Extech Instruments 382095 Manuale utente

User Manual

Power and Harmonics Analyzer

Model 382095

382095 V4.1 7/06

EN 61010-2-032

CATIII600V

PollutionDegree2

Definition of Symbols:

Caution: Refer to Accompanyi ng D ocuments

Caution: Risk of Electric Shock

Double Insulati on

Over-voltage category III (CAT III): equipment in fixed installations.

WARNING: If the power analyzer is used in a manner not specified by the

manufacturer, the protection provided by the clamp meter may be impaired.

Please read the following instructions before use

1. Do not operate this instrument in wet or d usty environm ents.

2. Do not operate this instrument in the presence of combustible or explosive gas

3. Do not touc h e xposed meta l parts or unused terminals.

4. Consider the use of rub ber gl oves i n operatio n.

5. Do not operate in excess of AC 500V (P hase to Neutral), or AC 600V (Phase to Phase)

6. Do not operate this instrument if it appears to be malfunctioni ng

382095 V4.1 7/06

Table of Contents

FEATURES 5

PANEL DESCRIPTI ON 6

OPERATING INSTRUCTIONS 11

Power Quality of a 3 Phase 4 Wire (3P4W) System 11

Power Quality of a 3 Phase 3 Wire (3P3W) System 12

Power Quality of a Single Phase (1P2W) System 13

Power Quality of a 1 Phase 3 Wire (1P3W) System 14

Measurement of a S ystem with CT or VT 15

Harmonic Analysis of Voltage or Cu rrent 16

Display the Phase Angle of Harmonics 17

Measurement of Maximum Deman d 18

Waveform of Voltage and Current 18

Waveform of Voltage Only 19

Graphic Phase Diagram 19

Phase Sequence of a 3 Phase System 21

Balance and Unbalance 3 Phase (3P3W, 3P4W) Power Sou rce S ystem 21

Balance and Unbalance 3 Phase (3P3W or 3P4W) Load System 22

Transient Capture (Dips, S wells, Outage) 23

Down Load Transient Data 25

Data Logging of Power Data (3P4W, 3P3W, 1P2W, 1P3W) 25

Down Load Po wer Da ta 25

Data Logging of Harmonics 25

Down Load Harmonics Data 26

HARDCOPY of SCREEN 27

READ the SAVED SCREE N 28

SET THE CT AND VT RATIO 29

SET THE TIME INTERVAL FOR MAXIMUM DEMAND 30

SET THE SAMPLING TIME FOR DATA LOGGING 31

SET THE CALENDER CLOCK 32

PROTOCOL OF RS-232C IN TERFACE 33

SPECIFICATIONS 33

BATTERY REPLACEMENT 41

MAINTENANCE & CLEANIN G 41

Nomenclature 42

382095 V4.1 7/06



Support line (781) 890-7440

Technical support: Extension 200; E-mail: [email protected]

Repair & Returns: Extension 210; E-mail: [email protected]

Product specifications subject to change without notice

For the latest version of this User ’s Guide, Software updates, and other

up-to-the-minute product information, visit our website: www.extech.com

Extech Instruments Corporation, 285 Bea r Hill Rd., Waltham, MA 02451

Warranty

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and

workmanship for one year from date of shipment (a six month limited warranty applies to sensors and

cables). If it should become necessary to return the instrument for service during or beyond the warranty

period, contact the Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our

website www.extech.com for contact information. A Return Authorization (RA) number must be issued

before any product is returned to Extech. The sender is responsible for shipping charges, freight, insurance

and proper packaging to prevent damage in transit. This warranty does not apply to defects resulting from

action of the user such as misuse, improper wiring, operation outside of specification, improper

maintenance or repair, or unauthorized modification. Extech specifically disclaims any implied warranties or

merchantability or fitness for a specific purpose and will not be liable for any direct, indirect, incidental or

consequential damages. Extech's total liability is limited to repair or replacement of the product. The

warranty set forth above is inclusive and no other warranty, whether written or oral, is expressed or implied.

Calibration and Repair Services

Extech offers repair and calibration services for the products we sell. Extech also provides NIST

certification for most products. Call the Custome r Service Department for information on calibration

services available for this produc t. E xtech recomme nds that annual calibrations be performed to verify

meter performance and accuracy.

