ELBRO ELX-1148SD User manual

SD card real time Data Recorder
10 Light Source select , Auto range 0 to 100,000 LUX
LED LIGHT METER
Model : ELX-1148SD
Your purchase of this
LED LIGHT METER with
SD CARD DATA LOGGER
marks a step forward for you
into the field of
precision measurement.
Although this meter 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.
OPERATION MANUAL
 by ELBRO AG - Giorgio Bovenzi 2018

TABLE OF CONTENTS
1. FEATURES..............................................................................
..................................................................
1
2. SPECIFICATIONS........................................................................................
..................................................
2
3. FRONT PANEL DESCRIPTION...................................................................................
.................................................
6
4. MEASURING PROCEDURE.....................................................................................
.................................................
7
4-1 Function selection/Measurement..................
..................................................................
7
4-2 Light Meter Measurement....................................................................................
..................................................
7
4-3 Light Source Selection....................................................................................
..................................................
8
4-4 Type K/J thermometer Measurement....................................................................................
9
4-5 Data Hold..................................................................................................
.........................................................
10
4-6 Data Record ( Max./ Min. reading ).............................................................................
.........................................................
10
4-7 LCD Backlight ON/OFF...........................................................................................
...........................................
11
5. DATALOGGER............................................................................................
......................................................
11
5-1 Preparation before execute datalogger function....................
..................................................................
11
5-2 Auto Datalogger ( Set sampling time ≧ 1 second )................
..................................................................
12
5-3 Manual Datalogger ( Set sampling time = 0 second )................
..................................................................
13
5-4 Check time information.............................................................
..................................................................
13
5-5 SD Card Data structure.......................................
..................................................................
14
6. Saving data from the SD card to the computer.......................
..................................................................
15
7. ADVANCED SETTING.............................................
..................................................................
16
7-1 Set clock time ( Year/Month/Date, Hour/Minute/ Second ).......
..................................................................
17
7-2 Set sampling time ...................................................
..................................................................
18
7-3 Auto power OFF management ....................
..................................................................
18
7-4 Set beep Sound ON/OFF...........................
..................................................................
18
7-5 Decimal point of SD card setting.........................
..................................................................
19
7-6 SD memory card format...............................
..................................................................
19
7-7 Select the temperature unit to ℃ or ℉ .................
..................................................................
20
7-8 Select the thermometer type to Type K or Type J.................................................................
20
8. POWER SUPPLY from DC ADAPTER...................
..................................................................
21
9. BATTERY REPLACEMENT...........................................................................................
....................................
21
10. SYSTEM RESET............................................................................................................
.......................................
22
11. RS232 PC serial interface.....................................................................................
..............................................................
22
12. Optional Type K Temp. probe.....................................................................................
..............................................................
24
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.
* Measure White, Red, Yellow, Green, Blue, and Purple LED
and Standard Lighting in Lux or Foot-Candle units.
* 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.
01

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 Sensor The exclusive photo diode & color correction filter,
Structure spectrum designed to meet C. I. E.
Light Source select L 0~ L9 Light Source selection.
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.
02

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 *Alkaline or heavy duty DC 1.5 V battery
( UM3, AA ) x 6 PCs, or equivalent.
*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.
* AC/DC power adapter is optional.
consumption will increase approx.
16 mA.
Weight 346 g/0.76 LB.
Dimension 182 x 73 x 47.5 mm
(7.1 x 2.9 x 1.9 inch)
Standard * Instruction manual.............................. 1 PC
Accessories * Light sensor with protective
Included cover............................................ 1 PC
03

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.
Hard carrying case, CA-06.
2-2 Electrical Specifications (23±5 ℃ )
Light meter
Measurement 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 % +2 Ft-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.
04

Type K/J thermometer
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.
05

3. FRONT PANEL DESCRIPTION
F
ig. 1
3-1 Display 3-13 Reset Button
3-2 Power Button ( Backlight Button ) 3-14 DC 9V Power Adapter Input Socket
3-3 Hold Button 3-15 Battery Compartment/Cover
3-4 REC Button 3-16 Battery Cover Screws
3-5 UNIT Button ( ▲ Button ) 3-17 Stand
3-6 FUNCTION Button ( ▼ Button ) 3-18 Tripod Fix Nut
3-7 SET Button ( Clock Button ) 3-19 Probe Plug
3-8 LOG Button ( ENTER Button ) 3-20 Sensor Handle
3-9 Probe input socket 3-21 Light Sensor
3-10 Type K/J thermometer socket 3-22 Cover of Light Sensor
3-11 SD card socket
3-12 RS-232 Output Terminal
06

