CyberVisuell LDW-6095K User manual

OPERATION MANUAL
3 Phase Power Analyser /
Data Logger
Model LDW-6095K
Your purchase of this 3 PHASE
POWER ANALYZER marks a step
forward for you into the field
of precision measurement.
Although this POWER ANALYZER
is a complex and delicate
instrument, its durable structure
will allow many years of use if
proper operating techniques are
developed.
Please read the following
instructions carefully and always
keep this manual within easy
reach.

Caution Symbol
Caution :
* Risk of electric shock !
* During the measurement,
do not open the cabinet.
Caution :
* Do not apply the overload
voltage, current to the input
terminal !
* Remove test leads before open
the battery cover !
* Cleaning - Only use the dry
cloth to clean the plastic case !
Environment Conditions
* Installation Categories III 600V.
* Pollution Degree 2.
* Altitude up to 2000 meters.
* Indoor use.
* Relative humidity 80% max.

TABLE OF CONTENTS
1. FEATURES................................................................1
2. SPECIFICATIONS.....................................................
.
2
2-1 General Specifications........................................
.
2
2-2 Electrical Specifications.......................................5
3. FRONT PANEL DESCRIPTION.....................................10
4. MEASURING PREPARATION ......................................13
4-1 The original screen.............................................
.
13
4-2 Entry the measurement Screen............................ 13
4-3 The summary description of keyboard.................. 15
4-4 SETUP KEY description........................................ 16
4-5 Setting function description before measuring....... 17
5. MEASURING PROCEDURES .......................................46
5-1 1Φ2W ( one phase by two wires )
measurement..................................................... 46
5-2 1Φ3W ( one phase by three wires )
measurement..................................................... 47
5-3 3Φ3W ( three phase by three wires )
measurement..................................................... 49
5-4 3Φ4W ( three phase by four wires )
measurement..................................................... 50
5-5 The CT and PT measurement...............................52
5-6 ZERO adjustment for Watt Hour...........................53
5-7 Harmonic Function Measurement ........................
.
54
5-8 Graphic Phasor Diagram...................................... 56
5-9 Voltage/Current Waveform..................................
.
58
5-10 Transient Capture ( Dips, Swells, Outage ).......... 60
5-11 Data Logger function.........................................63
5-12 Data Hold function............................................ 65

5-13 Backlight key....................................................
.
66
5-14 A ( Current ) Range key.....................................66
5-15 LOWBAT screen................................................ 67
5-16 Appendix 1.......................................................
.
68
6. MAINTENANCE......................................................... 69
6-1 Cleaning.............................................................69
6-2 Replacement of batteries .................................... 69
7. RS232 PC SERIAL INTERFACE...................................
.
70
8. Download the saving data from the SD card to
the computer ( EXCEL software ) .............................. 72
9. PATENT...................................................................
.
76
10. THE ADDRESS OF AFTER SERVICE CENTER ............
.
77

1. FEATURES
* Analysis for 3 phase multi-power system, 1P/2W, 1P/3W,
3P/3W, 3P/4W.
* 3 current probes ( LCP-1201 ) are included, if change the
current probes, the calibration procedures are not
necessary.
* Current probe input signal/ranges with selection :
Input signal (ACV) :
200 mV/300 mV/500 mV/1 V/2 V/3 V.
Ranges (ACA) :
20 A/200 A/2000 A/30 A/300 A/ 3000 A.
* Meter can cooperate the universal current probes.
* Complete set with 4 PCs Test Leads, 4 PCs Alligator clips,
3 PCs Clamp Probe ( LCP 1201 ), AC to DC 9V adapter, 2
G SD memory card and Carrying bag.
*Measurement:
V (phase-to-phase), V (phase-to-ground)
A (phase-to-ground)
KW / KVA / KVAR / PF (phase)
KW / KVA / KVAR / PF (system)
KWH / KVAH / KVARH / PFH (system)
Phase angle
* Harmonics display (1-50th order).
* Simultaneous display of Harmonics and Wave form.
* Display of Waveform with Peak Values.
* Analysis of Total Harmonic Distortion ( THD ).
* Graphic Phase diagram with 3-Phase system parameters.
* 3 phase Voltage or Current Unbalanced Ratio ( VUR, AUR )
and Unbalanced Factor.
* Calculated Unbalanced Current through Neutral Line ( An )
* Capture Transient events (including Dip, Swell and
Outage ) with programmable threshold ( % ).
* Programmable CT ratio ( 1 to 600 ) and PT ratio ( 1 to
1000 ).
1

