Lutron Electronics DW-6064 User manual

fast data logger with 50 mS sampling time
DC WATT METER
Model : DW-6064
Your purchase of this
DC WATT METER marks
a step forward for you
into the field of
precision measurement.
Although this METER is
a complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operating
t e c h n i q u e s a r e
developed. Please read
t h e f o l l o w i n g
instructions carefully
and always keep this
manual within easy
reach.
OPERATION MANUAL

Caution Symbol
Caution :
* Risk of electric shock !
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-60V.
*
Pollution Degree 2.
* Altitude up to 2000 meters.
* Indoor use.
* Relative humidity 80% max.

TABLE OF CONTENTS
1. FEATURES..............................................................................................
1
2. SPECIFICATIONS..................................................................................
1
2-1
General specifications.........................................................................
1
2-2
Electrical specifications.......................................................................
3
3. FRONT PANEL DESCRIPTION....................................................................
4
3-1 Display.............................................................................................
4
3-2 POWER/Backlight button....................................................................
4
3-3 FUNCTION/SETUP button..................................................................
4
3-4 HOLD button....................................................................................
4
3-5 RECORD button ( MAX. / MIN. )..........................................................
4
3-6 LOAD terminal...................................................................................
4
3-7 POWER SOURCE terminal.................................................................
4
3-8 RS-232 output terminal......................................................................
4
3-9 DC 9V Power Adapter input socket......................................................
4
3-10 Battery Cover / Compartment...........................................................
4
3-11 Stand.................................................................................................
4
4. MEASURING PROCEDURES......................................................................
5
4-1
Power ON / OFF...............................................................................
5
4-2
DCV measurement procedure..........................................................
5
4-3
DCA measurement procedure...........................................................
5
4-4
DC WATT measurement procedure...................................................
5
4-5
Fast data logger measurement procedure.............................................
6
4-6
Data Hold...........................................................................................
7
4-7
Data Record ( Max. , Min. reading ).....................................................
7
4-8
LCD Backlight ON/OFF......................................................................
8
5. ADVANCED SETTING.............................................................................
8
5-1
Auto Power Off Default Setting..........................................................
8
5-2
Set beeper sound ON / OFF...............................................................
9
6. MAINTENANCE......................................................................................
10
7. RS232 PC SERIAL INTERFACE...............................................................
10
8. BATTERY REPLACEMENT......................................................................
12
9. THE ADDRESS OF AFTER SERVICE CENTER............................................
12

1. FEATURES
* Professional precision DC WATT meter with 0.001W
resolution special digital display , battery operated .
* LSI - circuit provides high reliability and durability .
* Directly operation.
* DCV input impedance : 10MΩ.
* Measurement
WATT ( DC ) : 600 W x 0.01 W/60.000 W x 0.001 W.
DCV : 60V x 0.01 V .
DCA : 10 A x 10 m A/2 A x 1 m A.
* Low Watt measurement , 60.000 W x 0.001W .
* Fast data logger with 50mS sampling time.
* Data hold , Record ( Max. , Min.) .
* Super large LCD , Dual display at same time .
* Full function Auto range .
* RS232 / USB Computer interface .
* Built-in low battery indicator .
* Built-in backlight easy to readout .
* Power : DC 9V ( 006P ) or AC to DC 9V adapter input.
2. SPECIFICATIONS
2-1 General Specifications
Circuit Custom one-chip of microprocessor LSI
circuit.
Display Large LCD display max. reading 60000.
Digit size : 21.8 x 8.5 mm.
Dual value display with backlight
Measurement DCV 0.02 V - 60.00 V
Unit DCA 1 mA to 10.00 A.
WATT 0.002 W to 600 W
1

