Textron HDE Bradford White DDPM-40 Manual de instrucciones

Operating & nstruction Manual

DUAL DISPLAY

PHASING VOLTMETER

DOUBLE VISION

and ACCESSORIES

1475 Lakeside Drive • Waukegan, llinois 60085 U.S.A. • 847.473.4980

fax 847.473.4981 • website: www.HDElectricCompany.com

MPORTANT SAFETY NFORMAT ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

GENERAL DESCR PT ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

TECHN CAL SPEC F CAT ONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

OPERAT NG NSTRUCT ONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10

Pre-Use nspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Voltage Measurements: Line-to-Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Voltage and Phasing Measurements: Line-to-Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

Test Point Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Peak Hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

PROBES AND ACCESSOR ES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Proof Tester® Voltmeter Tester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

CARE AND MA NTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

REPA RS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

CAL BRAT ON AND MA NTENANCE LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-14

WARRANTY AND L AB L TY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Operating & nstruction Manual

VOLTMETER/PHASER

and ACCESSORIES

MPORTANT SAFETY NFORMAT ON

Read and understand these instructions prior to use. These operatin instructions

are not a substitute for proper trainin in the use of this equipment. High voltage

systems present serious hazards, including the risk of death or serious injury due to arcing,

thermal burns and electrocution. HD Electric Company products are intended solely for

use by professionals with knowledge, training and experience in the use of the equipment

and its accessories in and around high voltage systems.

All applicable federal, state, company and OSHA work practices

must be followed. f you are unfamiliar with the work practices

required, DO NOT PROCEED. Call HD Electric Company if you

have any questions regarding this equipment.

THESE IMPORTANT LABELS ARE AFFIXED TO

THE PRODUCT. READ AND UNDERSTAND EACH

OF THEM BEFORE PROCEEDING.

All meters require the use of accessory

hotsticks, which may or may not be

supplied with the meter. The minimum

hotstick length required for safe use depends

upon the particular operation; consult federal,

state, company and OSHA specifications for the

proper hotstick length for the intended operation.

The users of this meter should always be equipped with personal protective equipment

including high voltage gloves, flame retardant clothing, eye and face protection. Some

applications may require additional protective equipment.

Accessory probes are available for all meters. Always use the proper probe(s) for your

application.

Failure to follow these and other warnings and safety precautions may result in severe

injury or death.

OPERATIONAL IMPAIRMENT

f the DDPM is used in a manner not described in this instruction manual, the

protection and effective operation of this equipment may be impaired.

GENERAL DESCR PT ON

The HD Electric Dual Display Phasing Voltmeter includes a pair of single stick line

to ground voltmeters that communicate with each other wirelessly. Both units are

constructed with high strength molded housings with epoxy encapsulated high

voltage resistors, a ground cord and a digital LED display.

The high voltage resistors limit

the current through the ground

cord to a maximum of less than

one milliamp. Although the ground

cords are insulated for voltage up

to 20kV, they should always be

kept free and clear from you and

any other conductors.

Hotstick Connection:

Shot un or Universal Spline

TECHN CAL SPEC F CAT ONS

MODEL NUMBER: DDPM-40

ENVIRONMENTAL CONDITIONS

• Conditions - ndoor and outdoor use

• Altitude - Up to 6,566 ft. (2000M)

• Operating Temperature -20°F to +120°F (-29°C to +49°C)

• Humidity - 95% to 49°C (non-condensing)

• Pollution Degree - PD4

• Measurement Category V – Classification Rating (CAT V) – Product is intended

for use with test and measuring circuits connected to the circuits/wiring outside

of a building installation, including transmission lines.

• Overvoltage Category V

• Enclosure Material - Supertough Nylon UL 94-HB

• Printed Circuit Boards - FR-4 UL94V-0

• EC Protection Rating - P64

DIMENSIONS:

• Length 14 in. (36cm), Width 4.6 in. (12cm), Height 4.1 in. (10cm)

• Connecting Cord Length - 12’(3.6m) fully extended, 3.5’(1.7m) retracted

• Diameter of Fiberglass - 1” (2.54cm)

• Weight - (w/o probes): 2.25 lbs. (1.02kg) each unit

• Battery Life - 8 hours continuous use under normal operating conditions

• Battery - 9V alkaline 1604A, EC 6LR61 or 9V lithium, ANS -1604LC

• Digital Meter - Reads in kilovolts

• Voltage Range - 5V-25kV each unit line to ground.

ndicates up to 43kV line to line, AC 25-1000Hz or DC

• Auto-Ranging - No range selector switch

• Accuracy - Within 1% of reading +/- 3 counts

(line-to-ground & line-to-line measurements)

• Meter Resolution: 0.005 - 0.999 range with 1 Volt resolution

1.00 - 9.99 range with 10 Volt resolution

10.0 - 25.0 range with 100 Volt resolution

OPERAT NG NSTRUCT ONS

The DDPM-40 Dual Display Phasing Voltmeter

measures DC and AC RMS voltage from 5V

to 25kV line to ground and 43kV line to line

and from 25-1000Hz.

Press the ON button on both units to turn

them on. The initial zero kV indication will

be replaced shortly with the display of

hollow zeros as a battery saving measure.

