Lutron Electronics LX-1128SD User manual

SD card real time datalogger
+ Type K/J thermometer
LIGHT METER
Model : LX-1128SD
Your purchase of this LIGHT METER with SD CARD
DATALOGGER marks a step forward for you into the field of
precision measurement. Although this METER is a complex and
delicate instrument, its durable structure developed. Please
read the following instructions carefully and always keep this
manual within easy reach.
OPERATION MANUAL

TABLE OF CONTENTS
1. FEATURES............................................................................. 1
2. SPECIFICATIONS................................................................... 2
3. FRONT PANEL DESCRIPTION.................................................. 6
3-1 Display............................................................................ 6
3-2 Power Button ( ESC, Backli
g
ht Button ).............................. 6
3-3 Hold Button ( Function, Next Button )................................ 6
3-4 REC Button ( Enter Button )............................................. 6
3-5 SET Button ( Button, Time check Button )......................▼6
3-6 Lo
gg
er Button ( Button, Samplin
g
time check Button )....▲6
3-7 Probe input socket...........................................................
.
6
3-8 Type K/J Probe Input Socket............................................ 6
3-9 SD card socket................................................................. 6
3-10 RS-232 Output Terminal.................................................
.
6
3-11 Reset Button.................................................................. 6
3-12 DC 9V Power Adapter Input Socket.................................. 6
3-13 Battery Compartment/Cover............................................ 6
3-14 Battery Cover's Screws...................................................
.
6
3-15 Stand............................................................................ 6
3-16 Tripod Fix Nut................................................................ 6
3-17 Probe Plu
g
..................................................................... 6
3-18 Sensor Handle...............................................................
.
6
3-19 Li
g
ht Sensor..................................................................
.
6
3-20 Cover of Li
g
ht Sensor.....................................................
.
6
4. MEASURING PROCEDURE....................................................... 7
4-1 Function selection/Measurement.......................................
.
7
4-2 Data Hold........................................................................ 9
4-3 Data Record ( Max./ Min. readin
g
).................................... 9
4-4 LCD Backli
g
ht ON/OFF......................................................10
5. DATALOGGER........................................................................10
5-1 Preparation before execute datalo
gg
er function..................10
5-2 Auto Datalo
gg
er ( Set samplin
g
time 1 second )............≧11
5-3 Manual Datalo
gg
er ( Set samplin
g
time = 0 second ).........
.
12
5-4 Check time information.....................................................12
5-5 Check samplin
g
time information.......................................13
5-6 SD Card Data structure.....................................................13
6. Savin
g
data from the SD card to the computer.........................
.
14
7. ADVANCED SETTING..............................................................15
7-1 Set clock time ( Year/Month/Date, Hour/Minute/ Second )...16
7-2 Decimal point of SD card settin
g
........................................17
7-3 Auto power OFF mana
g
ement ..........................................17
7-4 Set beep Sound ON/OFF...................................................18
7-5 Select the thermometer type to Type K or Type J...............
.
18
7-6 Select the temperature unit to or ............................℃℉ 19
7-7 Set samplin
g
time ...........................................................
.
19
7-8 SD memory card format...................................................
.
19
8. POWER SUPPLY from DC ADAPTER.........................................
.
20
9. BATTERY REPLACEMENT........................................................ 20
10. SYSTEM RESET....................................................................21
11. RS232 PC serial interface...................................................... 21
12. Optional Type K Temp. probe................................................23
13. PATENT...............................................................................24