Over input " ---- " mark indication .
Zero Automatic adjustment
Display Approx. 0.5 second.
Sampling Time
Data Hold Freeze the display reading .
Memory Recall Maximum & Minimum value .
*Just for DC Watt and DC Ampere
function only.
Data output RS232 / USB PC Computer interface.
* Connect the optional RS232 cable
UPCB - 02 will get the RS232 plug.
* Connect the optional USB cable
USB - 01 will get the USB plug.
Operation 0℃ to 50℃ ( 32℉ to 122℉).
Temperature
Operation Less than 80% RH
Humidity
Power Supply * Alkaline or Heavy duty type DC 9V battery
006P , MN1604 (PP3) or equivalent.
* DC 9V adapter ( adapter is optional ).
Power Approx. DC 8.5 mA
Consumption * If the LCD backlight on, the power
consumption will increase approx. 2 mA.
Weight 364 g / 0.80 LB * Meter only.
Dimension 190 x 88 x 40 mm ( 7.5 x 3.5 x 1.6 inch ).
Accessories
Instruction manual..........................................
1 PC
Included
Test lead (Red & Black).......................................
1 Pair
Optional AC to DC 9V adapter
Accessories USB cable , USB - 01
RS232 cable , UPCB - 02
Data acquisition software, SW-U801-WIN
Excel data acquisition software, SW-E802
Data transfer software, DL-2005
Excel data transfer software, SW-E2005
2

2-2 Electrical Specifications (23±5 ℃ )
DC WATT
Range Resolution Accuracy
600 W 0.01 W ± ( 0.6% reading+ 10d )
60 W 0.001 W
* Auto range.
* Measuring signal come from the front LOAD plug terminals.
* Max. input value, DC voltage : 60V, DC current : 10 A.
* Accuracy @ 23℃ ±5℃.
V/A
Range Resolution Accuracy
DCV 60 V 0.01 V ±( 0.3 % reading+ 5d )
DCA 2 A 0.001 A
DCA 10 A 0.01 A
* Auto range.
* Max. input value :
DC voltage : 60V , DC current : 10 A .
* Accuracy @ 23℃ ±5℃
@ Above specification tests under the environment RF Field Strength
less than 3 V/M & frequency less than 30 MHz only.
3

3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Display
3-2 POWER / Backlight button
3-3 FUNCTION / SETUP button
3-4 HOLD button
3-5 RECORD button ( MAX. / MIN. )
3-6 LOAD terminal
3-7 POWER SOURCE terminal
3-8 RS-232 output terminal
3-9 DC 9V Power Adapter input socket
3-10 Battery Cover / Compartment
3-11 Stand
4

4. MEASURING PROCEDURE
4-1 Power ON/OFF
1) Press the " POWER button " ( 3-2, Fig. 1 ) more than 1.5
seconds to Turn ON the meter.
2) Press the " POWER button " ( 3-2, Fig. 1 ) more than 1.5
seconds to Turn OFF the meter.
4-2 DCV measurement procedure
1) Press the " POWER button " ( 3-2, Fig.1 ) more than 1.5
seconds to Turn ON the meter.
2) Connect Red test lead to the " V " input terminal and
Black test lead to " COM " input terminal .
3) Then use the test lead measurement unknown DC voltage.
4) Read the value from top display. The value indicated
corresponds to the position selected. If the LCD show
" ---- ", it indicates an Out-of-range measurement.
5) If the LCD show in " dcv Error " , and the beeper is
continuously turn on, please change voltage polarity .
4-3 DCA measurement procedure
1) Press the " POWER button " ( 3-2 , Fig.1) more than 1.5 seconds
to Turn ON the meter.
2) Connect red test lead to the " COM " input terminal and
black test lead to " 10A " input terminal .
3)
Then use the test lead measurement unknown DC current.
4) Read the value from bottom display . The value
indicated corresponds to the position selected. If the
display shows " ---- " it indicates an Out-of-range
measurement.
4-4 DC WATT measurement procedure
1) Press the " POWER button " ( 3-2 , Fig.1) more than 1.5
seconds to Turn ON the meter.
2) Turn OFF the DC POWER SOURCE.
5

