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Meco PHT4545 User Manual

Ac clamp-on power and harmonics tester
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Certificate of Calibration
We hereby certify that this product has been
calibrated and found to be in accordance
with the applicable SPECIFICATIONS and
STANDARDS.
Accuracies of the standard equipment used in
this calibration are traceable to the National
Standards.
MECO METERS PVT. LTD.
Plot No. EL-60, MIDC Electronic Zone,
TTC Industrial Area, Mahape,
Navi Mumbai - 400710 (INDIA)
Tel : 0091-22-27673311-16, 27673300 (Board)
Fax : 0091-22-27673310, 27673330
E-mail : sales@mecoinst.com
Web : www.mecoinst.com
SR. NO.
:
CHECKED BY :
DATE
:
MODEL NO.
:
EN 61010-2-032
CAT III 600V
Pollution Degree 2
Definition of Symbols :
Caution : Refer to Accompanying Documents
Caution : Risk of Electric Shock
Double Insulation
Over-voltage Category I (CAT I) :
Equipment for connection to circuits in which measurps are taken
to limit the transient over-voltages to an appropriate low level.
Over-voltage Category II (CAT II) :
Energy-consuming equipment to be supplied from the fixed
installation.
Over-voltage Category III (CAT III) :
Equipment in fixed installations.
WARNING :
If the clamp meter is used in a manner Not specified by
the manufacturer, the protection Provided by the clamp
meter may be impaired.
2
®
4545 : 28-09-2012

TABLE OF CONTENTS

I.
FEATURES ........................................................................ 2
II.
PANEL DESCRIPTION ..................................................... 3
III. OPERATING INSTRUCTIONS ......................................... 6
lll.1.
Measurenment of ACA ............................................ 6
lll.1.1. True RMS value of AC Current ................................ 7
lll.1.3. Harmonics of AC Current in Magnitude (V) ............ 8
lll.1.6. Crest Factor(C.F.) .................................................. 10
lll.2. Measurement of AC Voltage ............................................ 11
lll.2.1. True RMS value of AC Voltage ............................. 11
lll.2.4. Harmonics of AC Voltage in Percentage (%) ........ 14
lll.2.5. Total Harmonics Distortion (% THD-F) .................. 14
lll.2.6. Crest Factor (C.F.) ................................................. 15
Reactive Power (VAR, KVAR) ............................... 17
lll.3.3. Phase Angle (u) ..................................................... 18
lll.3.4. Horse Power (H.P) ................................................ 18
lll.3.5. Energy (WH, or KWH) ........................................... 19
lll.4
Quality .................................................................... 20
lll.5
lll.6
Beeper ................................................................... 23
IV. SET THE CT RATIO ........................................................ 24
V.
DISABLE AUTO-POWER-OFF ....................................... 24
Vl. SPECIFICATIONS (23
C±5
0
Vll. BATTERY REPLACEMENT ........................................... 30
Vlll. MAINTENANCE & CLEANING ....................................... 31
AC CLAMP-ON
POWER
AND
HARMONICS
TESTER
MODEL :
PHT4545
USER MANUAL
C) ........................................ 25
0
3
®

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Summary of Contents for Meco PHT4545

  • Page 1: Table Of Contents

    STANDARDS. Accuracies of the standard equipment used in this calibration are traceable to the National Standards. MECO METERS PVT. LTD. Plot No. EL-60, MIDC Electronic Zone, TTC Industrial Area, Mahape, Navi Mumbai - 400710 (INDIA) Tel : 0091-22-27673311-16, 27673300 (Board)

  • Page 2: Features

    1. FEATURES 2. PANEL DESCRIPTION a. Active (W, KW, HP), reactive (VAR, KVAR) and apparent (VA, KVA) power. b. Power factor (PF), phase angle (u), and energy (WH, KWH). c. Non-interrupted AC current harmonic analysis. d. 1 to 99 order of harmonics at 2.0% basic accuracy. e.

  • Page 3: Operating Instructions

    3. OPERATING INSTRUCTIONS 3. 1.1. True RMS value of AC Current 3.1 Measurement of ACA NOTE: 1. Set the rotary switch at the A position. 2. The unit will measure and display signal frequency. If users wish to fixed the frquency 50 or 60, users can hold the t a.

  • Page 4: Lll.1.6. Crest Factor(C.f.)

    3. 1.6. Crest Factor (C.F.) 3.2 Measurement of AC Voltage NOTE : 1. The unit will measure and display signal frequency. If users wish to fixed the frquency at 50 or 60, users can hold the t button when turning on the power. 2.

  • Page 5: Lll.3. Measurement Of Single Phase Ac Power Quality

    3. 2.4. Harmonics of AC Vollage in Percentage (%) c. Press the FUNC button three times. The symbols of “THD” and “%” will be shown in LCD. The total harmonic distortion in percentage with respect to the fundamental frequency (50 or 60 Hz) will be measured and displayed. %THD-F=( (V2 + ...

  • Page 6: Lll.3.3. Phase Angle (U)

    3. 3.3. Phase Angle (u) b. Clamp on one of the wire to the load. The current should flow from the front of the tester to the side of the battery cover. c. Set the rotary switch at the W position. d.

  • Page 7: Measurement Of The Balanced 3 Phase Sequence

    3.5 Measurement of the Balanced 3 Phase Sequence a. Set the rotary switch at the W position b. Connect the black test lead to the voltage L3, and connect the red test lead to L1. c. Clamp on to the wire of L2. The current should flow from the front of the tester to the side of the battery cover.
  • Page 8 AC Current (50 or 60 Hz, Auto Range, True RMS, Crest AC Apparent Power (VA, from 0.000VA to 9999 KVA) Factor < 4, CT=1) Range Resolution Accuracy of Readings (Overload Protection AC 2000A) >20V & >20A <20V or <20A Range Resolution Accuracy of Readings 10.0 - 999.9 VA...
  • Page 9 Indoors Use 7. BATTERY REPLACEMENT When the low battery symbol is displayed on the LCD, Conductor Size : 55mm (approx.), replace the old batteries with two new batteries. 64 x 24mm (bus bar) Battery Type : two 1.5V SUM-3 Display : 4+4 digits LCD Range Selection : Auto...

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