* ACV input impedance is 10 Mega ohms.
* Safety Standard : IEC 1010, CAT III 600V.
* Built-in clock and Calendar, real time data record with SD
memory card , sampling time set from 2 to 7200
seconds. Just slot in the SD card into the computer, it
can down load the all the measured value with the time
information ( year, month, data, hour, minute, second )
to the Excel directly, then user can make the further data
analysis by themselves.
* Powered by AA ( UM-3 ) DC 1.5 V X 8 batteries ( Alkaline
type ) or DC 9V adapter.
* Computer data output, can cooperate with optional USB
Cable/LUSB-01, RS232 cable/LUPCB-02 and Data
Acquisition software.
* Optional current probes : LCP-1201, LCP-2000, LCP-200,
LCP-3000, detail specification.
* User can order the meter only ( without the current
probes ) with the special request as intend to cooperate
their own current probes.
*Patented.
2. SPECIFICATIONS
2-1 General Specifications:
Circuit Custom one-chip of microprocessor LSI
circuit
Display * LCD Size :
81.4 X 61 mm ( 3.2 X 2.4 inch )
* Dot Matrix LCD (320 X 240 pixels )
with back light.
2

Measurement * V (phase-to-phase)
* V (phase-to-ground)
* A (phase-to-ground)
* KW / KVA / KVAR / PF (phase)
KW / KVA / KVAR / PF (system)
KWH / KVAH / KVARH / PFH (system)
* Power factor
* Phase angle
* Frequency
* Harmonics display.
Wire 1P/2W, 1P/3W, 3P/3W, 3P/4W.
connections
Voltage ranges 10 ACV to 600 ACV, auto range.
Current probe * Current probe input signal volage ( ACV ) :
input signal 200mV/300mV/500mV/1V/2V/3V.
and range * Current probe input current range ( ACA ) :
20 A/200A/2000A (1200 A)/30A/300A/3000A
* Meter can cooperate the universal current probe.
Safety IEC1010 CAT III 600 V.
standard
ACV input 10 Mega ohms.
impedance
Range select ACV Auto range.
ACA Manual range.
Clamp 40 Hz to 1 KHz.
frequency
response
Spec. tested 45 to 65 Hz.
frequency
Over load ACV 720 ACV rms
protection ACA 1300 ACA with clamp probe
* For the Clamp ,CP-1201
Over Indicator * LCD display show " OL ".
* The data save into the SD card will show
" 9999 " or " 999 "( overleap the decimal point ).
3

Under Indicator * LCD display show " UR ".
* The data save into the SD card will show
" 9999 " or " 999 "( overleap the decimal point ).
Data Hold Freeze the display reading.
Data Record SD Card Record.
Sampling Time Approx. 1 second.
Power ON/OFF Manual OFF by push button.
Real time * Real time data logger, saved the data
data logger into SD memory card and down load
the all the measured value with the
time information ( year/month/data/
hour/minute/second ) down load
to the Excel
* Integration time for data logger :
2 seconds to 7200 seconds, the during
of setting step are 2 seconds.
Data Output RS232 computer serial interface :
USB/RS232 * Connect the optional USB cable
* Computer LUSB-01 will get the USB plug.
interface * Connect the optional RS232 cable
LUPCB-02 will get the RS232
plug.
Operating 0 to 50 ( 32 to 122 ).℃℉
Temperature
Operating Less than 80% R.H..
Humidity
Power Supply * DC 1.5V, AA ( UM-3 ) Battery X 8 PCs
(Alkaline or heavy-duty battery).
* AC to DC 9V power adapter.
Power * Meter : 270 DCmA.
Consumption * Clamp : 22 DCmA.
Clamp max. 50 mm ( 2.0 inch ) Dia.
conductor Size
* For the Clamp, LCP-1201
4

Weight * Meter : 1010g ( includes batteries )
* Clamp ( includded cable ) : 500g
Dimension Meter :
225 X 125 X 64 mm
( 8.86 X 4.92 X 2.52 inch )
Clamp :
210 X 64 X 33mm
( 8.3 X 2.5 X 1.3 inch )
Clamp Jaw : 86 mm (3.4 inch)- outside
Accessories * Instruction manual.............. 1 PC
Included *
T
est Leads (TL88-4AT)........ 1 Set (4 PCs)
* Alligator clips (TL88-4AC) 1 Set (4 PCs)
* Clamp Probe ( LCP-1201 ).....
.
3 PCs
*
A
C to DC 9V adapter...........
.
1 PC
* SD card ( 2 G )...................
.
1 PC
* Carryin
g
ba
g
....................... 1 PC
Optional * 2000 Amp current probe, LCP-2000
Accessories * 200 Amp current probe, LCP-200
* Flexible 3000 Amp current probe,
LCP-3000
* USB Cable , LUSB-01
* RS232 cable, LUPCB-02
* Data Acquisition software
2-2 Electrical Specifications:
ACV
Range Resolution Accuracy
10.0V to 600.0V 0.1V ± (0.5%+0.5V)
* Phase to neutral line
10.0V to 600.0V
* Phase to phase
5

