HI-3604
ELF Survey Meter
User's Manual
Copyright
Manual #600043B 6/97 $12.50
1992 Holaday Ind. Inc.
©
Revision Record
Manual # 600043
HI-3604 Survey Meter
Revision Description Date
--- Release 8/92
A New LCD 12/92
B Added CE Label 6/97
TABLE OF CONTENTS
1.0 DESCRIPTION ......................... 1
2.0 SPECIFICATIONS ........................ 4
3.0 OPERATION .......................... 11
Start Up ......................... 11
Digital Display ..................... 13
Electric Field/Magnetic Field Mode
Selection ........................ 13
Keypad Inputs ..................... 14
Keypad Matrix ..................... 14
4.0 POWER FREQUENCY FIELDS ............... 19
5.0 EXAMPLE APPLICATIONS ................. 23
Field Strength Measurements ........... 23
Waveform Measurements ............. 26
Frequency Measurements ............. 30
6.0 MAINTENANCE ........................ 31
Battery Replacement ................. 31
7.0 USING THE HI-3616 FIBER OPTIC REMOTE
CONTROL ............................ 33
Turn-on Procedure When Using
the HI-3616 ...................... 33
LIMITED WARRANTY
HOLADAY INDUSTRIES, INC. WARRANTS EACH MODEL HI-3604 ELF
SURVEY METER TO BE FREE FROM DEFECTS IN MATERIAL AND
WORKMANSHIP FOR A PERIOD OF ONE YEAR FROM DATE OF SHIPMENT
TO THE PURCHASER. THIS WARRANTY EXTENDS TO THE ORIGINAL
PURCHASER ONLY AND DOES NOT APPLY TO BATTERIES OR ANY
PRODUCT OR PARTS SUBJECT TO MISUSE, NEGLECT, ACCIDENT,
UNAUTHORIZED SERVICE OR ABNORMAL CONDITIONS OF OPERATION.
IN THE EVENT OF INSTRUMENT FAILURE COVERED BY THIS WARRANTY,
HOLADAY INDUSTRIES, INC. WILL, WITHOUT CHARGE, REPAIR AND
RECALIBRATE THE INSTRUMENT IF RETURNED TO THEIR FACTORY WITHIN
ONE YEAR OF THE ORIGINAL PURCHASE, PROVIDED THAT HOLADAY
INDUSTRIES' EXAMINATION DISCLOSES TO ITS SATISFACTION THAT THE
PRODUCT WAS DEFECTIVE. HOLADAY INDUSTRIES, INC. MAY, AT ITS
OPTION, REPLACE THE PRODUCT IN LIEU OF REPAIR. IF THE DEFECT
WAS CAUSED BY MISUSE, NEGLECT, ACCIDENT, UNAUTHORIZED
SERVICE OR ABNORMAL CONDITIONS OF OPERATIONS, REPAIRS WILL BE
BILLED AT A NOMINAL COST. IN SUCH CASE, AN ESTIMATE WILL BE
PROVIDED BEFORE WORK IS STARTED IF REQUESTED BY THE
PURCHASER.
FOR WARRANTY SERVICE, CONTACT HOLADAY INDUSTRIES, INC.
GIVING FULL DETAILS OF THE FAILURE AND THE SERIAL NUMBER OF THE
INSTRUMENT. YOU WILL THEN BE GIVEN SERVICE INFORMATION OR
SHIPPING INSTRUCTIONS. RETURN THE INSTRUMENT TO THE FACTORY
TRANSPORTATION PREPAID. REPAIRS WILL BE MADE AT THE FACTORY
AND THE INSTRUMENT RETURNED TO YOU TRANSPORTATION PAID.
HOLADAY INDUSTRIES, INC. ASSUMES NO RESPONSIBILITY FOR LOSS OF,
OR DAMAGE TO, PRODUCTS IN TRANSIT.
WARNING
SPECIAL CAUTION IS ADVISED WHEN WORKING IN ENVIRONMENTS
WHERE CONTACT WITH HIGH VOLTAGE OR HIGH CURRENT CIRCUITS OR
APPARATUS IS POSSIBLE. THIS IS PARTICULARLY TRUE WHEN
ATTEMPTING TO OBTAIN ELECTRIC OR MAGNETIC FIELD STRENGTH
MEASUREMENTS IN CONFINED QUARTERS, FOR EXAMPLE INSIDE
CABINETS CONTAINING ELECTRICALLY OPERATED EQUIPMENT, ELECTRIC
POWER SUBSTATIONS OR IN VERY CLOSE PROXIMITY TO THE
CONDUCTORS OF ENERGIZED POWER LINES. ACCIDENTAL CONTACT
WITH OBJECTS OR CIRCUITS OPERATED AT HIGH VOLTAGES OR HIGH
CURRENTS CAN BE LETHAL! HOLADAY INDUSTRIES, INC. ASSUMES NO
LIABILITY FOR DAMAGES OR PERSONAL INJURY WHICH MAY RESULT
FROM ACCIDENTS ARISING OUT OF USE OF THIS EQUIPMENT.