1. FEATURES
* 3 ranges, 2,000/20,000/100,000 LUX.
* LUX & Foot Candle unit selection with default.
* Auto range for light measurement.
* Spectrum of photo sensor meets C.I.E..
* Light measurement with zero adjustment by push button.
* Separate probe, easy for operation of different
measurement environment.
* Type K, Type J thermocouple thermometer.
* Real time SD memory card Datalogger, it Built-in Clock
and Calendar, real time data recorder , sampling time set
from 1 second to 3600 seconds.
* Manual datalogger is available ( set the sampling
time to 0 ), during execute the manual datalogger
function, it can set the different position ( location ) No.
( position 1 to position 99 ).
* Innovation and easy operation, computer is not
need to setup extra software, after execute
datalogger, just take away the SD card from the
meter and plug in the SD card into the computer,
it can down load the all the measured value with
the time information ( year/month/date/
hour/minute/second ) to the Excel directly, then
user can make the further data or graphic
analysis by themselves.
* SD card capacity : 1 GB to 16 GB.
* LCD with green light backlight, easy reading.
* Can default auto power off or manual power off.
* Data hold, record max. and min. reading.
* Microcomputer circuit, high accuracy.
* Power by UM3/AA ( 1.5 V ) x 6 batteries or DC 9V adapter.
* RS232/USB PC COMPUTER interface.
1

2. SPECIFICATIONS
2-1 General Specifications
Circuit Custom one-chip of microprocessor LSI
circuit.
Display LCD size : 52 mm x 38 mm
LCD with green backlight ( ON/OFF ).
Measurement/ Light : LUX, Feet candle ( Ft-cd )
Unit Type K/J thermometer : or .℃℉
Light The exclusive photo diode & color
Sensor correction filter, spectrum designed to
Structure meet C. I. E.
Zero Adj. By push button.
* Light
Datalogger Auto 1 second to 3600 seconds
Sampling Time
@ Sampling time can set to 1 second,
Setting range but memory data may loss.
Manual Push the data logger button
once will save data one time.
@ Set the sampling time to
0 second.
@ Manual mode, can also select the
1 to 99 position ( Location ) no.
Memory Card SD memory card. 1 G to 16 G.
Advanced * Set clock time ( Year/Month/Date,
setting Hour/Minute/ Second )
* Decimal point of SD card setting
* Auto power OFF management
* Set beep Sound ON/OFF
* Set thermometer type to Type K or Type J
* Set temperature unit to or℃℉
* Set sampling time
* SD memory card Format
Temperature Automatic temp. compensation for the
Compensation type K/J thermometer.
2

Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Sampling Time Approx. 1 second.
of Display
Data Output RS 232/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.
Operating 0 to 50 .℃
Temperature
Operating Less than 85% R.H.
Humidity
Power Supply *
A
Alkaline or heavy duty DC 1.5 V battery
( UM3, AA ) x 6 PCs, or equivalent.
*
A
DC 9V adapter input. ( AC/DC power
adapter is optional ).
Power Current Normal operation ( w/o SD card save
data and LCD Backlight is OFF) :
Approx. DC 6.5 mA.
When SD card save the data but and
LCD Backlight is OFF) :
Approx. DC 30 mA.
*
A
If LCD backlight on, the power
consumption will increase approx.
16 mA.
Weight 489 g/1.08 LB.
Dimension 177 x 68 x 45 mm
(7.0 x 2.7x 1.9 inch)
Accessories * Instruction manual......................1 PC
Included * Light sensor with protective
cover.........................................
.
1 PC
* Soft carrying case ( CA-05 ).........1 PC
3

Optional SD Card ( 1 GB )
Accessories SD Card ( 2 GB )
Type K thermocouple probe.
AC to DC 9V adapter.
USB cable, USB-01.
RS232 cable, UPCB-02.
Data Acquisition software,SW-U801-WIN.
2-2 Electrical Specifications (23±5 )℃
Light meter
Measureme
n
Range Max. In-range
Display
2,000 LUX 0 - 1,999 LUX
LUX 20,000 LUX 1,800 - 19,990 LUX
@ auto range 100,000 LUX 18,000 - 99,900 LUX
200 Ft-cd 0 - 186.0 Ft-cd
Feet-candle 2,000 Ft-cd 167.0 - 1,860.0 Ft-cd
@ auto range 10,000 Ft-cd 1,670.0 - 9,290.7 Ft-cd
Range Resolution Accuracy
2,000 LUX 1 LUX
20,000 LUX 10 LUX ± (4 %+2 dgt)
100,000 LUX 100 LUX
200 Ft-cd 0.1 Ft-cd
2,000 Ft-cd 1 Ft-cd ±(4%+2Ft-cd)
10,000 Ft-cd 10 Ft-cd ± (4 %+20 Ft-cd)
Note : Accuracy tested by a standard parallel light
tungsten lamp of 2856 K degree temperature.
4