ACA
Range Resolution Accuracy
20A 0.001A, < 10 A ± (0.5%+0.1A)
0.01A,
10 A≧
200A 0.01A, < 100 A ± (0.5%+0.5A)
0.1A,
100 A≧
1200A 0.1A, < 1000 A ± (0.5%+5A)
1A,
1000 A≧
Power factor
Range Resolution Accuracy
0.00 to 1.00 0.01 ± 0.04
Remark :
* PFH : Long term power factor
* PFΣ:
For 3Φ4W, 3Φ3W
PFΣ= ( PF1 + PF2 + PF3 )/3
For 1Φ3W
PFΣ= ( PF1 + PF2 )/2
Φ( Phase angle )
Range Resolution Accuracy
-180° to 180° 0.1° ± 1° * ACOS ( PF )
Frequency
Range Resolution Accuracy
45 to 65 Hz 0.1 Hz 0.1 Hz
6

Active (Real) Power
Range Resolution Accuracy
0.000 to 9.999 KW *0.001/0.01/0.1 KW ± (1%+0.008KW)
10.00 to 99.99 KW *0.01/0.1 KW ± (1%+0.08KW)
100.0 to 999.9 KW 0.1 KW ±(1%+0.8KW)
1.000 to 9.999 MW 0.001 MW ± (1%+0.008MW)
* : The resolution is changed according the different ACA range.
Apparent Power
Range Resolution Accuracy
0.000 to 9.999 KVA *0.001/0.01/0.1KVA ± (1%+0.008KVA)
10.00 to 99.99 KVA *0.01/0.1 KVA ± (1%+0.08KVA)
100.0 to 999.9 KVA 0.1 KVA ± (1%+0.8KVA)
1.000 to 9.999 MVA 0.001 MVA ± (1%+0.008MVA)
* : The resolution is changed according the different ACA range.
Reactive Power
Range Resolution Accuracy
0.000 to 9.999 KVAR *0.001/0.01/0.1KVAR ± (1%+0.008 KVAR)
10.00 to 99.99 KVAR *0.01/0.1 KVAR ± (1%+0.08 KVAR)
100.0 to 999.9 KVAR 0.1 KVAR ±(1%+0.8KVAR)
1.000 to 9.999 MVAR 0.001 MVAR ± (1%+0.008 MVAR)
* : The resolution is changed according the different ACA range.
Watt Hour ( Active Power Hour) : WH
Range Resolution Accuracy
0.000 to 9.999 KWH 0.001 KWH ± (2%+0.008 KWH)
10.00 to 99.99 KWH 0.01 KWH ± (2%+0.08 KWH)
100.0 to 999.9 KWH 0.1 KWH ±(2%+0.8KWH)
1.000 to 9.999 MWH 0.001 MWH ± (2%+0.008 MWH)
7

VA Hour ( Apparent Power Hour ) : SH
Range Resolution Accuracy
0.000 to 9.999 KVAH 0.001 KVAH ± (2%+0.008 KVAH)
10.00 to 99.99 KVAH 0.01 KVAH ± (2%+0.08 KVAH)
100.0 to 999.9 KVAH 0.1 KVAH ±(2%+0.8KVAH)
1.000 to 9.999 MVAH 0.001 MVAH ± (2%+0.008 MVAH)
VAR Hour ( Reactive Power Hour ) : QH
Range Resolution Accuracy
0.000 to 9.999 KVARH 0.001 KVARH ± (2%+0.008 KVARH)
10.00 to 99.99 KVARH 0.01 KVARH ± (2%+0.08 KVARH)
100.0 to 999.9 KVARH 0.1 KVARH ±(2%+0.8KVARH)
1.000 to 9.999 MVARH 0.001 MVARH ± (2%+0.008 MVARH)
Harmonics of AC voltage in Magnitude
* Fundamental frequency 50 Hz, 60 Hz
Range Resolution Accuracy
1 to 20th ± ( 2 % + 0.5 V )
21 to 30th 0.1 V ± ( 4 % + 0.5 V )
31 to 50th reference
Harmonics of AC voltage in Percentage
* Fundamental frequency 50 Hz, 60 Hz
Range Resolution Accuracy
1 to 20th ± ( 2 % + 10 d )
21 to 30th 0.1 % ± ( 4 % + 20 d )
31 to 50th reference
Harmonics of AC current in Magnitude
* Fundamental frequency 50 Hz, 60 Hz
Range Resolution Accuracy
1 to 20th ± ( 2 % + 0.5 A )
21 to 30th 0.1 A ± ( 4 % + 0.5 A )
31 to 50th reference
8

