Topcon SR-NIR User manual

INSTRUCTION MANUAL
SPECTRORADIOMETER
Rev.8

Introduction
Thank you for your purchasing Topcon Technohouse Corporation Spectroradiometer SR-NIR.
The spectroradiometer SR-NIR can measure the spectral distribution of PDP, CRT, LCD, the back light
of LCD, and the reflected light of luminous bodies such as LED, coated surfaces and printed
substances. Moreover, by using SR-NIR with the spectroradiometer SR series, it can measure the
spectral distribution of the visible light and near infrared light (380nm to 1030nm) with high precision.
This manual describes the outline, basic operation, and the specifications of the spectroradiometer
SR-NIR.
Please keep this Manual near you for operating this device.

Display for Safe Use
The instruction panels on the device and this Instruction Manual describe important things to prevent
the dangers to the operator or others and damages to your properties from occurring, and to secure
your operating this device.
Be sure to understand the following indications and symbols, read the precautions and the contents,
and observe the written instructions fully.
Indication marks
Meaning of marks
This “Danger” mark indicates that ignoring this indication and
mishandling the system may cause dangerous accidents that may
cause death or severe injury to you or others.
This “Warning” mark indicates that ignoring this indication and
mishandling the device may cause death or severe injury to you or
others.
This “Caution” mark indicates that ignoring this indication and
mishandling the device may cause injury to you or others*1 or cause
propertydamage*2.
*1 Injury stated here indicates the injury, burn, or electric shock that does not require you
hospitalization or visiting the hospital for a long time.
*2 Property damage stated here indicates the damages widely spread to the building, properties,
domestic animals, or pets.
Symbols
Meaning of symbols
This mark indicates the prohibited matter.
Detailed content of the prohibited matter is stated or indicated by the symbol
in or near the mark.
(Example : Do not touch the operating units.)
This mark indicates the instruction to be obeyed.
Detailed content of the prohibited matter is stated or indicated by the symbol
in or near the mark.
(Example : Perform grounding.)
This mark indicates the caution (including the warning).
Detailed content of the prohibited matter is stated or indicated by the symbol
in or near the mark.
(Example : Be careful for electric shock.)
Danger
Caution
Warning

Warning
Symbols
Precautions
Prohibited
Never use the system in flammable or ignitable vapor-floated (gasoline,
etc.) place.
This may cause the fire.
Prohibited
Never disassemble or modify the device.
This may cause the fire and electric shock.
Forced
Be sure to use the AC adapter which is the standard or optional
accessory.
The defective AC adapter may cause fire or electric shock.
Prohibited
Never disassemble AC adapter
This may cause the fire and electric shock.
Forced
Be sure to remove the dust or moisture around the plug and outlet of
AC adapter.
This may cause the fire.
Forced
If abnormal sound, unusual smell, or smoke are found in the device,
turn off the power quickly and pull out the AC adapter cable from the
outlet.
Continuing to use the device may cause the fire.
Please contact the local retailer from which you purchased the device or
TOPCON TECHNOHOUSE CORPORATION.

Caution
Symbols
Precautions
Prohibited
Never watch the Sun or the filament of an electric bulb directly.
This may injure your eyes.
Prohibited
Never put the device (or other objects) on the unstable places like
wobbly table or inclined surface.
Dropping or falling of the device (or other objects) may injure you.
Prohibited
Never pull out or insert the plug by wet hand.
This may cause electric shock.
Forced
When using the tripod mounting screw hole and the jig mounting screw
hole, use the specified screw.
Do not tighten the screw excessively. The inside of the instrument may be
broken.