3)
Plug in the DC POWER SOURCE to " WATT " terminal
and " 10A " terminal ( 3-7 , Fig.1).
Turn ON the DC POWER SOURCE.
4) Read the value from top display. The value indicated
what voltage to test.
Then turn OFF the DC POWER SOURCE.
5) Make sure your unknown elements or equipment
working voltage and voltage polarity .
6) Press the " FUNCTION button " ( 3-3 , Fig.1) once then
change function for measuring DC WATT.
7) Plug in the LOAD ( element or equipment ) to " V "
terminal and " COM " terminal ( 3-6 , Fig.1).
8) Turn ON the DC POWER SOURCE. ( Turn ON the
equipment power switch, let it work.)
9) Then you can read out the POWER value from the top of
the LCD display .
10) Then you can read out the CURRENT CONSUMPTION
from the bottom of the LCD display .
11) At the same time push the " FUNCTION button " ( 3-3 ,
Fig.1) once then change function for measuring DCV/
DCA.
4-5 Fast data logger measurement procedure
1) Press the " POWER button " ( 3-2 , Fig.1) more than 1.5
seconds to Turn ON the meter.
2) Press the " FUNCTION button " ( 3-3 , Fig.1) and " HOLD
button " ( 3-4 , Fig.1) at the same time more than 3
seconds, will into Fast data logger mode and LCD will
show in " FASt " at the top of display, on the bottom
side of LCD will show in " DATALOGGER " .
3) On the bottom side will show in " 2.000 A ", means
maximum work current are 2 A, you can press " HOLD
button " ( 3-4, Fig. 1 ) once to change for maximum
current 10 A, and LCD will show in " 10.00 A " .
4) Now you can turn on the equipment power switch or
turn on the DC POWER SOURCE .
6

5) Then press " REC button " ( 3-5, Fig. 1 ) to execute data
logger function, and LCD will show in " REC " at the top
of display.
6)
When finish data logger function " REC " symbol will
disappear, " SET " symbol will show on LCD left side.
7)
If you press " FUNCTION button " ( 3-3, Fig. 1 ) , meter will
send data from " RS-232 output terminal" ( 3-8, Fig. 1 ).
through RS232 cable ( UPCB - 02 ) or USB cable ( USB -
01) into the computer and recording to the software
SW-E2005 ( optional ) or DL-2005 ( optional ).
8)
When finish data transmit , " EMPTY " symbol will show
show on LCD on left side automatically.
9) If you intend to exit Data logger function. press the
" FUNCTION button " ( 3-3 , Fig.1) and " HOLD button " (
3-4 , Fig.1) at the same time again more than 3 seconds ,
will leave Fast data logger mode.
10) The record numbers of Data logger is 300 records. The
duration time of Data logger is 5 seconds.
4-6 Data Hold
During the measurement, press the " Hold Button " ( 3-4,
Fig. 1 ) once will hold the measured value & the LCD will
display a " HOLD " symbol.
Press the " Hold Button " ( 3-4, Fig. 1 ) once again will release
the data hold function.
4-7 Data Record ( Max., Min. reading )
1) The data record function records the maximum and
minimum readings. Press the " REC button " ( 3-5, Fig.
1 ) once to start the Data Record function and there
will be a " REC. " symbol on the display.
7

2) With the " REC. " symbol on the display :
a) Press the " REC button " ( 3-5, Fig. 1 ) once, the "
REC. MAX. " symbol along with the maximum value
will appear on the display.
If intend to delete the maximum value, just press
the " Hold button " ( 3-4, Fig. 1 ) once, then the
display will show the " REC. " symbol only & execute
the memory function continuously.
b)
Press the " REC button " ( 3-5, Fig. 1 ) again, the
" REC. MIN. " symbol along with the minimum value
will appear on the display.
If intend to delete the minimum value, just press
the " Hold button " ( 3-4, Fig. 1 ) once, then
the display will show the " REC. " symbol only &
execute the memory function continuously.
c) To exit the memory record function, just press the
" REC button " ( 3-5, Fig. 1 )for 2 seconds at least.
The display will revert to the current reading.
4-8 LCD Backlight ON/OFF
1) When use the instrument in a dark place or under the SUN .
You can turn ON the Backlight for easy readout.
2) If the instrument is working. Press the " POWER button "
( 3-2, Fig. 1 ) once, can turn ON the Backlight.
3) Press the button again will turn OFF the Backlight .
5. ADVANCED SETTING
5-1 Auto Power Off Default Setting
1) Press the " POWER button " ( 3-2 , Fig.1) more than 1.5
seconds to Turn ON the meter.
2) Press the " FUNCTION button " ( 3-3, Fig. 1 ) for 3
seconds at least, will into ADVANCED SETTING.
8