Harmonics of AC current in Percentage
* Fundamental frequency 50 Hz, 60 Hz
Range Resolution Accuracy
1 to 20th ± ( 2 % + 10 d )
21 to 30th 0.1 % ± ( 4 % + 20 d )
31 to 50th reference
Peak value of ACV or ACA
Range Sample Time Accuracy
50 Hz 19 us ± ( 5 % + 30 d )
60 Hz 16 us
* us = micro seconds
Crest Factor of ACV or ACA
Range Resolution Accuracy
1.000 - 9.999 0.001 ± ( 5 % + 0.3 )
Total Harmonic Distortion
Range Resolution Accuracy
0 to 20 % 0.1 % ± ( 2 % + 5 d )
20.1 to 100 % ± ( 6 % + 10 d )
9

3. FRONT PANEL DESCRIPTION
1
Fig. 1
10

3-1 Display
3-2 1Φ3Φ( Phase/wire ) key button
3-3 key button▲
3-4 key button▼
3-5 Hold key button
3-6 Backlight key button
3-7 Power key button
3-8 Exit key button
3-9 REC key button
3-10 A ( current ) range key button
3-11 Shift key button
3-12 Setup key button
3-13 Voltage input terminals
3-14A Current probe signal input sockets
3-14B Current probe power sockets
3-15 SD card socket
3-16 RS232 socket
3-17 Reset button
3-18 DC 9V power adapter socket
3-19 Battery Cover/Battery compartment
3-20 Stand
3-21 Current Sense Jaw
3-22 Trigger
3-23A Current probe signal plugs
3-23B Current probe power plug
11

3-24 Harmonic Analysis Left Key
3-25 Harmonic Key
3-26 Harmonic Analysis Right Key
3-27 Harmonic Analysis V1,V2,V3, A1,A2,A3
Select Key
3-28 Harmonic Function Voltage or Current
Input Range
3-29 Power Measurement Key
3-30 Phase Diagram Key
3-31 Waveform of Voltage and Current Key
3-32 Transient Key
12

4. MEASURING PREPARATION
4-1 The original screen
4-2 Entry the measurement Screen
1)The bottom right display of screen 1 will show as " SD
Check " along with blinking while inserting SD CARD
then disappears after several seconds that indicates the
data from SD CARD has been read completed.
2)The bottom right display of screen 2 will show as " NO
DISK " along with blinking when SD CARD is not
inserted.
13

screen 1 ( 4-2 )
V12: 0.0 V V1: 0.0 V A1: 0.00 A
V23: 0.0 V V2: 0.0 V A2: 0.00 A
V31: 0.0 V V3: 0.0 V A3: 0.00 A
P1: -0.000 KW S1: 0.000KVA Q1: -0.000 KVAR
P2: -0.000 KW S2: 0.000KVA Q2: -0.000 KVAR
P3: -0.000 KW S3: 0.000KVA Q3: -0.000 KVAR
PΣ:-0.000 KW SΣ:0.000KVA
Q
Σ:-0.000 KVAR
PF1: -0.00 PF 2: -0.00 PF 3: -0.00
PFΣ:0.00 PF H: 0.00
Φ1: - 0.0° Φ2: - 0.0° Φ3: - 0.0°
WH: 0.000 KWH SH: 0.000KVAH
QH: 0.000 KVARH FREQ: 0.0 Hz
CP1201 SD
20A 3Φ4W SEC: 2 CT: 1 PT: 1 Check
screen 2 ( 4-2 )
V12: 0.0 V V1: 0.0 V A1: 0.00 A
V23: 0.0 V V2: 0.0 V A2: 0.00 A
V31: 0.0 V V3: 0.0 V A3: 0.00 A
P1: -0.000 KW S1: 0.000KVA Q1: -0.000 KVAR
P2: -0.000 KW S2: 0.000KVA Q2: -0.000 KVAR
P3: -0.000 KW S3: 0.000KVA Q3: -0.000 KVAR
PΣ:-0.000 KW SΣ:0.000KVA
Q
Σ:-0.000 KVAR
PF1: -0.00 PF 2: -0.00 PF 3: -0.00
PFΣ:0.00 PF H: 0.00
Φ1: - 0.0° Φ2: - 0.0° Φ3: - 0.0°
WH: 0.000 KWH SH: 0.000KVAH
QH: 0.000 KVARH FREQ: 0.0 Hz
CP1201 NO
20A 3Φ4W SEC: 2 CT: 1 PT: 1 DISK
14