Disclaimer
• We are not responsible for the damages caused by various problems such as, fire, earthquake,
behaviors by other persons, other accidents, intentional or negligent or wrong use of the device by
the operator, and the use of the device under abnormal conditions.
• We are not responsible for incidental damages arising from the use or unavailability of the device
(loss of business income, business interruption, etc.).
• We are not responsible for the damages caused by the uses other than specified in the Instruction
Manual.
• We are not responsible for the damages caused by the malfunction due to the combination with
the connecting devices.
Precautions for Use
• Use the AC adapter, which is the standard or optional accessory. Any other AC adapter except
the specified one may cause malfunction. For the power supply used for this instrument, the
input voltage is AC100V to 240V and the frequency is 50Hz to 60Hz.
• For energy saving, when this instrument will not be used for an extended period of time,
disconnect the power plug from the outlet.
• Keep this instrument away from water and liquid. It is not water-resistant.
• Never measure the light source exceeding the measurable range or the sunlight. Such behaviors
may damage the photo detector and make it impossible to perform the stabilized measurement.
• When using this instrument, do not turn ON the power right after turning it OFF. Because the
instrument inside is hot, the protective circuit works to indicate an error. In such a case, turn off
the power and leave the instrument as it is for about 30 minutes under the usable condition (5 to
35°C). Then, turn on the power. ☞“5.1 Error Display of Instrument”.
• Never use this instrument in the place which is dusty or humid or generates corrosive gas.
• Never use this instrument where the temperature tends to vary rapidly. Although a temperature
compensating circuit is built in this instrument, it may not perform the stabilized measurement
under the environment where the temperature tends to vary rapidly.
• Never use or store this instrument in a place which is subject to heavy shock like falling or tends to
vibrate at any time. Using or storing in such a place may damage the instrument equipped with
delicate optical components. To carry this instrument, please put it in the accessory carrying
case to prevent it from direct vibration or shock.
• To store this instrument, be sure to put it in the exclusive carrying case and keep it under constant
temperature and humidity. Never store the instrument under high temperature and high humidity
condition (for example, in a car).
• To maintain the measurement precision, be sure to perform the calibration at least once a year.
For the calibration, consult the local retailer from which you purchased the instrument or TOPCON
TECHNOHOUSE CORPORATION.
• When the calibration is performed, the measurement data stored in this instrument are completely
erased. Be sure to back up the necessary data in your personal computer, etc. before requesting
the calibration.
• Never peel off the seal from the rear surface of this instrument. If it is peeled off, all of warranty
will be invalid.

User Maintenance
Maintenance works other than instructed in this manual must not be carried out by anybody other than
our servicing staff in order to keep the safety and performance. However, the following matters can be
performed by the user for maintenance. Please read the section relevant to the maintenance method
in this Manual.
Cleaning the instrument cover and lens
For the dirt of the instrument case and lens, please remove it with a soft cloth moistened with diluted
neutral detergent. Then, wipe the case or lens with a dry soft cloth.
Never use solvent such as thinner, benzene and acetone. Such solvent may discolor the instrument
surface

Table of Contents
Introduction
Display for Safe Use
Conventions in This Manual
1. Before Use .......................................................................................................................................1
1.1 Checking the Instrument and Accessories............................................................................... 1
1.2 Names and Functions of Components..................................................................................... 2
1.3 Preparations..............................................................................................................................7
1.3.1 Connecting AC Adapter.....................................................................................................7
1.3.2 Connecting PC ..................................................................................................................8
1.3.3 Alignment of Measurement Target.................................................................................... 9
1.3.4 How to Turn On/Off the Power........................................................................................ 10
1.3.5 Opening/Closing the Viewfinder Shutter.........................................................................12
1.4 Maintenance Recommendation Display.................................................................................13
2. Measurement Procedures.............................................................................................................. 14
2.1 Single Measurement (Single) .................................................................................................14
2.2 Continuous Measurement (Auto Run).................................................................................... 16
2.3 Difference Measurement ........................................................................................................17
2.4 Display of Measurement Data................................................................................................19
2.5 Measuring...............................................................................................................................20
2.5.1 Measuring Directional Light Sources ..............................................................................20
2.5.2 Measuring Very Small Surfaces...................................................................................... 20
2.5.3 System Integration........................................................................................................... 21
2.5.4 Measuring a Frequency Light Source.............................................................................21
3. Settings ..........................................................................................................................................22
3.1 Function Mode........................................................................................................................22
3.1.1 Setting Items....................................................................................................................22
3.1.2 Entering/Returning from the Function Mode...................................................................23
3.1.3 Setting Numerical Value.................................................................................................. 26
3.2 Measurement Mode................................................................................................................28
3.2.1 FREQ (Frequency) Mode................................................................................................ 30
3.2.2 MANU (Manual) Mode.....................................................................................................31
3.3 Integral Time Delay Function..................................................................................................32
3.3.1 Setting Delay Time..........................................................................................................33
3.4 Single or Auto Run..................................................................................................................34
3.5 PC Connection Method...........................................................................................................35
3.6 RS-232C Parameters .............................................................................................................36