A low battery indication in the lower

right corner of the screen indicates

that the battery will need to be replaced

soon. f the battery dies completely,

the display will shut off. The battery

compartments are on the

bottom of each unit. HD Electric

recommends using 9V lithium

batteries but alkaline batteries

may also be used.

Both displays will turn off after

five minutes of a zero display.

BATTERY REPLACEMENT

INSTRUCTIONS

To replace the battery, open

and remove the compartment

on the bottom of the meter

housing. Remove and dispose

of the old battery, replacing it

with a fresh, new 9-volt lithium

or alkaline battery.

Note battery polarity on the

battery compartment. This

compartment cannot be reinserted

if the battery polarity is reversed.

OPERAT NG NSTRUCT ONS continued

Pre-Use Inspection

WARNING: Before using the instrument be sure to test and inspect the equipment

to ensure that it is functioning properly and is in safe, working condition. Failure to do

so may cause serious injury or death and may result in erroneous test measurements.

Before making any high voltage measurements, test and inspect the voltmeter/phaser as follows:

1) Make certain the instrument is clean and dry.

2) nspect the cord for cracked insulation.

3) Be sure that you are using hotsticks of the appropriate length, and examine each

hotstick to ensure that it is clean, dry and waxed to a clear shiny surface.

4) Attach the appropriate probes for overhead or underground applications

(see page 11) and ensure that the probes are properly installed and tightened

(do not overtighten).

5) Confirm that the meter is configured for the correct application (normal reading,

Peak Hold, Test Point).

6) Test each voltmeter with a voltmeter tester such as the HD Electric PT-5000B Proof

Tester® Voltmeter Tester (see page 11).

Volta e and Phasin Measurements – Line-to-Ground

First connect the ground cord to either a ground or system neutral. Maintain contact with

the meter probe tip only long enough to read the meter. Always remove the probe from

the energized source first before removing the ground connection.

Volta e and Phasin Measurements – Line-to-Line

We recommend that two person crews perform all line-to-line voltage measurements

and phasing operations. Since the operation is occurring near two energized conductors,

the use of two person crews allows each person to operate one meter stick and maintain

high safety standards.

n order to make line-to-line measurements, each meter must contact an energized

line. Be sure that only those probes intended for the particular application are used

(see page 11). Always keep the ground cord free and clear of energized phases

and conductors. For phasing applications, the meters will be placed on opposite sides

of an open point, typically a switch. The phasing operation will indicate if two sides

of a line are in-phase before closing a switch. f the two phases are out of phase, the meter

will indicate which is leading and which is lagging.

To check all phases proceed as follows:

1) Measure voltage on each phase from line-to-ground to verify all phases

are live and at the same voltage.

2) Place one of the probes on a conductor on one side of the switch.

3) Place the other probe on one of the three phases on the other side of the switch.

4) f the conductors are out-of-phase, the meter will read line-to-line voltage.

f they are in-phase, the meter will read near zero but may read up to 15%

of the line-to-line voltage.

5) Continue this procedure with all three phases on both sides of the switch.

f an intermediate reading is found, the phasing cannot be determined by this method

and the switch should not be closed until other means are used for phasing.

When the meters are first

applied to voltage, they both

measure line to ground

voltage. This is indicated

in the displays by L-G.

After a few seconds, both

meters will show line to line

voltage, indicated in the

displays by L-L.

f they are out of phase, one

meter will show REF indicating

it is the reference phase and

the other meter will show the

phase angle. Here, the +120°

indicates it is leading the

reference phase by 120°.

And here the -120° shows this

meter lagging the reference

phase by 120°.

f the two meters are in phase,

the line to line voltage will be

near zero and one meter will

again show REF while the other

phase indication will show N.

OPERAT NG NSTRUCT ONS continued

When the meters are first turned on, look for the two circles in the lower right corner.

When they are bouncing back and forth, the two meters are wirelessly connected.

OPERAT NG NSTRUCT ONS continued

Test Point Measurements

To activate Test Point mode simply push the ON

button again. Test Point mode is indicated by TP

in the display. To turn Test Point mode off, simply

push the ON button once and verify the TP turns

off. When using a DDPM to phase between

test points, the important measurement is whether high voltage is present or not.

The proper procedure for phasing between elbow test points is as follows:

1) Both elbows must be energized. Follow the proper safety practices for removing the

test point protective caps and exposing the live test points. Treat all exposed electrodes

as energized high voltage. Measure from both elbow test points to ground. These

measurements should show that both elbows are energized and, if both elbows are of

the same type and manufacture, should measure the same approximate line voltage.

2) Measure from one elbow test point to the other. This reading will show either a

high voltage reading indicating the elbows are out-of-phase or a zero or low voltage

reading indicating the elbows are connected to the same phase. The out-of-phase

measurement will likely not show the higher voltage expected from a phase-to-phase

measurement but will be closer to the line-to-ground voltage. The in-phase voltage

measurement can be between zero and 15% of the nominal line-to-ground voltage. f

both elbows are of different type and manufacture, then the reading may be higher.

Peak Hold

Press the ON button to activate this

feature and once again to clear the

reading. The H in the display confirms

Peak Hold. The display will hold the

highest reading while Peak Hold is

activated. NOTE: The meter will not shut

off while a peak reading is displayed.

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