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dataTaker Expert posted Jun 29 '21 at 3:39 am
Hi dataTaker Users,

As promised, this is the new version of dEX 2.0. It is a few days late due to some unforeseen circumstances.

You can check the user manual, the release notes, and known issues within the software. After you install the software click the Application menu to access those documents.

Please find the installer download link

Windows version:
Hi dataTaker Users,

We will release a new dEX 2.0 version next week. This version has many fixes (check the software release notes and known issues), two new language sets (French and Chinese), and an integrated dEX user manual.

In this topic, I would like to share three technical notes related to dEX 2.0:

dEX Requirements:
Ixus posted Jun 2 at 6:44 am

We have multiple DT80M datalogger over the country and for some reason, they many of them have started to lost the SIM pin code. This affects only for this settings, all others ones are fine. It happens randomly, between month or like once in a year. After entering the SIM Pin again, everythings works like excepted. This phenomen was not going on a couple of years ago with these logger
scholse1 posted Jun 1 at 2:26 pm

i want to use a DT85 to query a Modbus RTU Sensor(Meier-NT Soitemperature Probe).

From my point of view i did all the necessary configuration but somehow i dont get any response from it.

Here is my Setup:

Hardware configuration:

A-Wire: TxZ
B-Wire: RTSy
Power: 12V Source
Ground: Common Ground with DGND
Software configuration:

*BPS = 19200
Hi, I have a project where I have 2 DT80GW units and I wish to connect the two together, one of which I want to send off data via a Email. I wish to use the integrated WiFi to connect the two together and then thinking of using a 4-G modem to send off data and alarms? Is it possible to link the units together this way?

recent by Wolfy27  ·  May 31 at 10:02 pm
The integrated DT80 in our system has lost its configuration (no current job).
It seems thats the DT80 have run out of memory space, and is unable to load the configurated jobs at start up. As descibded in its logs with the error E116 :

EVENT ,2023/04/21,00:39:25,0.003906,"Reset 9.22.9125 POWERUP/BUTTON (c0a00005)"
EVENT ,2023/04/21,00:39:25,0.552124,"Beginning entry of job "
recent by Theo  ·  May 31 at 4:37 pm
2757alanr posted May 25 at 10:43 pm
Hello, I am new to the DT82em so please forgive my ignorance. I have been asked by my company who own the Datataker to wipe the memory and create a new schedule. The issue is the last person has password protected the unit and we need to wipe the device. WE want to lose the data and software. The version number is a 9.22.
Thank you

Theo posted May 3 at 10:45 am
I am trying to install the Linux version of DEX2.0 on a centOS distribution.
However i am unable to complete the installation because of missing library and other ressources. I think the methods i am using are incomplete.

Could you provide the steps and terminal commands to use for the installation and the execution of DEX2?


Hi, We're using DT85G Series 4 for monitoring settlement and strain gauge readings.

I was wondering if anyone here can help me monitor the data using microsoft excel (Data connections). For now, we are more inclined in using Delogger5 as it is easier to program than Dex.

For now we are monitoring the data using the Txt window in Delogger5 but we prefer to do it Microsoft excel for data
Salman_Farrukh posted Apr 24 at 7:13 pm
I hope you are well.
I have a DT85 series 4 datalogger and I want to measure the torque + rotation speed + power from my torque sensor, which has a 12 pin connector (picture attached). I have also attached the manual for the torque meter (DRBK from applied measurements). I have also attached the datalogger manual.
Any help would be greatly appreciated.

I hope you are well.
I have a DT85 series 4 datalogger and I want to measure the torque + rotation speed + power from my torque sensor, which has a 12 pin connector (picture attached). I have also attached the manual for the torque meter (DRBK from applied measurements). I have also attached the datalogger manual.
Any help would be greatly appreciated.

Mel posted Apr 5 at 2:52 pm

I work in information security in a university. One of our students wants to install dEx 2.0 v2.1.25. We have a hard time finding information to validate the safety of your software. Do you have an EULA and a privacy policy ? In what country are you located. Do you update you software as soon as a vulnerability is found ? Is there a way to have automatic updates configured ? Any other
houghje posted Apr 3 at 5:29 am
DT85M failed to communicate via SIM with message: "Modem will retry [SIM problem]".
SIM was removed and reinserted and slide catch engaged and checked that was fully engaged.

SIM had been working for a number of years without problem then the issue started a couple of weeks ago when emails containing data ceased.