3.7 Data Communication Method................................................................................................. 38
3.8 Terminal Code of Remote Command..................................................................................... 39
3.9 Using Correction Factor.......................................................................................................... 40
3.10 Display/Change of Correction Factor..................................................................................... 41
3.11 Average Measurement ........................................................................................................... 43
3.11.1 Average Times ................................................................................................................ 44
3.12 Selecting “OVER-RANGE” Detection in “MANU” Mode......................................................... 45
3.13 Beep Sound............................................................................................................................ 46
3.14 Maintenance Recommendation Display................................................................................. 47
3.15 Setting Auto Panel Light......................................................................................................... 48
3.16 Batch Deletion of Measurement Data/DIF Standard Data..................................................... 49
4. Communication with PC .................................................................................................................. 50
4.1 Communication Command..................................................................................................... 50
4.1.1 RM/LM Command ........................................................................................................... 52
4.1.2 ST Command .................................................................................................................. 52
4.1.3 STB Command................................................................................................................ 55
4.1.4 A0/A1/A2/A3 Command.................................................................................................. 56
4.1.5 KW [n] Command............................................................................................................ 56
4.1.6 KR [n] Command............................................................................................................. 57
4.1.7 DR [n] Command............................................................................................................. 58
4.1.8 KO1/KN1 Command........................................................................................................ 58
4.1.9 KOR1 Command............................................................................................................. 59
4.1.10 AVE Command................................................................................................................ 59
4.1.11 AVER Command............................................................................................................. 59
4.1.12 AVT Command................................................................................................................ 60
4.1.13 AVTR Command ............................................................................................................. 60
4.1.14 FLD1/FLD2/FLD3/FLD4 Command ................................................................................ 60
4.1.15 FLDR Command.............................................................................................................. 61
4.1.16 NL Command .................................................................................................................. 61
4.1.17 ND/NF Command............................................................................................................ 62
4.1.18 WHO/SRL/VER Command.............................................................................................. 62
4.2 Output Format......................................................................................................................... 63
4.2.1 Output Format of Remote Measurement........................................................................ 63
4.2.2 Output Format for Reading Internal Stored Data............................................................ 64
4.3 Installing USB Driver............................................................................................................... 65
5. Error Display .................................................................................................................................. 67
5.1 Error Display of Instrument..................................................................................................... 67
5.2 Error Code in Communication................................................................................................ 68
6. Appendices .................................................................................................................................... 69

Specifications and Performance ...........................................................................................................69
Block Diagram.......................................................................................................................................71
External Dimensional Diagram.............................................................................................................. 72

Conventions in This Manual
Description in this Manual is in accordance with the following notation.
Notation
Description
[FUNCTION],
[UP]
This indicates the menu titles displayed on the panel switch or the liquid
crystal display (LCD) unit.
☞「」
This shows the reference section within the Manual.
☞『』
This shows the reference document.
Remember
This explains what you should know or consider before starting the
operation.
Note
This explains the reference or convenient matters helpful for your
operation.

1
1.Before Use
1.1 Checking the Instrument and Accessories
Please check the instrument and all of the accessories shown below are provided.
If any of them is not found, please contact the local retailer from which you purchased the
instrument or TOPCON TECHNOHOUSE CORPORATION.
•Main body 1
•Objective lens cap 1
•SR-NIR Quick manual 1
•Colorimetry program CS-900A /Instruction manual (CD-ROM) 1
•AC adapter 1
•USB cable 1
•Inspection report 1
•Carrying case 1
SR-NIR