382095 V4.1 7/06

FEATURES

■ Analysis for 3P4W, 3P3W, 1P2W, 1P3W

■ True RMS value (V

123

and I

123

)

■ Active Power (W, KW, MW, GW)

■ Apparent and Reactive Power (KVA, KVAR)

■ Power Factor (P F), Phase Angle (Φ)

■ Energy (WH, KWH, KVARH, PFH)

■ Current measurement f rom 0.1 mA to 1000A, ca pable of anal yzing IT standby power consumption

to the maximum demand of a factory

■ Display of 35 Parameters in One Screen (3P4W)

■ Programmable CT (1 to 600 ) and PT (1 to 3000) Ratios

■ Display of Overlapped Voltage and Current Waveform

■ Maximum Demand (MD KW, MW, KVA, MVA) with Programmable Period

■ Harmonic Analysis (V

123

and I

123

) to the 99

Order

■ Display of 50 Harmonics in one Screen with Waveform

■ Display of Waveform with Peak Values (1024 Samples / Pe riod)

■ Analysis of Total Harm onic Distortion (THD-F)

■ Graphic Phase Diagram with 3 Phase System Parameters

■ Capture 28 Transient Events (Time + Cycles) with Programmable Threshold (%)

■ DIP, SWELL, and OUTAGE are included in transient events.

■ 3 Phase Voltage or Current Unbalanced Ratio (VUR, IUR)

■ 3 Phase Voltage or Current Unbalanced Factor (d0%, d2%)

■ Calculated Unbalanced Current through Neutral Line (In)

■ 512K Memory with Pro grammable Interval (Sampling time from 2 to 6000 seconds, data logging

time from 4.7 hours to 1180 days for 3P4W system)

■ Output of Waveform, Po wer Parameters and Harmonics on Command

■ Large Dot Matrix LCD Display with Backlight

■ Optical Isolated RS-232C Interface

382095 V4.1 7/06

PANEL DESCRIPTION

382095 V4.1 7/06

Panel Description

1. Input Terminal for Neutral Line (Voltage )

2. Voltage Input Terminals for Each Phase (V1 , V2, V3)

3. External DC Input (The AC adapto r must be 600V isolated)

4. Current Input Terminals for Each Phase (I 1, I2, I3)

5. LCD Display

6. Indication of locations where SEC., CT, VT, an d SETUP are displayed in LCD.

7. Buttons

8. RS-232C Window

9. Stand Holder

10. Stand

11. Battery Cover

12. Battery Compartment

Press this button to e xit transient detection mode. Also used to exit the SETUP menu

Press this button to pe rform t ransient detection

Press this button to hold the data displayed in LCD, press again to continue operation.

Press this button to begin th e measurement of harmonics in ma gnitude.

Press this button to select V1, I1, V2, I2, V3, o r I3 for harmonics anal ysis

382095 V4.1 7/06

Press this button for the voltage or current input range

Press to enter the Main Menu (also used t o navigate menu items).

Press this button to increment value by one. Hold the button for t wo seconds or

more to speed u p the increment.

Press this button to decre ment value by one.

In harmonic analysis mode, use these buttons to move the cursor left or right.

Press this button to start data logging. Press it again to stop data logging. The

sampling interval is displayed in the LCD via the SEC indicator.

In the power mode, press this button to display the phase. In th e harmo nic

analysis mode, press this button to display phase angle instead of magnitude.

Press this button to tu rn the back light on. Press it again to turn the back light off.

Press this button to begin me asuring power.

Press this button to displa y the waveforms for voltage and current.

Press this button to displa y the waveform for voltage only

In the power mode, press this button to select the appropriate s ystem (3P4W,

3P3W, 1P2W or 1P3W). In the waveform mode, press to select (V1, I1), (V2, I2),

or (V3, I3).

Press this button to tu rn the power on or off.

382095 V4.1 7/06

Current Probe (100A)

1. Jaw Assembly

2. Trigger

3. Range Selector

4. 6 pin mini DIN connector

NOTE: To choose the 100A current probe, press the SETUP button to select CLAMP. When the

CLAMP is reverse video, press the ▲or ▼button to select 100.

Current Probe (1000A)

1. Jaw Assembly

2. Trigger

3. Range Selector

4. 6 pin mini DIN connector

NOTE: To select the1000A current probe, press the SETUP button to select CLAMP. When the

CLAMP is reverse video, press the ▲or ▼button to select 1000.

(HARMON)

(POWER)

(HARMON)

60A

100A

10A

100A

10A

100A

1000A

382095 V4.1 7/06

Flexible Current Probe (3000A)

NOTE: The flexible current probe has a maximum input of 3000A however the maximum input

current of the 382095 Power and Ha rmonics Analyzer is 1000A.

1. Control Box

2. Output Range Select S witch

3. Flexible Loop

4. Coupling Assembly

NOTE: To select the 3000A flexible current pro be, press the SETUP button to select CLAMP. When

the CLAMP is reverse video, press the ▲or ▼button to select 3000.

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