Delta LTL2000S Specifications

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DELTA - Hjortekærsvej 99 - DK -Kgs. 2800 Lyngby - Denmark - Tlf (+45) 45 88 83 33 - Fax (+45) 45 87 08 10
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Summary of Contents


DELTA - Hjortekærsvej 99 - DK -Kgs. 2800 Lyngby - Denmark - Tlf (+45) 45 88 83 33 - Fax (+45) 45 87 08 10LTL2000 RETROMETERManual

Page 2

DELTA LTL2000 Retrometer 4Edit the value until it corresponds with the Normal value and then press <ENTER>. The Calibrationis now completed and

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DELTA LTL2000 Retrometer 5

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DELTA LTL2000 Retrometer 6CommunicationUse a simple terminal or PC with communication software to control the LTL2000. (Windows HyperTerminal will do

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DELTA LTL2000 Retrometer 7SECTION 2GENERAL INFORMATIONRl MeasurementLTL2000 Retrometer measures the Rl (coefficient of retro reflected luminance) par

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DELTA LTL2000 Retrometer 8The LTL2000 is controlled by a microprocessor. The microprocessor executes the measurementautomatically by the push of a bu

Page 7 - LTL2000 Introduction

DELTA LTL2000 Retrometer 9The LTL2000 Retrometer is a rugged instrument, but it is an optical instrument and must be handled assuch.The LTL2000 is fa

Page 8 - LTL2000 Retrometer features:


Page 9 - Calibration:

DELTA LTL2000 Retrometer 11Warning for full Test log (can be disabled)Warning for pour measurement conditionsCALIB Activates calibration measurement.

Page 10 - Test, warning and errors

DELTA LTL2000 Retrometer 12Result PrintoutRl PrintoutThe Rl result printout showing the measured Rl, the date and time for the measurement, the instr

Page 11 - DELTA LTL2000 Retrometer 5

DELTA LTL2000 Retrometer 13Test PrintoutThe Test Printout showing the measured Rl, the date and time for the test, the related status code anda T# nu

Page 13 - Rl Measurement

DELTA LTL2000 Retrometer 14Zero PrintoutThe printout after a Zero measurement showing the measured Zero Signal in % of the nominal signal, ifthe zero

Page 14 - Optical principle

DELTA LTL2000 Retrometer 15Functions and Menu systemRl Calibration(Activate with the <Calib.> key)LCD Display Explanation.Rl Normal Cal.Enter T

Page 15 - DELTA LTL2000 Retrometer 9

DELTA LTL2000 Retrometer 16Test Log(Select with the <Menu> key)LCD Display Explanation.Free T_LOG:95.6%Enter to ClearThe display shows the free

Page 16 - Keyboard functions

DELTA LTL2000 Retrometer 17é to Change Press é to disable <ENTER> to accept.Clear Top Log(Activate with the <é> key after a Rl measureme

Page 17 - DELTA LTL2000 Retrometer 11

DELTA LTL2000 Retrometer 18Date and Time(Activate with the <Menu> key)LCD Display Explanation.Date and timeEnter to EditThe built-in real time

Page 18 - Result Printout

DELTA LTL2000 Retrometer 19Status(Select with the <Menu> key)LCD Display Explanation.Status DisplayUse éê to ViewThe results and status made wi

Page 19 - Test Printout

DELTA LTL2000 Retrometer 20The amount of free log entries in %.Test Log Full orFree T_Log: 87.5%A warning is given if the Rl Test Log has run fu

Page 20 - Calibration Printout

DELTA LTL2000 Retrometer 21LTL2000 Command setThe LTL2000 is equipped with a serial communication port primarily for log data acquisitio

Page 21 - Functions and Menu system

DELTA LTL2000 Retrometer 22LTL2000 command setCommand Parameter Response MeaningVBat Lamp Off: 12.21 VVBat Lamp On: 11.30 VBattery volta

Page 22 - Print Rl Log

DELTA LTL2000 Retrometer 23LTL2000 command setCommand Parameter Response MeaningLS none Rl DataLog: 6 data points.99.56% freeRl TestLo

Page 23 - Measurement ID

DELTA LTL2000 RetrometeriDISCLAIMERThe information contained in this document is subject to changewithout notice.DELTA LIGHT & OPTICS MAKES NO WA

Page 24 - Default setting

DELTA LTL2000 Retrometer 24LTL2000 command setCommand Parameter Response MeaningLT none LTL2000 Test Log Dump: 1997 Mar 27 10:01:033 ent