2
1.2 Names and Functions of Components
■Instrument body
Diopter adjustment ring
Used to bring the viewfinder’s reticle mark into focus.
Focus adjustment ring
Used to bring the measurement target into focus.
USB connector
Used to connect a personal computer (PC) or others when carrying out
remote mode measurement.
PC connection: ☞“1.3.2 Connecting PC”.
RS-232C connector
Used to connect a personal computer (PC) or others when carrying out
remote mode measurement.
PC connection: ☞“1.3.2 Connecting PC”.
External synchronizing
signal input connector
Input the synchronizing signal through this connector when measuring
a flashing light source such as CRT.
Reset switch
This is the reset switch for this instrument’s software.
Liquid crystal (LC) contrast
adjustment volume
Use this volume to adjust the contrast of the LC display unit. Use this
when the characters on the LC display unit are not seen clearly.
Eyepiece lens
Handle
Objective lens
Reset switch
RS-232C connector
External
synchronizing
signal input
connector
Liquid crystal (LC)
contrast adjustment
volume
USB connector
Diopter adjustment ring
Focus
adjustment ring

3
Power switch
This is the power switch of this instrument.
DC input connector
Insert the output plug of the AC adapter, which is the accessory of this
instrument, into this connector.
Viewfinder shutter selector
knob
Set this knob at the “CLOSE” position to block the light entering
through the viewfinder. When the measurement target is extremely
dark or when there is a luminous body on the viewfinder side, set the
viewfinder shutter to “CLOSE” in order to prevent the stray light from
the viewfinder.
Liquid crystal (LC) display
unit
This LC display unit is equipped with illumination and indicates a
variety of information such as the measured values, measurement
conditions or others.
Panel switches
The switches are used to start/stop measurement and perform other
operations and to perform a variety of settings with the function mode.
Tripod mounting screw
The screw is used to mount the instrument on a tripod. The 1/4-UNC
camera mounting screw is adopted.
Tool screw
The screw is used to mount the instrument on systems or others.
The size is M4×0.7 (diameter: 4mm, pitch: 0.7mm).
☞“External Dimensional Diagram” of “6.Appendices
Remember
When using the tripod mounting screw hole and the jig mounting screw hole,
use the specified screw. Do not tighten the screw excessively. The inside of
the instrument may be broken.
Liquid crystal
(LC) display unit
Viewfinder shutter
selector knob
Power switch
Panel switches
DC input
connector
Tripod mounting
screw
Tool screw: 3 pcs.
M4×0.7 (Depth 6)

4
■Names and functions of panel switches
Switches
The panel switches have the following two types of functions.
○Functions used for measurement (Functions indicated beside the switches)
○Functions used for function mode (Functions indicated under the switches)
Changing to function mode: ☞“3.1.2 Entering/Returning from the Function Mode”.
The functions of the switches are described below.
MEAS./HOLD switch
Used to start measurement or to stop continuous measurement
(Auto Run). ☞“2.2 Continuous Measurement (Auto Run)”.
FIELD switch
This switch changes the measuring angle.
Luminance measuring range/measuring diameter:
☞“Specifications and Performance” of “6. Appendices”.
UP switch and DOWN
switch
These switches move up/down the measurement data number
indicated on the LC display unit. The measurement results are
stored in the instrument’s memory up to 50 data.
ABS./DIF. Switch
Used to change the absolute value/difference to each other as the
displayed data. The absolute value is displayed in the initial status.
LAMP switch
Turns ON/OFF the LC display unit illumination (back light). The
illumination is ON in the initial status.
LC display unit
ABS./DIF. Switch
FIELD switch
LAMP switch
DOWN switch
UP switch
Panel switches
(SHIFT switch)
(CHANGE switch)
(ROTATION switch)
(FUNCTION switch)
(ENTER switch)
MEAS./HOLD switch
ROTATION
SHIFT
CHANGE
ENTER
FUNCTION
UP
DOWN
HOLD
MEAS.
DIF.
ABS.
LAMP
FIELD

5
Functions of function mode
FUNCTION switch
Used to shift/reset to/from function mode. To shift to the function mode, press this switch for
about 2 seconds. To reset from the function mode, it is not necessary to press the switch
longer than usual.
ENTER switch
Used to change to the next page of the displayed data and to store data into memory after
inputting numerical values.
CHANGE switch
Used to change the set values.
When pressing this switch, the displayed value is deleted and cursor blinks. Enter new data.
ROTATION switch
Used to select the setting contents. Each time you press this switch, the selectable candidates
are displayed in order. The displayed contents are changed according to the parameter types.
Example: AUTO→FREQ→MANU→SYNC
・→0→1→2→ ･･･→8→9
38400→4800→9600→19200
SHIFT switch
Used to shift to other digits when entering multiple-digit values. The cursor is moved from
upper digit to lower digit.