Type K/J thermomete
r
Sensor Resolution Range Accuracy
Type
Type K 0.1 ℃-50.0 to 1300.0 ℃± ( 0.4 % + 0.5 )℃
-50.1 to -100.0 ℃± ( 0.4 % + 1 )℃
0.1 ℉-58.0 to 2372.0 ℉± ( 0.4 % + 1 )℉
-58.1 to -148.0 ℉± ( 0.4 % + 1.8 )℉
Type J 0.1 ℃-50.0 to 1200.0 ℃± ( 0.4 % + 0.5 )℃
-50.1 to -100.0 ℃± ( 0.4 % + 1 )℃
0.1 ℉-58.0 to 2192.0 ℉± ( 0.4 % + 1 )℉
-58.1 to -148.0 ℉± ( 0.4 % + 1.8 )℉
@ Above specification tests under the environment RF Field Strength
less than 3 V/M & frequency less than 30 MHz only.
5

3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Disp
l
ay
3-2 Power Button
(
ESC, Bac
kl
i
gh
t Button
)
3-3 Ho
ld
Button
(
Function, Next Button
)
3-4 REC Button
(
Enter Button
)
3-5 SET Button
(
Button, Time c
h
ec
k
Button
)
▼
3-6 Lo
gg
er Button
(
Button, Samp
l
in
g
time c
h
ec
k
Button, Zero Button
)
▲
3-7 Pro
b
e input soc
k
et
3-8 Type K
/
J t
h
ermometer soc
k
et
3-9 SD car
d
soc
k
et
3-10 RS-232 Output Termina
l
3-11 Reset Button
3-12 DC 9V Power A
d
apter Input Soc
k
et
3-13 Battery Compartment
/
Cover
3-14 Battery Cover Screws
3-15 Stan
d
3-16 Tripo
d
Fix Nut
3-17 Pro
b
e P
l
u
g
3-18 Sensor Han
dl
e
3-19 Li
gh
t Sensor
3-20 Cover o
f
Li
gh
t Sensor
6

4. MEASURING PROCEDURE
4-1 Function selection/Measurement
1)Turn on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ) momentarily.
*Pressing the " Power Button " ( 3-2, Fig. 1 )
continuously and > 2 seconds again will turn off the
meter.
2)The meter can select 2 kind function as :
a.Light meter
b.Type K/J Thermometer
Pressing the " Function Button " ( 3-3, Fig. 1 )
continuously ( not release the button ), the Display
will show the following text in sequence :
LIgHt Light meter
tP Type K/J Thermometer
Until the Display show the desired mode ( Function ),
just release the " Function Button " ( 3-3, Fig. 1 ), the
meter will execute this function with default.
Light Meter
a.Install the " Probe Plug " ( 3-17, Fig. 1 ) into the
" Probe Input Socket " ( 3-7, Fig. 1 ).
b.Power on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ). The display will show the " LUX " ( Ft-cd )
unit Now the meter is ready for make the measurement.
7

