(3.0%rdg + 20dgts) on 4n Frange(use DZERO)

±(3.0%rdg + 4dgts) on 40nF to 20µF ranges
±(6.0%rdg + 4dgts) above 20µF

Overload protection: 600VDC or AC rms

4

DC CURRENT (Put conductor at the center of the jaws)

Ranges: 400A,700A
Resolution: 100mA
Accuracy: ±(1.5%rdg + 5dgts)

*700A to 1200A: ±(2.0%rdg + 5dgts)

Overload protection: 1200Adc max. for 1 minute

AC CURRENT (True RMS) (40Hz-500Hz) (Put conductor at the center
of the jaws)

Ranges: 400A,700A
Resolution: 100mA
Accuracy: ±(1.75%rdg + 5dgts) on 50Hz-60Hz

±(3.5%rdg + 5dgts) on 40Hz-500Hz
*700A to 1000A(50Hz/60Hz): ±(2.5%rdg + 5dgts)
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.

H Button

Press " H " button to toggle in and out of the Data Hold mode, except if you
are already in the MIN MAX Recording mode.
In the Data Hold mode, the "HOLD" annunciator is displayed and the last
reading is held on the display, the beeper emits a tone. Pressing (MIN / MAX)
button when you are in the Data Hold mode causes you to exit Data Hold and
enter the MIN MAX Recording mode.
In the MIN MAX Recording mode, press (HOLD) button to stop the recording
of readings, press (HOLD) again to resume recording.

PEAK HOLD Button: (only AC current ranges 40-60Hz)

Press "PEAK" button two times to toggle in and out of PEAK Hold mode. In the
PEAK Hold mode, the "HOLD P " annunciator is displayed. {Accuracy:
±[10%(readind - residual offset)+10dgts], effect reading: 80~4000}

6

MIN / MAX button

Press (MIN / MAX) button to enter the MIN MAX Recording mode. The
minimum, maximum values are then reset to the present input, the readings
are stored in memory, and the "HOLD" annunciator turns on. Push the button
to cycle through the minimum (MIN), maximum (MAX), and present readings.
The MIN or MAX annunciator turns on to indicate what value is being
displayed.
In the MIN MAX Recording mode, press (HOLD) button to stop the recording
of readings, press again to restart recording. If recording is stopped, the
minimum, maximum, or present values and analog diaplay are frozen. In the
MIN MAX Recording mode, when a new minimum value is exceed the actual
minimum readings or a new maximum value is overload, the minimum or
maximum value will held on the display, but the analog display continues to be
active.
AC current ranges without MIN/MAX function.

DD

DZERO Button

DD

DD

Press (

DZERO) button to enter the Relative mode, the "

DD

turn on, zero the display, and store the displayed reading as a reference value.
Press and hold down the (
mode.

DD

DZERO) button for 2 seconds to exit the relative

DD

7

DD

DZERO" annunciator

DD

RANGE Button

Press (RANGE) button to select the Manual Range mode and turn off the
"AUTO" annunciator. (The meter remains in the range it was in when manual
ranging was selected).
In the Manual Range mode. each time you press (RANGE) button, the range
(and the input range annunciator) increments, and a new value is displayed.
To exit the Manual Range mode and return to autoranging, press and hold
down (RANGE) button for 2 seconds. The "AUTO" annunciator turns back on.

Voltage Measurements

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

jack.

2. Set the Function/Range switch to the desired voltage range (AC or DC). The

meter will automatically select the best voltage range.

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

4. For dc, a (-) sign is displayed for negative polarity; positive polarity is implied.

Current Measurements

1. Set the Function/Range switch to the desired highest 700A range (AC or

DC). In DC current measurement use

magnetic of the jaws.

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

conductor be placed at the center of the closed jaws for maximum accuracy.

3. When the reading is lower than 400 counts, set the range switch to the next

lower range position. For maximum accuracy, select the lower range

possible without overranging the meter.

DD

DZERO button, offset the residual

DD

8

Resistance Measurements

1. Set the Function/Range switch to the resistance range.

2. Remove power from the equipment under test.

3. Connect the red test lead to the " + " 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.

WARNING

The accuracy of the functions might be slightly affected, when exposed to

a radiated electromagnetic field environment, eg, radio, telephone or

similar.