4. MEASURING PROCEDURE
4-1 Function selection/Measurement
1) Power on the meter by pressing the " Power button "
( 3-2, Fig. 1 ) > 3 seconds continuously.
* After already power on the meter, pressing the
" Power button " > 3 seconds continuously 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 " ( 3-6, Fig. 1 )
> 3 seconds ( 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 " ( 3-6, Fig. 1 ), the
meter will execute this function with default.
4- 2 Light Meter Measurement
a. Install the " Probe Plug " ( 3-19, Fig. 1 ) into the
" Probe Input Socket " ( 3-9, 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.
c. Use the fingers to hold the " Sensor Handle " ( 3-20 ),
face the " Light Sensor " ( 3-21, Fig. 1 ) against to the
measurement light source directly. The display
will show the light measurement value.
07

Remark :
* If intend to change the Light unit ( LUX, Ft-cd ),
press the Unit Button " ( 3-5, Fig. 1 ) > 3 seconds,
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 ( 3-21, Fig. 1 ) by
" Sensor Cover " ( 3-22, Fig. 1 ), the display not
show zero value, press the " ▲ Button '' (
3-5, Fig. 1 ) and " ▼ Button " ( 3- 6 , Fig. 1 )
together > 3 seconds, Display will show
zero value. Upon completion, remove the
sensor cover.
4-3 Light Source Selection
There are 10 light source can selections (L0 – L9) each having a unique
calibration correction factor (multiplier).Reference the Light Source
Factors list below. The multipliers for locations L0 to L6 are fixed for the
lighting types listed. Locations L7 to L9 are extra locations that
the user can customize (with a multiplier from 0.001 to 1.999). How to
change the light source (L.S.) selection:
1. Press and hold the " REC " button >2 sec., into the light source code
(L0 - L9) select function , then use the " ▲ " or " ▼ " to selection , The
location’s multiplier (correction factor) will be shown on the big digital of
the LCD (L8…1.000, for example), light source code will be shown on
the small digital of the LCD (L0~L9, for example). After selection is
complete piease press " ENTER " button back to measurement , light
source code and Coefficient will show on the smill digital of the LCD ,
loop display.
2. To customize a location, select L7, L8 or L9 and, once selected,
Please press and holding the "
SET
" button >2 sec. to enter the multiplier
programming mode. Then release the "
SET
" button,Now use the
" ▲ " or " ▼ " Key to change the multiplier. After change is complete
Press "enter " Button once, cmplete the seting, and Press " power " Button
once , back measurement.
08

Light Source Factors
L0: Standard light source: 1.00.
L1: LED white daylight: 0.99.
L2: LED RED light: 0.516.
L3: LED AMBER (YELLOW) light: 0.815.
L4: LED GREEN light: 1.216.
L5: LED BLUE light: 1.475.
L6: LED PURPLE light: 1.148.
L7~L9: Programmable User Custom Locations (preset to 1.00)
4-4 Type K/J thermometer Measurement
a. Function select to " Type K/J thermometer "
b. Not install the LUX " Probe Plug " ( 3-19,
Fig. 1 ) into the " Probe Input Socket " ( 3-9, Fig. 1 )
c. Plug the Thermocouple Temp. Probe ( Type K Temp.
probe
or
Type J Temp. probe, optional ) into " Type
K/J Probe Input Socket " ( 3-10, 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.
Remark :
* The meter is defaulted to " Type K thermometer ".
If intend to select the " Type J thermometer with
default , please refer chapter 7-8 ( page 20 ).
* If intend to select the Temp. unit to ℉ ( ℃ )
with default , please refer chapter 7-7 ( page 20 ).
09

4-5 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.
4-6 Data Record ( Max., Min. reading )
1) The data record function records the maximum and
minimum readings. Press the " MAX/MIN 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 " MAX/MIN Button " ( 3-4, Fig. 1 ) once, the
" REC MAX " symbol along with the maximum value
will appear on the display.
b) Press the " MAX/MIN Button " ( 3-4, Fig. 1 ) again, the
" REC MIN " symbol along with the minimum value
will appear on the display.
c) Press the " MAX/MIN Button " ( 3-4, Fig. 1 ) again,
the the " MIN " symbol will be appeared, LCD only
show the " REC " symbol, the meter start the Data
Record function again.
3) To exit the memory record function, just press the "
MAX/MIN Button " ( 3-4, Fig. 1 ) > 3
seconds
continuously. The display will revert to the current
reading.
4-7 LCD Backlight ON/OFF
1) After power ON, the " LCD Backlight " will light
automatically. During the measurement, Push the "
Backlight Button " ( 3-2, Fig. 1 ) once , will turn OFF the
" LCD Backlight ".
2) Push the " Backlight Button " once will turn ON the " LCD Backlight "
again.
10

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 " ( 3-11, 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 7-6 ( page 1
9
).
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 17 ).
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
7-5, page 1
9
.
11