c. Use the fingers to hold the " Sensor Handle " ( 3-18 ),
face the " Light Sensor " ( 3-19, Fig. 1 ) against to the
measurement light source directly. The display
will show the light measurement value.
Remark :
* If intend to change the Light unit ( LUX, Ft-cd ),
press the Unit Button " ( 3-4 ) continuously, the
unit will change from LUX, Ft-cd in sequence, until
the desired unit is present on the Display release the
Unit Button ", the select unit will save into the
memory with default.
* During the normal Light measurement, if
blank the Light Sensor ( 3-19, Fig. 1 ) by
" Sensor Cover " ( 3-20 , Fig. 1 ), the display not
show zero value, press the " Zero Button,
Logger Button " ( 3-6, Fig. 1 ) > 3 seconds,
Display will show zero value. Upon
completion, remove the sensor cover.
Type K/J thermometer
a.Function select to " Type K/J thermometer "
b.Not install the Humidity " Probe Plug " ( 3-17,
Fig. 1 ) into the " Probe Input Socket " ( 3-7, Fig. 1 )
c. Plug the Thermocouple Temp. Probe ( Type K Temp.
probe pr Type J Temp. probe, optional ) into " Type
K/J Probe Input Socket " ( 3-8, Fig. 1 )
The Display will show the measuring value that
sensing from the Temp. probe.
d.If the Display show the indicator " K ", it is ready
for Type K thermometer.
If the Display show the indicator " J ", it is ready
for Type J thermometer.
8

Remark :
The meter is defaulted to " Type K thermometer ".
If intend to select the " Type J thermometer with
default , please refer chapter 7-5 ( page 18 ).
4-2 Data Hold
During the measurement, press the " Hold Button " ( 3-3,
Fig. 1 ) once will hold the measured value & the LCD will
display a " HOLD " symbol.
Press the " Hold Button " once again will release the data
hold function.
4-3 Data Record ( Max., Min. reading )
1)The data record function records the maximum and
minimum readings. Press the " REC Button " ( 3-4, Fig.
1 ) once to start the Data Record function and there
will be a " REC. " symbol on the display.
2)With the " REC. " symbol on the display :
a)Press the " REC Button " ( 3-4, 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 " ( 3-3, Fig. 1 ) once, then the
display will show the " REC. " symbol only & execute
the memory function continuously.
b)Press the " REC Button " ( 3-4, 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 " ( 3-3, 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 for 2 seconds at least. The display will
revert to the current reading.
9

4-4 LCD Backlight ON/OFF
After power ON, the " LCD Backlight " will light
automatically. During the measurement, press the "
Backlight Button " ( 3-2, Fig. 1 ) once will turn OFF the
" LCD Backlight ".
Press the " Backlight Button " once again will turn ON the
" LCD Backlight " again.
5. DATALOGGER
5-1 Preparation before execute datalogger function
a. Insert the SD card
Prepare a " SD memory card " ( 1 G to 16 G, optional ),
insert the SD card into the " SD card socket " ( 3-9, Fig. 1).
The front panel of the SD card should face against the
the down case.
b. SD card Format
If SD card just the first time use into the meter, it
recommend to make the " SD card Format " at first. ,
please refer chapter 7-8 ( page 19 ).
c. Time setting
If the meter is used at first time, it should to adjust the
clock time exactly, please refer chapter 7-1 ( page 16 ).
d. Decimal format setting
The numerical data structure of SD card is
default used the " . " as the decimal, for
example "20.6" "1000.53" . But in certain
countries ( Europe ...) is used the " , " as the
decimal point, for example " 20, 6 "
"1000,53". Under such situation, it should
change the Decimal character at first, details
of setting the Decimal point, refer to Chapter
7-2, page 17.
10

5-2 Auto Datalogger ( Set sampling time 1 second )≧
a. Start the datalogger
Press the " REC Button ( 3-4, Fig. 1 ) once , the LCD will
show the text " REC ", then press the " Logger Button " (
3-6, Fig. 1 ), the " REC " will flashing, at the same time
the measuring data along the time information will be
saved into the memory circuit.
Remark :
*
How to set the sampling time, refer to Chapter 7-7,
page 19.
*
How to set the beeper sound is enable, refer to
Chapter 7-4, page 18.
b. Pause the datalogger
During execute the Datalogger function , if press the
" Logger Button " ( 3-6, Fig. 1 ) once will pause the
Datalogger function ( stop to save the measuring data
into the memory circuit temporally ). In the same time
the text of " REC " will stop flashing.
Remark :
If press the " Logger Button " ( 3-6, Fig. 1 ) once again
will execute the Datalogger again, the text of " REC " will
flashing .
c.. Finish the Datalogger
During pause the Datalogger, press the " REC Button " (
3-4, Fig. 1) continuously at least two seconds, the " REC "
indication will be disappeared and finish the Datalogger.
11