HI-3604 Manual Page -- 1
1.0 DESCRIPTION
The HI-3604 Power Frequency Field Strength Measurement
System is designed to assist in the evaluation of electric and
magnetic fields that are associated with 50/60-Hz electric
power transmission and distribution lines along with electrically
operated equipment and appliances. Direct digital readout of
field strength is provided by the instrument with the ability to
read the meter remotely via a special fiber optic remote control
(Model HI-3616) which is available as an option. The HI-3604
finds applications in research and environmental field studies
where knowledge of the strength of power frequency fields is
required. It is designed to provide engineers, industrial hygienists
and health and safety personnel with a sophisticated tool for the
accurate investigation of power frequency electrical
environments.
The HI-3604 has two switch selectable sensors for measuring
both electric and magnetic fields (see Figure 1-1). The
instruments' capabilities include datalogging, waveform output,
full auto-ranging, and a custom Liquid Crystal Display (LCD)
with a bar graph, as standard features. All selection and control
functions are input from a front panel membrane switch pad.
True RMS detection assures accurate measurements of complex
waveforms. The waveform output jack allows observation and
evaluation of the actual waveform being measured. The
datalogger feature captures up to 112 field readings for later
review using front panel controls. Microprocessor technology is
incorporated in the HI-3604 to provide for automatic range
changing (manual range changing may be selected) and
automatic zeroing of the instrument.
Electric fields are detected by a displacement current sensor
which consists of two thinly separated conductive disks which
are connected together electrically. When immersed in an
electric field, charge is redistributed among the two parallel
disks such that the electric field between the two disks remains
at zero. This redistribution of charge is reflected as a
displacement current which can be measured and subsequently,
Page -- 2 HI-3604 Manual
related to the external electric field strength. This type of
transducer possesses a flat frequency response and permits
accurate measurement of fields having significant harmonic
content with energy at frequencies above the fundamental of 50
or 60-Hz.
Surrounding the circular displacement current sensing disks is a
coil consisting of several hundred turns of fine gage wire. When
placed in an alternating magnetic field, a current is induced in
the coil which is proportional to the strength of the applied
magnetic field. Magnetic field strength is then determined by
measuring the voltage developed across the terminals of the
coil. While an unterminated loop will provide an output which is
directly proportional to the frequency of the magnetic field, the
HI-3604 employs electronic compensation circuitry which
results in a tailored frequency response that is flat in the
frequency range of importance to power frequency
measurements. This feature permits the HI- 3604 to be used in
environments having significant harmonic content and yield
accurate measures of the resultant fields. Broadband response
is required when measuring fields having significant harmonic
distortion such as may occur with electrical machinery.
The outputs of both field transducers are measured with a true
root-mean-square (RMS) detector. True RMS detection offers
accurate evaluation of fields having a variety of waveforms,
including non-sinusoidal waveforms. Thus, whether the field
being measured is produced by a near pure sine wave source,
like an electric power transmission line, or a highly nonsinusoidal source, like a solid state light dimmer, the HI-3604
will yield consistent measures of the RMS field strengths.
HI-3604 Manual Page -- 3
Figure 1-1
HI-3604 ELF Field Strength Measurement System
Page -- 4 HI-3604 Manual
HI-3604 Manual Page -- 5
2.0 SPECIFICATIONS
Sensors:
Concentric plate displacement current electric
field sensors
6.5 inch (16.5 cm) diameter 400 turn
electrically shielded magnetic field sensing coil
Switch selectable between electric and
magnetic fields
Sensitivity:
Electric fields, 1 V/m - 199 kV/m
Magnetic fields, 0.1 mG - 20 G
Features:
All function and range selection changes are
made by use of the membrane switch keypads
on the front panel. Internal electronic range
switching allows full auto-ranging on either the
Electric or Magnetic field functions.
Max-hold feature stores and displays highest
reading
Amplitude Response:
True RMS field strength measurement for
accurate measurement of non-sinusoidal
waveforms
Polarization Response:
Displacement sensor and magnetic field sensor
are designed for response to one field
polarization component at a time
Page -- 6 HI-3604 Manual
Power:
Two (2) nine-volt alkaline batteries (NEDA
1604A, Duracell MN1604, or equal)
Output: Liquid crystal display; preamplifier output via
phono jack (analog signal from
sensor/preamplifier equal to 1 mV/(mA/m);
digital fiber optic signal (for remote reading via
connection to HI-3616 Fiber Optic Remote
Control)
Frequency Response:
HI-3604
Magnetic Field Response
Figure 2-1
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