6
LC display
•Initial screen
This screen appears when turning on the power and when pressing the reset switch.
•Screen displayed during measurement
This screen appears during measurement.
•Measurement cancel
When pressing the [MEAS./HOLD] switch during measurement, the message shown below is
displayed and measurement is stopped.
•Measured value display screen
This screen appears after measurement is finished.
＃１０ ＡＵＴＯ ＡＢＳ ２．０
[ｆ１] 2．０
６００ｎｍ ＝１．４４６８Ｅ＋０２
１０３０ｎｍ＝ ２．４４６６Ｅ＋０２
＃１０ ＡＵＴＯ ＡＢＳ ２．０
2．０
６００ｎｍ ＝１．４４６８Ｅ＋０２
Correction factor display
None: No correction
[f1]: Spectral correction is done.
Absolute value
measurement
Current measuring angle
Measuring angle when
the displayed data was
measured
Spectral radiance
Spectral radiance
Spectral radiance
Measurement
mode
Measurement
number
When displayed
with two lines
When displayed
with one line
#10 AUTO ABS ２. 0
2. ０
６００ｎｍ＝１．４８３４Ｅ＋０２
＊Canceled Measuring
＊Ｍｅａｓｕｒｉｎｇ ＊
ＩｎｔｅｇＴｉｍｅ＝ １００
Integral time: millisecond
＊＊＊ Ｓｔａｒｔ ＳＲ－ＮＩＲ＊＊＊

7
1.3 Preparations
1.3.1 Connecting AC Adapter
Forced
Be sure to use the AC adapter which is the standard or
optional accessory.
The defective AC adapter may cause fire or electric shock.
Forced
Be sure to remove the dust or moisture around the
plug and outlet of AC adapter.
This may cause the fire.
Prohibited
Never pull out or insert the plug by wet hand.
This may cause electric shock.
Connect theAC adapter to the instrument by the following procedures.
1. Make sure that the instrument is turned OFF.
2. Insert the output connector of the AC adapter into the DC input connector on the instrument.
3. Connect the AC adapter plug to the outlet.
FUNCTION
SHIFT
LAMP
FIELD
DIF.
DC IN
POWER
←OFF
FUNCTION
SHIFT
LAMP
FIELD
DIF.
DC IN
POWER

8
1.3.2 Connecting PC
When using SR-NIR by connecting to PC, connect the instrument to PC with RS-232C cable or USB
cable. Use the RS-232C cable which is the interlink cable serial cross type applicable to the DOS/V
personal computer.
The RS-232C signal line of this instrument is arranged according to the 9-pin D-SUB connector
specification that is used in the DOS/V personal computer or others. When connecting the instrument
to a computer, carry out wiring as referring to the drawing below.
Note
•The PC connection cable is not an accessory of the instrument. Please purchase the
cable separately when you want to use it.
•When connecting to PC, refer to your PC manual in addition to the instrument’s manual.
Remember
Do not connect/disconnect the connectors while the instrument is powered.
The RS-232C specifications of the instrument are shown below.
•Communication method Full duplex
•Synchronization Asynchronous communication
•Communication speed 4800/9600/19200/38400 BPS (Bits Per second)
•Bit configuration Data length: 7 bits/8 bits
Parity: Even number (EVEN)/Odd number (ODD)/None (NONE)
Stop bit: 1 bit/2 bits
•Communication type ASCII
•Delimiter: When data is sent, “CR+LF” or “CR” is set at the end of the
communication data line.
Selection of terminal code of remote command: ☞“3.8 Terminal Code of Remote Command”.
TXD
RTS
DTR
SG
DSR
CTS
RXD
RXD(RD)
DSR(DR)
CTS(CS)
SG(SG)
DTR(ER)
RTS(RS)
TXD(SD)
DOS/V
SR-NIR
D-sub9Pin
Male
D-sub9Pin
Male
D-sub25Pin
Female
D-sub9Pin
Female
D-sub9Pin
Female
D-sub9Pin
Female
D-sub25Pin
Male
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
3
2
20
7
6
4
5