Page 25 - DELTA LTL2000 Retrometer 19

DELTA LTL2000 Retrometer 25LTL2000 command setCommand Parameter Response MeaningRL none *** Rl Measurement ***1997 Mar 27 10:00:59Rl: 14

Page 26 - DELTA LTL2000 Retrometer 20

DELTA LTL2000 Retrometer 26LTL2000 command setCommand Parameter Response MeaningWarning: Low VBat Warning for low battery voltageTI none

Page 27 - LTL2000 command set

DELTA LTL2000 Retrometer 27LTL2000 command setCommand Parameter Response MeaningMC Average Measuring CountOT n Auto Off TimerQuery/Set t

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DELTA LTL2000 Retrometer 28SECTION 4MAINTENANCEGeneral careThe Retrometer is constructed for outdoor use in ordinary go

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DELTA LTL2000 Retrometer 29FusesFuses, two pieces, are placed at the rear of the instrument. The charging fuse protects

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DELTA LTL2000 Retrometer 30Light trapZero signal is simulated by a light trap made of two glossy and black plastic shee

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DELTA LTL2000 Retrometer 31calculates the calibration factor. This process is fully automatic and if the calibration r

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DELTA LTL2000 Retrometer 32PrinterThe printer is a high speed high quality Mini Thermal Printer. It uses 57.5 mm therma

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DELTA LTL2000 Retrometer 33

Page 34 - Protection window

DELTA LTL2000 RetrometeriiINDEXSECTION 1...

Page 35 - Calibration unit

DELTA LTL2000 Retrometer 34APPENDIX ACOMMUNICATION FACILITIESRS-232C specificationThe LTL2000 is equipped with a commun

Page 36 - Calibration

DELTA LTL2000 Retrometer 35Connections in the 9 pin D-Sub # Function Signal Direction3 Receive

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DELTA LTL2000 Retrometer 36Connection example #2. PC with 9 pin D-Sub communication port.Cable connections:PC Port DTE

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DELTA LTL2000 Retrometer 37

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DELTA LTL2000 Retrometer 38Command formatAll LTL2000 commands are built using the following template.Command (one ore m

Page 40 - RS-232C specification

DELTA LTL2000 Retrometer 39APPENDIX BSpecial Status Printouts.The LTL2000 can print a special status at power up showin

Page 41

DELTA LTL2000 Retrometer 40Initial StatusAfter executing a ZERO function the status will looklike this.It shows that no

Page 42 - Data protocol

DELTA LTL2000 Retrometer 41Status after first ZeroAfter executing a ZERO function the status will looklike this.It show

Page 43

DELTA LTL2000 Retrometer 42Status after CalibrationAfter executing a Calibration function the status willlook like this

Page 44 - Command format

DELTA LTL2000 Retrometer 43Status after Rl measurementAfter executing a Normal Rl Measurement the statuswill look like

Page 45 - Special Status Printouts

DELTA LTL2000 RetrometeriiiSpecial Status Printouts...

Page 46 - Initial Status

DELTA LTL2000 Retrometer 44Status after a Test measurementAfter executing a Test Measurement the status willlook like t

Page 47 - Status after first Zero

DELTA LTL2000 Retrometer 45APPENDIX CSPECIFICATIONGeneral CharacteristicsIllumination angle ...

Page 48 - Status after Calibration

DELTA LTL2000 Retrometer 46Environmental CharacteristicsTemperature:Operating...

Page 49 - Status after Rl measurement

DELTA LTL2000 Retrometer 47Dimensional drawings

Page 50

DELTA LTL2000 Retrometer 48Instrument Layout.

Page 51 - Electrical Characteristics

DELTA LTL2000 Retrometer 49Calibration Unit Placement Graphics.The graphics show t

Page 53 - Dimensional drawings

DELTA LTL2000 Retrometer 1SECTION 1OPERATING INFORMATIONLTL2000 IntroductionThe LTL2000 Retrometer is a portable field instrument, intended for measu

Page 54 - Instrument Layout

DELTA LTL2000 Retrometer 2The LTL2000 is powered by a rechargeable lead acid battery, giving several hours of measurementcapacity. A mains powered ba

Page 55

DELTA LTL2000 Retrometer 3Getting started:Turn the LTL2000 on by pressing <ON>Hold <ON> pressed until LCD shows:Calibrate instrument if n

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