
This package contains a software update file for the Hach DR3900 Spectrophotometer.

This software update is only for customers who have purchased the device from the manufacturer or authorized dealer.

Please read and follow the update instruction described in chapter 6.8.2 of the DR3900 full user manual.
Please note that a faulty software update procedure may be associated with a partial or complete malfunction of the device. 
A repair in such a case can be very complex and costly.

We accept no liability for any damage caused by an unsuccessful update of your device.

We recommend that you contact your Hach representative or authorized dealer from whom you purchased the device with the device to be updated.

DO NOT update your device if you don´t want to have the new features implemented. A downgrade to an older/prior software version is not possible.    

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+                                                                                                              +
+  IMPORTANT NOTE:                                                                                             +
+                                                                                                              +
+  The update file "dr3900.tar.gz" for your DR3900 spectrophotometer is compressed.                            +
+                                                                                                              +
+  Please DO NOT decompress it! Your DR3900 instrument will open the file directly from the compressed format. +
+                                                                                                              +
+  The file "dr3900.tar.gz" updates the operating system of the Hach DR3900 to the most recent version.        +
+                                                                                                              +
+  The OpenSource-licenses and source packages can be downloaded from:                                         +
+                                                                                                              +
+       https://github.com/HachCompany-DRSeries/DRseries/tree/master/OSS_Licenses_And_Sources                  +
+                                                                                                              +
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Installing the software package:

  1. Unpack the UPDATE_DR3900.ZIP file containing the dr3900.tar.gz update file and this README text file.
  2. Copy the file "dr3900.tar.gz" to an USB memory stick.
  3. Start the DR3900 and wait until the "Main Menu" is displayed.
  4. Connect the USB memory stick to the USB interface of your DR3900.
  5. Select "System Checks" in the lower left corner of DR3900 main menu
  6. Select "Instrument Update"
  7. Select "OK"
  8. Wait until the update has been completed, this takes several minutes.
  9. Shut down the DR3900, wait 10 sec and restart.


"System Checks" / "Instrument Information" should now display:

   Instrument Version : V1.35
   Program Version    : HACH LANGE DB: 33 , HACH DB: 18

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++                                               Actual Changes                                              ++
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Changes to the software V1.35 released 2025/12/02:
	• Increase the number of permitted user programs to at least 200.
	• Increase the number of characters permitted for the NetworkShare password to 30.
	Helpguide DR3900/DR6000, Version 8:
	• Correction of LCK310 / moved TNT866 to TNT867
	Language DR3900/DR6000, Version 24
	• Added Ukrainian language
	Driver-Update DR3900/DR6000 51/9


Changes to data base 33/18:
•     LangeDB Version 33: 
	Modified Test w/ Barcode-change for:
	 LCK328 Change of Calibration Curve
	 LCK301 Change of Calibration Curve
	 LCK315 Change of Calibration Curve
	 LCK153 Change of Calibration Curve
	 LCK353 Change of Calibration Curve



•     LangeTNT Version 33:
	Modified Test w/ Barcode-change for:
	 TNT848 Change of Calibration Curve
	 TNT862 Change of Calibration Curve
	 TNT873 Change of Calibration Curve
	 TNT864 Change of Calibration Curve
	 TNT865 Change of Calibration Curve
	 TNT833: Correction of RBL\RBH

•     HachDB Version 18:
	New Tests: Progam 294 Manganese
	Deleted Tests: Program 292 Manganese 
	added vial Adapter recognition for program 66,88, 388 and 389.

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++                                                Change History                                             ++
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Changes to the software V1.34 released 2023/12/14:
•     Boot Logo changed on the Hach Lange Instrument version to HACH
•     Minor fixes on device driver to increase system stability

Changes to data base 32/16:
•     LangeDB Version 32: 
	New Test implemented:
	 LCK351 Phosphate HR
	Modified Test w/ Barcode-change for:
	 LCK328 Change of Calibration Curve
•     HachDB Version 16:
	Modified Test:
	 Program 087: Chlorine MR PP calibration data update

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Changes to the software V1.33 released 2023/04/13:
•     Bugfix: Remote control interface did not work in previous release V1.32 as expected because of wrong data processing.

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Changes to the software V1.32 released 2023/03/16:
•     Bugfix: Wavelength misalignment of 2-3nm in V1.31 corrected.
 
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Changes to the software V1.31 released 2023/02/21:
•     Bugfix: Duplicate header description text in Data log file (csv + xml) replaced by unique identifiers.