Continuity Measurements

1. Set the Function/Range switch to the " " position.

2. Remove power from the equipment under test.

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

jack.

4. Touch the probes to the test points. the beeper sounds continuously, if the

resistance is less than 40W .

9

Diode Tests

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

jack.

2. Set the Function/Range switch to the "

3. Turn off power to the circuit under test.

4. Touch probes to the diode. A forward-voltage drop is about 0.6V (typical for

a silicon diode).

5. Reverse probes. If the diode is good, "4000" is displayed. If the diode is

shorted, ".000" or another number is displayed.

6. If the diode is open, "4000" is displayed in both directions.

" position.

Frequency Measurements

1. Set the Function/Range switch to the Hz position.

2. Connect the red test lead to the " + " jack and the black test lead to the "COM"

jack.

3. Connect the test leads to the point of measurement and read the frequency

from the display.

Capacitance Measurements

1. Set the Function/Range switch to the " " range.

2. Connect the test leads to the " + " jack and the black test lead to the "COM"

jack.

3. Connect the red test lead to the capacitor and read the eapacitance dircetly

from the display.

10

MAINTENANCE

WARNING

Remove test leads before changing battery

or performing any servicing.

Battery Replacement

Power is supplied by a 9 volt "transistor" battery. (NEDA 1604, IEC 6F22). The
" " appears on the LCD display when replacement is needed. To replace the
battery, remove the two screws from the back of the meter and lift off the
battery cover. Remove the battery from battery contacts.

Cleaning

Periodically wipe the case with a damp cloth and detergent, do not use
abrasives or solvents.

11

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in mater ials and workmanship for a period of 13 months
from date of purchase. OMEGA Warranty adds an additional one (1) month grace period to the normal one (1) year product
warranty to cover handling and shipping time. This ensures that OMEGA's customers receive maximum cover age on each product.If
the unit should malfunction, it must be returned to the factory for evaluation. OMEGA's Customer Service Department will issue an
Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to
be defective it will be repaired or replaced at no charge. OMEGA's W ARRANTY does not apply to defects resulting from any action
of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair,
or unauthorized modification. This WARRANTY is V OID if the unit shows evidence of ha ving been tampered with or shows evidence
of being damaged as a result of excessive corrosion; or current, heat moisture or vibration; improper specification; misapplication;
misuse or other operating conditions outside of OMEGA's control. Components which wear are not warranted, including but not
limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However , OMEGA neither assumes responsibility
for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance
with information provided by OMEGA, either verbal or written. OMEGA warrants only that the par ts manufactured by it
will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND
WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED.
LIMITATION OF LIABILITY: The remedies of purchaser set f orth herein are exclusive and the total liability of OMEGA with
respect to this order, whether based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall
not exceed the purchase price of the component upon which liability is based. In no event shall OMEGA be liable for
consequential, incidental or special damages.

CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a "Basic Component" under 10
CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any
Product(s) be used in or with any nuclear installation or activity, medical application, used on humans, or misused in any way,
OMEGA assumes no responsibility as set forth in our basic WARRANTY / DISCLAIMER language, and additionally, purchaser will
indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product(s) in
such a manner.

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY
PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA'S
CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then
be marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.

FOR WARRANTY RETURNS, please have the follo wing

information available BEFORE contacting OMEGA:

1. P.O. number under which the product was PURCHASED.

2. Model and serial number of the product under warranty , and

3. Repair instructions and/or specific problems relative to the

product.

OMEGA's policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest
in technology and engineering. OMEGA is a registered trademark of OMEGA ENGINEERING, INC. © Copyright 1999 OMEGA ENGINEERING,
INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or reduced to any electronic medium or
machine-readable from, in whole or in part, without prior written consent of OMEGA ENGINEERING, INC.

WARRANTY / DISCLAIMER

RETURN REQUESTS / INQUIRIES

FOR NON-WARRANTY REPAIRS, consult OMEGA for

current repair charges. Have the following information
available BEFORE contacting OMEGA:

1. P.O. number to cover the COST of the repair.

2. Model and serial number of product , and

3. Repair instructions and/or specific problems relative to the
product.

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