Discovery Tool

The Discovery Tool will find the TPDIN® on your connected network so you can access it even if you don’t know the IP Address.  We created a new Discovery Tool based on Java so it will work on virtually any platform: Windows, Linux, Apple IOS

Discovery Tool Version Release Date Description
2.6  (JAR File) Sep 14 2020 Java Based Discovery Tool ( Windows, Linux, MAC) – Added uptime
2.5  (JAR File) Feb 18 2020 Java Based Discovery Tool ( Windows, Linux, MAC)
1.1  (ZIP File) Oct 9 2012 Original Discovery Tool ( Windows EXE Only)

TPDIN-Monitor-WEB2 Firmware

The new standard for remote monitoring and control, TPDIN®, with current shunt capability

TPDIN-Monitor-WEB2 is updated using over the air updates. Download the latest firmware from this website and then access the unit webpage and goto the upgrade page, select the downloaded firmware file and upload to the unit. It’s that easy. Please right click and use “Save Link As” to download firmware hex files.


We are now making our beta firmware available for your testing. If you have any test feedback please email

Beta Version Release Date Updates
No beta versions available at this time

Released Firmware versions:
Firmware Version Release Date Updates
2.4.4 Jun 7 2021 No change from 2.4.3. Update is for testing new firmware update process.
2.4.3 Jun  5 2021 Changed location of firmware updates on server
2.4.2 Feb  2 2021 Added option to disable recovery emails and ignore repeat alerts on Alerts page.
Removed Calibrate page to free up memory.
Navigation tabs stay highlighted.
2.4.1 Dec  17 2020 Fixed bug with backup firmware being overwritten (v2.3.9 and v2.4.0).
User settings are retained when updating from older firmware.
2.3.7 Oct  3 2019 Fixed Bug: email alert settings reset after a firmware update.
Fixed Bug: duplicate email alerts after a reboot
Fixed an issue with ICMP broadcast when no ping function set.
Added Telnet enhancements
Added background debug logging /debug.htm
Modified relay logic to return to default if action or alt action = “–“
2.3.5 Feb 12 2019 Fixed bug with Relay control hysteresis. Added “cycle” option for Periodic relay control. Added hysteresis option for email alerts.
2.3.4 Nov 06 2018 Fixed email send from, relay temp control, periodic control, snmp temperature, relay page improvements
2.3.3 Sep 12 2018 Added delay settings to relays and hysteresis to alerts. Fixed some hysteresis bugs.
2.3.2 July 18 2018 Added scheduling option, rewrote relay control interface, see release notes.
2.2.9 Jan 22 2018 Fixed issue with corrupt flash, added hysteresis to voltage measurement, SNMP output expanded.
2.2.8 Nov 20 2017 Fixed issue with divide by zero on shunt setting, SNMP hostname, added config file function.
2.2.7 Sep 26 2017 Fixed issue with relay default changed when relay control is set.
2.2.6 Aug 16 2017 Added hostname and relay states to alert emails. Added -NC support.
2.2.5 June 08 2017 Changed relay max cycle time from 255 to 99999 seconds. Added cycling indicator at relay.
2.2.4 June 01 2017 Default DNS, Fix double click problem on FW Update, Improve Web Security, Add FW Checksum check
2.2.3 May 11 2017 Added date format capability. relays reset to last user setting after upgrade
2.2.1 Apr 19 2017 Added Mac Address to Network Page, Fix Unlicensed Text, Add port to discovery
2.1.9 Mar 17 2017 Complete re-write to implement SSL email support

Release Notes