3) LCD will show in " Auto " & " yes " , means ensure Auto
Power Off function, you can press " HOLD button " ( 3-4,
Fig. 1 ) once to change state to " no ", means Auto
Power Off function is turn OFF.
4) If the state is correct, you can press the " FUNCTION
button " ( 3-3, Fig. 1 ) for 3 seconds at least to save
your setting and return to measurement.
5) If none of the buttons are pressed within 5 seconds,
meter will return to measurement without change
anything.
5-2 Set beeper sound ON/OFF
1) Press the " POWER button " ( 3-2 , Fig.1) more than 1.5
seconds to Turn ON the meter.
2) Press the " FUNCTION button " ( 3-3, Fig. 1 ) for 3
seconds at least, will into ADVANCED SETTING.
3) LCD will show in " Auto " & " yes " , press the
" FUNCTION button " ( 3-3, Fig. 1 ) once again. LCD will
show in " bEEP " & " yes " , means ensure Beeper
function, you can press " HOLD button " ( 3-4, Fig. 1 )
once to change state to " no " , means Beeper function
is turn OFF.
4) If the state is correct, you can press the " FUNCTION
button " ( 3-3, Fig. 1 ) for 3 seconds at least to save
your setting and return to measurement.
5) if none of the buttons are pressed within 5 seconds,
meter will return to measurement without change
anything.
9

6. MAINTENANCE
1) This WATT METER is intended for measuring the DC
POWER CONSUMPTION. At the same , It can let
you know .how many effect from your equipment.
2) When measuring DC POWER CONSUMPTION. Element
or Equipment working voltage and correct polarity must
be recheck again, before turn on the POWER SOURCE
or Equipment power switch.
3) Instruments used in dusty environments should be
stripped and cleaned periodically.
4) Do not leave the instrument exposed to direct heat from
the sun for long periods.
5) Before removing the battery compartment cover, ensure
that the instrument is disconnect from any circuit and
the power switch is on the OFF position.
7. RS232 PC SERIAL INTERFACE
The instrument has RS232 PC serial interface via a 3.5
mm terminal ( 3-8, Fig. 1 ).
The data output is a 16 digit stream which can be
utilized for user's specific application.
A RS232 lead with the following connection will be
required to link the instrument with the PC serial port.
10

Meter PC
(9W 'D" Connector)
Center Pin............................................
Pin 4
(3.5 mm jack plug)
Ground/shield...........................................
Pin 2
2.2 K
resistor
Pin 5
The 16 digits data stream will be displayed in the
following format :
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Each digit indicates the following status :
D15 Start Word, 02
D14 4
D13 When send the " V " display data = 1
When send the " I " display data = 2
When send the "W " display data = 3
D12 & D11 Annunciator for Display
DCV = 34 DCA = 36 DCW = 47
D10 Polarity
0 = Positive 1 = Negative
D9 Decimal Point(DP), position from right to the
left
0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP
D8 to D1 Display reading, D1 = LSD, D8 = MSD
For example :
If the display reading is 1234, then D8 to
D1 is : 00001234
D0 End Word, 0D
11

RS232 FORMAT : 9600, N, 8, 1
Baud rate 9600
Parity No parity
Data bit no. 8 Data bits
Stop bit 1 Stop bit
8. BATTERY REPLACEMENT
1) When the Top of left corner on LCD display show " " ,
it is necessary to replace the battery , However in -spec.
measurement may still be made for several hours after
LOW BATTERY INDICATOR appears before the
instrument become inaccurate.
2) Open the screw of " Battery Cover " ( 3-10, Fig. 1 ) by
screwdriver then move the battery.
3) Replace with 9V battery and reinstate the cover.
9. THE ADDRESS OF AFTER SERVICE CENTER
12 220818-DW6064