I am working on a train project presently trying to program my dt80m3-3 with code to take in GPS data and use that data to monitor and record train speed and trigger appropriate data storage responses depending on train stop/run. Also want to record GPS position.
Can someone please assist with some appropriate coding. I am using deX-2.

cpalha posted Jan 31 at 9:00 am
Dear all

We have a DT800 since many years and we use it a few times for temperature measurings
Now, i have a new chalenge to build a weather station with some sensores the we have in the lab

The sensors are:

SP Lite2 Pyranometer; sensitivity 68 uV/W.m-2
Thies anemometer 0.5-40m/s, a T351-TR Thermistor, a very old pluviometer that I will calibrate it.
And some k thermocouples
George1166 posted Feb 16 at 5:47 pm
Hi, I have a couple of DataTaker DT80's (one series 2, one series 4).

I plugged the S4 into a Windows 10 PC and Windows said it was installing a driver. Would this be DTusb or do I need to physically download it (where from?) and install it first?

I see from other posts that DEX 2.0 avoids the need for Flash. Where is the download for DEX2.0? Do I need to upgrade the DT80 firmware firs
Hi All

I goofed today, and set the logging interval much shorter than usual (2 vs my usual 15 or 30 seconds), ran out of memory half way through my trial and overwrote the early data.

I have downloaded and dumped the DDB - it's still missing the first two hours or so, so I'm fairly sure they are gone.

I was watching the data in a DEX2 dashboard while it was being collected - long shot
litters95 posted Apr 22 '22 at 10:53 pm
My DT80 series 2 just stopped responding
The sample light, disk and power lights are on but no display
It was a brand new logger (2009?) . I had updated to latest firmware.
It was working fine for about 3 weeks
Anyone got any ideas ? A hard reset has not fixed it

mhubig posted Apr 14 '19 at 11:35 am
Hi @all,
I'm currently evaluating a DT80M Datataker Logger for the use with our SDI12 Moisture sensors. Logging the data works fine so far but I hit a strange problem uploading the data to an FTP server. Every time the Logger tries to upload data, it fails with some strange 'FTP: server out of sync (-3)' error.

DT80> SESSION: Starting (manual)
SESSION: Ready (MEDIONmobi,3G-HSPA,-93dB
KP96 posted Jan 30 at 5:59 pm
Hi all, I last set up my DT85 on dex-2 about six months ago and have unfortunately forgotten how to do it. I am sure that the IP address and port 80 are fine but think there is something to do with the template that I am missing? Could any please provide me with the chronological steps I need to do as at the moment it keeps saying my DT85 is offline.

Thanks :)

recent by Rajreddy N  ·  Feb 1 at 1:25 pm
PaulOctopus123 posted Jan 12 at 2:09 pm
Hi all

One of our DT85 stop working yesterday.
The display is working(has display when bootstrap) but nothing display.
Sample, disk and power LED is On.
Hard reboot is not working too.

Any advices?

Many thanks

recent by Lontek  ·  Jan 23 at 10:11 pm
Theo posted Nov 14 '22 at 9:32 am
In order to drive cooling fans for my system, I need a dynamic voltage output (2 different values) depending on measured temperature.
I have a DT80 series 4 logging temperature values.
I was wondering if the DAC could achieves this function using alarms?
I was only able to set the dac output value with manual commands, and the doculmentation is not really exhaustive on how to driv
Ian-81786 posted Oct 28 '22 at 12:07 am
I recently purchased a secondhand DT80 series4. The previous owner says it has had a factory reset. When I power up the unit it reloads the last current job. I have attempted to interact via dEX2 but can't get passed the username/password. I have tried to access via deTransfer but usb connection is refused. I have tried the reset button both single and triple. Suggestions on how to cancel current
recent by Ian-81786  ·  Nov 8 '22 at 6:28 am
I'm sure this is a simple question, but I can't find the answer!
I want to establish a direct connection to the command interface over a local network using my software. The final aim is to have scripts running on a linux web server retreiving real time measurements from the DT80.
The DT80 is happily running on a local network, and there is no problem connecting with deTransfer and other ut
recent by Dt80  ·  Nov 2 '22 at 3:03 pm
Dt80 posted Oct 20 '22 at 1:25 pm

I just started using the DT80 series 4 and when I tried to connect the logger and it have been only showing "Connecting to logger.....please wait"

-I've rebooted the device,
-Connected it locally by the usb
-Configured a new IP address to connect it virtually
-I used firefox mozille to open the virtual page and it only shows "connecting to device.. please wait" the DT80 is
jc42 posted Oct 18 '22 at 5:09 am
We currently have DT80G devices in the field that upload to a FTP server. Is there a way to use a more secure upload channel?

I am still wrapping my head around this but there appears to be devices that can connect to MODBUS and could then handle the uploads. But I am not sure how all this stuff works and if I even technically understand how these things work

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