5-3 Manual Datalogger ( Set sampling time = 0
second )
a. Set sampling time is to 0 second
Press the " REC Button ( 3-4, Fig. 1 ) once , the LCD will
show the text " REC ", then press the " Logger Button " (
3-6, Fig. 1 ) once, the " REC " will flashing once and Beeper
will sound once, at the same time the measuring data
along the time information will be saved into the
memory circuit. The lower Display will show the
Position ( Location ) no. and saved into the SD card too.
Remark :
During execute the Manual Datalogger, press the " ▼
Button " ( 3-5, Fig, 1 ) the lower no. ( position no. ) will
flashing. It can use the " Button " ( 3-6, Fig. 1) or "▲
Button " ( 3-5, Fig. 1 ) to set the measuring position (▼
1 to 99, for example room 1 to room 99 ) to identify the
measurement location , the lower Display will show P x (
x = 1 to 99 ). After the position no. is selected, t press
the " Enter Button " ( 3-4, Fig. 1 ) to confirm.
b. Finish the Datalogger
Press the " REC Button " ( 3-4, Fig. 1) continuously at
least two seconds, the " REC " indication will be
disappeared and finish the Datalogger.
5-4 Check time information
During the normal measurement ( not execute the
Datalogger ), If press " Time check Button " ( 3-5, Fig. 1
) once , the lower LCD display will present the time
information of Year, Month/Date, Hour/Minute
12

5-5 Check sampling time information
During the normal measurement ( not execute the
Datalogger ), If press " Sampling Button " ( 3-6, Fig. 1 )
once , the lower LCD display will present the Sampling
time information in second unit.
5-6 SD Card Data structure
1)When the first time, the SD card is used into the meter,
the SD card will generate a folder :
LXA01
2)If the first time to execute the Datalogger,
under the route LXA01\, will generate a new
file name LXA01001.XLS.
After exist the Datalogger, then execute again,
the data will save to the LXA01001.XLS until
Data column reach to 30,000 columns, then
will generate a new file, for example LXA01002.XLS
3)Under the folder LXA01\, if the total files more
than 99 files, will generate anew route, such as
LXA02\ ........
4)The file's route structure :
LXA01\ LXA01001.XLS
LXA01002.XLS
.....................
LXA01099.XLS
LXA02\ LXA02001.XLS
LXA02002.XLS
.....................
LXA02099.XLS
LXAXX\ .....................
Remark :
XX : Max. value is 10.
13

6. Saving data from the SD card to
the computer ( EXCEL software )
1)After execute the Data Logger function, take away the
SD card out from the " SD card socket " ( 3-9, Fig. 1 ).
2)Plug in the SD card into the Computer's SD card slot
( if your computer build in this installation ) or
insert the SD card into the " SD card adapter ". then
connect the " SD card adapter " into the computer.
3)Power ON the computer and run the " EXCEL software ".
Down load the saving data file ( for example the file
name : LXA01001.XLS, LXA01002.XLS ) from the SD
card to the computer. The saving data will present into
the EXCEL software screen ( for example as following
EXCEL data screens ) , then user can use those EXCEL
data to make the further Data or Graphic analysis
usefully.
EXCEL data screen ( for example )
14