5-2 Auto Datalogger ( Set sampling time ≧ 1 second )
a. Start the datalogger
Press the " LOG Button ( 3-8, Fig. 1 ) > 3 seconds
continuously, the lower LCD will show the text of " Log "
then " REC " symbol will flashing per sampling time, 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 7-2,
page 1 8 .
*How to set the beeper sound is enable, refer to
Chapter 7-4, page 1 8 .
b. Pause the datalogger
During execute the Datalogger function, if press the
" LOG Button " ( 3-8, Fig. 1 ) once will pause the
Datalogger function ( stop to save the measuring data
into the memory circuit temporally ). In the same time
the the " REC " symbol will stop flashing, the lower LCD
will show the text of " Log ".
Remark :
If press the " LOG Button " ( 3-8, Fig. 1 ) once again
will execute the Datalogger again, the " REC " symbol
will flashing.
c.. Finish the Datalogger
During execute the Datalogger function, press the
" LOG Button ( 3-8, Fig. 1 ) > 3 seconds continuously
again will finish the Datalooger function, the " Log "
text will be disappeared and finish the Datalogger.
12

5-3 Manual Datalogger ( Set sampling time = 0
second )
a. Set sampling time is to 0 second
Press the " LOG Button ( 3-8, Fig. 1 ) > 3 second , the
lower LCD will show the " Position no. " , then press the
" LOG Button " ( 3-8, Fig. 1 ) once, the " REC " symbol
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.
Remark :
During execute the Manual Datalogger, it can use the " ▲
Button " ( 3-5, Fig. 1) or " ▼ Button " ( 3- 6 , 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 ).
( x = 1 to 99 ).
b. Finish the Datalogger
During execute the Datalogger function, press the " LOG
Button ( 3-8, Fig. 1 ) > 3 seconds continuously again will
finish the Datalooger function, the Position no. " PXX " will
be disappeared and finish the Datalogger. function.
5-4 Check time information
During the normal measurement ( not execute the
Datalogger ), If press " Clock Button " ( 3-7, Fig. 1 )
once , the lower LCD display will present the time
information of Year/Month, Date/Hour, Minute/Second
and the Sampling time information in sequence.
13

5-5 SD Card Data structure
1) When the SD card is used into the meter, the SD card
When the first time, the SD card is used into the meter,
the SD card will generate a folder :
LX C 01
2)
If the first time to execute the Datalogger,
under the route LX
C
01\, will generate a new
file name LX
C
01001.XLS.
After exist the Datalogger, then execute again,
the data will save to the LX
C
01001.XLS until
Data column reach to 30,000 columns, then
will generate a new file, for example LX
C
01002.XLS
3)
Under the folder LX
C
01\, if the total files more
than 99 files, will generate anew route, such as
LX
C
02\ ........
4)
The file's route structure :
LX
C
01\
LX
C
01001.XLS
LX
C
01002.XLS
.....................
LX
C
01099.XLS
LX
C
02\
LX
C
02001.XLS
LX
C
02002.XLS
.....................
LX
C
02099.XLS
LX
C
XX\
.....................
Remark :
XX : Max. value is 10.
14

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 " ( 3-11, 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 socket ". then
connect the " SD card socket " into the computer.
3) Power ON the computer and run the " EXCEL software ".
Down load the saving data file ( for example the file
name : LXC01001.XLS, LXC01002.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 )
15

EXCEL graphic screen ( for example )
7. ADVANCED SETTING
Under do not execute the Datalogger function,
press the " SET Button " ( 3-
7
, Fig. 1 ) continuously at
least two seconds will enter the " Advanced Setting " mode.
then press the " SET Button " ( 3-
7
, 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 )
SP-t....... Set sampling time ( Hour/Minute/Second )
PoFF....... Auto power OFF management
bEEP........ Set beeper sound ON/OFF
dEC........ Set SD card Decimal character
Sd F..... SD memory card Format
t-CF....... Select the Temp. unit to ℃ or ℉
tYPE...... Select the Thermometer to Type K or Type J
16

Remark :
During execute the " Advanced Setting " function, if
press " SET Button " ( 3- 7 , Fig. 1 ) > 3 seconds 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) Use the " ▲ Button " ( 3-5, Fig. 1 ) or " ▼ Button "
( 3-
6
, Fig. 1 ) to adjust the value ( Setting start from
Year value ). After the desired value is set, press the
" Enter Button " ( 3-8, 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 ), press the " ENETER Button " ( 3-8,
Fig. 1 ) once will save the time value.
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 ).
17

7-2 Set sampling time ( Seconds )
When the lower display show " SP-t "
1) Use the " ▲ Button " ( 3-5, Fig. 1 ) or " ▼ Button " (
3-
6
, Fig. 1 ) to adjust the value ( 0, 1, 2, 5, 10, 30,60,
120, 300, 600, 1800,3600 seconds ).
2) After the Sampling value is selected, press the
" Enter Button " ( 3-8, 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 " ( 3-5, Fig. 1 ) or " ▼ Button "
( 3-
6
, 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 " ( 3-8, Fig. 1 ) will save the setting
function with default.
7-4 Set beeper sound ON/OFF
When the lower display show " bEEP "
1) Use the " ▲ Button " ( 3-5, Fig. 1 ) or " ▼ Button "
( 3-
6
, Fig. 1 ) to select the upper value to " yES " or
" no ".
18