Changes to data base 31/15:
•     LangeDB Version 31: 
	New Tests implemented:
	 LCK504 Ammonium
	 LCK1714 COD in Saltwater
	Test modification w/o Barcode-change for:
	 LCK541: Change of Calibration Curve
	 LCK1914: Measuring range changed to 250mg/L to 1000mg/L 
	TNT822: Reagent blank high set to 50 mg/L
•     HachDB Version 15:
	New Tests implemented:
	 Program 383: Test HPT383 N, Ammonia ULR
	 Program 795: Test 3630000, Film Forming Amine 

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Changes to the software V1.30 released 2022/10/21:
•	Bugfix in Service Testprogram: HWC 'RFID' test
 
Changes to data base 30/14:
•       LangeDB Version 30: no change 
•       HachDB Version 14: no change

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Changes to the software V1.29 released 2022/09/22:
•       Support Domain/User length up to 256 characters
•       Support of space characters in folder name	
•	Support of USB 4G Modem Adapter
•	SampleID management enhancement
•	Bugfix for Claros Heartbeat Time offset 
•	Bugfix in Network Share Mount Application 
•	Bugfix HW_revision setting error R71 to R73
•	Upgrade to Kernel Version 16 with factory service update 
•	Minor fixes to increase system stability
 
Changes to data base 30/14:
•       LangeDB Version 30: no change 
•       HachDB Version 14: no change

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Changes to the software V1.28 released 2021/06/28:
•       Support of upcomming hardware change to USB Device STM32 on mainboard
•	Support of USB to RS232 Serial Adapter for Remote and Monitoring
•	Bugfix for Claros Heartbeat and Connection Help  
•	Factory Service access requires VAA608 (Hardcoded Password, Security improvement) 
•	Upgrade to Kernel Version 14 with factory service update 
•	Service HWC Poti Value '0' for Ref-Range R0  
•	Minor Bugfixes to increase system stability
 
Changes to data base 30/14:
•       LangeDB Version 30:
	  New Tests LCK540 / LCK438 
	  New Tests TNT838 / TNT818 
•       HachDB Version 14:
	  no change

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Changes to the software V1.27 released 2020/07/02:
•       no change  
 
Changes to data base 28/14:
•       LangeDB Version 28:
	  New Tests LCK503 / LCK505 (Ammonium new range)
	  Lot Specific Calibration “Truecal” implemented for LCK014 / LCK302 / LCK305 / LCK614 / LCK714 / LCK914 / LCK1014
	  New Tests TNT829 / TNT837 (Ammonium new range) / TNT883 (Menthol) 
	  Lot Specific Calibration “Truecal” implemented for TNT823 / TNT824 / TNT831 / TNT833 
•       HachDB Version 14:
	  no change

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Changes to the software V1.27 released 2019/12/11:
•       Bootloader Version 4 and Kernel Version 13 to support hardware modification       
        Update Service test program to V0.97
	Support of static routes for Claros 
	Fix of Network Shares on Windows 10
 
Changes to data base 27/14:
•       LangeDB Version 27:
	  Correction of Addista application LCA704/LCK349
•       HachDB Version 14:
	  Standard addition function for program 87
	  Extended measuring range for program 96,97,98 ADMI Color to 1000

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Changes to the software V1.26 released 2019/07/03:
•       No Changes to UI, Kernel or Drivers       

Changes to data base 26/13:
•       LangeDB Version 26:
	  New Tests LCK343  / LCK411 / LCK502 / LCK549 / LCK1914 (A and B) 

•       HachDB Version 13:
	  New Tests TNT815 / TNT816 / TNT834 / TNT841 / TNT851 / TNT855 / TNT882 / TNT885
	  New Tests HPT251 / HPT487 / HPT293 (A and B) 

Change to language file to display new tests.

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Changes to the software V1.26 released 2018/11/28:
•       Bugfix USB-WLAN Adapter recognition LM005 + LM808
	Bugfix WLAN Config list scroll error if the number of SSIDs > 8

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Changes to the software V1.25 released 2018/11/08:
•       Bugfix Truecal correction did not work after change of formular 
	Bugfix WLAN recognition of SSIDs with a blank character
	Bugfix Print of user tests
	Bugfix Networkshare (Trend, Ratio, AQA Control Card)

Changes to data base 25/12:
•       LangeDB Version 25:
	  New Test LCK1814 „A“ for HT200S and „B“ for LT200
	  Added Truecal (LSC) for LCK238/338/348 and TNTplus827/828/844 and TNT880
	  Updated data for TNT821

•       HachDB Version 12
	  New max. limit of 500 for program 96,97,98 ADMI Color

Helpguide update to Version 6.

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Changes to the software V1.24 released 2018/07/05:
•       Bugfix Sound driver
	Bugfix Touch screen driver 

Changes to data base:
•       No change
	
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Changes to the software V1.23 released 2018/04/20:
•       Bugfix missing Helpguide
	Bugfix Backup-Restore fuction 

Changes to data base:
•       LangeDB Version 24:
	New Test LCK1814 for COD in Seawater
	Changed Barcode with new calibration data due to commodity exchange of LCK333 (RFID Update!)
	Truecal (LSC) for LCK 114/314/514/1414/303/304/339/340/341/342/349/350/138.