EXCEL graphic screen ( for example )
7. ADVANCED SETTING
Under do not execute the Datalogger function,
press the " SET Button " ( 3-5, Fig. 1 ) continuously at
least two seconds will enter the " Advanced Setting " mode.
then press the " Next Button " (3-3, Fig. 1 ) once a while
in sequence to select the eight main function, the lower
display will show :
dAtE.....
.
Set clock time ( Year/Month/Date, Hour/Minute/
Second )
dEC......
.
Set SD card Decimal character
PoFF.....Auto power OFF management
bEEP....
.
Set beeper sound ON/OFF
tYPE.....
.
Select the Thermometer to Type K or Type J
t-CF......Select the Temp. unit to or℃℉
SP-t......Set sampling time ( Hour/Minute/Second )
Sd F..... SD memory card Format
15

Remark :
During execute the " Advanced Setting " function,
if press " Esc Button " ( 3-2, Fig. 1 ) once will exit
the " Advanced Setting " function, the LCD will
return to normal screen.
7-1 Set clock time ( Year/Month/Date,
Hour/Minute/ Second )
When the lower display show " dAtE "
1)Press the " Enter Button " ( 3-4, Fig. 1 ) once,
Use the " Button " ( 3-6, Fig. 1 ) or " Button "▲▼
( 3-5, Fig. 1 ) to adjust the value ( Setting start from
Year value ). After the desired value is set, press the
" Enter Button " ( 3-4, Fig. 1 ) once will going to
next value adjustment ( for example, first setting
value is Year then next to adjust Month, Date, Hour,
Minute, Second value ).
2)After set all the time value ( Year, Month, Date, Hour,
Minute, Second ),
the screen will
jump to " SD card Decimal character " setting screen (
Chapter 7-2 ).
Remark :
After the time value is setting, the internal clock will
run precisely even Power off if the battery is under
normal condition ( No low battery power ).
16

7-2 Decimal point of SD card setting
The numerical data structure of SD card is default used
the " . " as the decimal, for example "20.6" "1000.53" .
But in certain countries ( Europe ...) is used the " , " as
the decimal point, for example " 20,6 " "1000,53".
Under such situation, it should change the Decimal
character at first.
When the lower display show " dEC "
1)Use the " Button " ( 3-6, Fig. 1 ) or " Button "▲▼
( 3-5, Fig. 1 ) to select the upper value to " bASIC " or
" Euro ".
bASIC - Use " . " as the Decimal point with default.
Euro - Use " , " as the Decimal point with default.
2)After select the upper text to " bASIC " or " Euro ",
press the " Enter Button " ( 3-4, Fig. 1 ) will save the
setting function with default.
7-3 Auto power OFF management
When the lower display show " PoFF "
1)Use the " Button " ( 3-6, Fig. 1 ) or " Button "▲▼
( 3-5, Fig. 1 ) to select the upper value to " yES " or
" no ".
yES - Auto Power Off management will enable.
no - Auto Power Off management will disable.
2)After select the upper text to " yES " or " no ", press the
" Enter Button " ( 3-4, Fig. 1 ) will save the setting
function with default.
17

7-4 Set beeper sound ON/OFF
When the lower display show " bEEP "
1)Use the " Button " ( 3-6, Fig. 1 ) or " Button "▲▼
( 3-5, Fig. 1 ) to select the upper value to " yES " or
" no ".
yES - Meter's beep sound will be ON with default.
no - Meter's beep sound will be OFF with default.
is power ON.
2)After select the upper text to " yES " or " no ", press the
" Enter Button " ( 3-4, Fig. 1 ) will save the setting
function with default.
7-5 Select the Thermometer to Type K or Type J
When the lower display show " tYPE "
1)Use the " Button " ( 3-6, Fig. 1 ) or " Button "▲▼
( 3-5, Fig. 1 ) to select the Display unit to " K " or
" J ".
K - Type K thermometer
j - Type J thermometer
2)After Display unit is selected to " K " or " J ", press the
" Enter Button " ( 3-4, Fig. 1 ) will save the setting
function with default.
18