4-3 The summary description of keyboard
1) POWER KEY ( 3-7, Fig. 1 ) :
Press the key to turn the instrument ON/OFF.
2) 1Φ3Φ( phase/wire ) KEY ( 3-2, Fig. 1 ) :
Press the key to select
(1P/2W、1P/3W、3P/3W、3P/4W) measurement
function mode.
3) A ( current ) RANGE KEY ( 3-10, Fig. 1 ) :
Press the key to change the current range quickly.
4) REC KEY ( 3-9, Fig. 1 ) :
The data record key for SD CARD.
5) HOLD KEY ( 3-5, Fig. 1 ) :
Press the key to freeze the display reading.
6) BACKLIGHT KEY ( 3-6, Fig. 1 ) :
Press the key to switch LCD backlight to ON/OFF.
7) SETUP KEY ( 3-12, Fig. 1 ) :
Press the key to setup the function before measuring.
8) EXIT KEY ( 3-8, Fig. 1 ) :
Press the key to exit setting screen.
9) SHIFT KEY ( 3-11, Fig. 1 )
Press the key to set the different functions in setting
screen.
10) UP ( ) KEY ( 3-3, Fig. 1 ) :▲
Press the key to move the cursor up in setting
screen.
11) DOWN ( ) KEY ( 3-4, Fig. 1 ) :▼
Press the key to move the cursor down in setting
screen.
12) Harmonic Analysis Left Key ( 3-24, Fig. 1 )
13) Harmonic Key ( 3-25, Fig. 1)
14) Harmonic Analysis Right Key ( 3-26 , Fig. 1 )
15) Harmonic Analysis V1,V2,V3, A1,A2,A3
Select Key ( 3-27, Fig. 1 )
16) Harmonic Function Voltage or Current
Input Range Select Key ( 3-28, Fig. 1 )
17) Power Measurement Key ( 3-29, Fig. 1 )
18) Phase Diagram Key ( 3-30, Fig. 1 )
19) Waveform of Voltage and Current Key ( 3-31, Fig. 1)
20) Transient Key ( 3-32, Fig. 1)
15

4-4 SETUP KEY description:
4-4-1 SHIFT KEY
* SHIFT 1 : When the symbols " SETUP " and " SHIFT 1 "
are appeared on up right display of screen 1 in the
meantime, and then use the or to select the▲▼
expect item.
* SHIFT 2 : When the symbols " SETUP " and " SHIFT 2 "
are appeared on up right display of screen 2 in the
meantime, and then use the ▲or ▼to select ( 1P/2W、
1P/3W、3P/3W、3P/4W ) in File Name function.
Folder Name: WTA01 SETUP
F
il
e Name: 3P401001.XLS SHIFT 1
REC Date: 2008-11-28 00:03:17
Samp
l
in
g
Time: 2
T
rans Re
f
: 220.0 V
De
l
et Fi
l
e: 0 % SDVP : 10%
SD Format: 0 % Decima
l
: Basic
Use Size: 388 KB C
l
amp Type: CP1201
Free Size: 1946 MB
A
Ran
g
e: 200
A
screen 1 ( 4-4 )
T
ota
l
Size: 1946 MB V Ran
g
e: 200mV
RS232 Out Se
l
:
PT: 1 : 1 V1 I1 P1
CT: 1 : 1 S1 Q1 PF1
Beep: ON Φ1 FREQ
Y
ear Mont
h
Date Hour Minute Secon
d
2010 11 13 14 37 25
Folder Name: WTA01 SETUP
F
il
e Name: 3P401001.XLS SHIFT 2
REC Date: 2008-11-28 00:03:17
Samp
l
in
g
Time: 2
T
rans Re
f
: 220.0 V
De
l
et Fi
l
e: 0 % SDVP : 10%
SD Format: 0 % Decimal: Basic screen 2 ( 4-4 )
Use Size: 388 KB C
l
amp Type: CP1201
Free Size: 1946 MB
A
Ran
g
e: 200
A
T
ota
l
Size: 1946 MB V Ran
g
e: 200mV
RS232 Out Se
l
:
PT: 1 : 1 V1 I1 P1
CT: 1 : 1 S1 Q1 PF1
Beep: ON Φ1 FREQ
Y
ear Mont
h
Date Hour Minute Secon
d
2010 11 13 14 37 25
16