•       HachDB Version 11:
	New TNTplus 879, 863, 849, 869, 875, 853, 876, 861, 824, 873, 871, 884
	Truecal (LSC) for TNTplus 820/821/822/830/832/835/836/839/849/843/845/826 and TNT880

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Changes to the software V1.22 released 2018/02/19:
•       Bugfix of missing Printer driver.
        Add new printer driver
        Add Windows 10 SMB2 network support
        Update Service test program to V0.95

Changes to data base:
•       No change

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Changes to the software V1.21 released 2017/12/08:
•       Driver update
•       Language file update V21
•       Printer update
•       Sound update
•       PDF viewer update

Changes to data base:
•       No change

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Changes to the software V1.20 released 2017/06/14:
•       AQA control card print reworked
•       AQA Daten memory improved
•       Saldierende Messung Barcode-Tests
•       USB-Temperature sensor support
•       Datalog Sort order for paper print modified
•       Support of new RFID Tag BDH029 
•       Workflow for Sample ID – Date modified
 
Changes to data base:
•       LangeDB Version 23  10.05.2017:
	LCK394 Permanganat Index new as BC Test
	LCW632 Mangan Spur new as LCW Test
	LCK388 w/ optimized calibration w/o BC change (VRP)
	LCK240 / LCK242 now as BC Test

•       HachDB Version 11  11.05.2017:
	HPT292 Test Mangan LR new 
	Program 790 PAA new
	Program 791 H2O2 new
	Program 96/97/98 new ADMI-color (10mm / 1 Inch / 50mm)

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Changes to the software V1.19 released 2017/02/21:
•	Bugfix: Link2SC history can be deleted now.
	Self-check window shows Instrument firmware Version and serial number 
	Graphic drawing of measurement readings now with dilution information 

Changes to data base:
•	no changes to data base

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Changes to the software V1.18 released 2016/11/01:
•	Bugfix: During restore of a backup an error could occure in version 1.16/1.17. 

Changes to data base:
•	LangeDB Version 22
	LCK387 & LCK214 with new Barcode (Handling,…new)
	LCK380 / LCK381 / LCK354 - all BC-neutral with new data (VRP)
	TNT874 w/2. evaluation (LAS for Brazil)

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Changes to the software V1.17 released 2016/10/10:
•	Bugfix for wrong 2D Barcode on TNT843 #16243 and TNT845 #16243, #16259 

Changes to data base:
•       No change!

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Changes to the software V1.16 released 2016/07/20:
•	Extension for SE Linux, Firewall
•	Signatur test for future Updates
•	Enlarged safety checks of data base
•	Test program: Touch Calibration for Kernel #8.
•	User software: FTP Function removed, 
•	Bugfix for 3G Connection

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Changes to the software V1.15 released 2015/10/16:
	1.  Software functionality implemented for Fusion
	2.  Process Sensor Monitoring added

Changes to data base:
•       LangeDB Version 21
	New Tests LCK425 / LCK1414 / LCK432 / LCS425 Spur
	Update LCK 332/306/315/321/362/365 (BC neutral) und LCW250
	Update Tests to Barcode mode: LCK357 / LYW185 / LCK391 (I and II) / LCK228
	Update: TNT850 / 862 / 872 / 870 with factor update
	Change: TNT820 w/o zero solution 
	NEW: Surfactants TNT874 
	NEW: TNTplus Tests  Boron (TNT877) / Fluorid (TNT878) / VDK (TNT819) / Ammonium UHR (TNT833)

•   	HachDB version 10
	New Test HPT291 


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Changes to the software V1.13 released 2015/03/24:

1.  	Adjustments in the service test program to recognice the hardware modification. 
    	No change in user interface or chemical forms.

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Changes to the software V1.12 released 2015/01/27:

1.  	Bugfix: display freezing when inserting a round vial
    	Update only necessary for instruments produced between Jan 14, 2015 and Jan 27, 2015. 

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Changes to the software V1.11 released 2015/01/08:

1.	Implementation of qwerty-keyboard layout for text entries
2.	Bugfix: Text length in free programming in Russian UI

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Changes to the software V1.10 released 2014/09/24:

1.	Camera control modified due to CE 2014 requirements. 
2.	Improved 2D-Barcode-recognition.
3.	Bug fix: Recurring language selection after each power on. 
4.	Bug fix: Lost of Permanent-/Favorites settings after firmware updates.
5.	Bug fix: Lost of Factor, Dilution and Volumes. Remaining of last entries.
6.	Bug fix: Lost of User programmed tests after Service.
7.	Bug fix: Print out issue if a huge quantity of pages was printed (> 30p)  
8.	AP3900 mode: Remove of recurring Self checks.
9.	AP3900 mode: Permanent setting of AP3900 tests (LangeRoh)

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Changes to the software V1.09 released 2013/12/20:
 
1.	LCK323 factor update
2.	Test 439 Permanganate Index HR new
3.	Test 685 Sulfate improvement
