DTU321-U

82,0091,00

Low power NB-IoT battery-operated 4-channel data logger with external antenna and IP65protective case.

  • 4 x pulse counting inputs, 2 x binary inputs
  • Continuous operation of 10 years and above from internal 13000 mAh battery
  • Data transmission viavia NB-IoT (UDP) on configurable schedule
  • Dual SIM card slots
  • External 3dBi antenna
  • IP65 waterproof plastic case
  • 24/7 access to data via IoT24.eu Cloud Software Platform

Device collects consumption data from pulse output meters and sensors, stores readings in non-volatile memory and transmits data over NB-IoT network. Suitable for water, gas, electricity metering.

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Low power NB-IoT battery-operated 4-channel data logger. Designed for remote metering and monitoring applications. Device collects consumption data from pulse output meters and sensors, stores readings in non-volatile memory and transmits data to dispatching server over NB-IoT network. Suitable for water, gas, electricity metering.

— Continuous operation of 10 years and above from internal 13000 mAh battery
— Data transmission via NB-IoT (UDP) on configurable schedule
— Dual SIM card slots
— External 3dB antenna
— IP65 waterproof plastic case
— 4 x pulse counting inputs, 2 binary inputs
— Configurable polling frequency: 2Hz/20Hz
— Easy configuration: via serial RS-232 port (or via mini-USB port using Serial-to-USB CDM10 Adapter) as well as remote configuration via free cloud platform iot24.eu web interface
Cloud Software Platform IoT24.eu ensuring remote access to data via web interface

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Options

DTU321-U (NB-IoT, 13 Ah battery, external 3 dB antenna, IP65 case), DTU321-U.Z (NB-IoT, no battery, external 3 dB antenna, IP65 case), DTU321-U.S (NB-IoT, 19 Ah battery, external 3 dB antenna, IP65 case)

Specifications

 

SPECIFICATIONS
ENCLOSURE TYPE Type 3 (plastic, IP65)
Dimensions (L x W x H) 145 x 90 x 78 mm
NETWORK PARAMETERS
LTE NB-IoT NB-IoT LTE B1/B3/B5/B8/B20/B28 (multiband). NB-IoT Cat NB2. Rate (DL/UL): 125 kbps/150 kbps
IO PARAMETERS
GPIOs (IO1-IO4) x4, IO type: pulse counter, voltage, resistance measurement, engine hours counter
Input Polling Frequency 2Hz: min. pulse duration – 500ms, max. pulse frequency at the input – 1Hz;
20Hz: min. pulse duration – 50ms, max. pulse frequency at the input – 10Hz
Input Conditions connected, disconnected, short circuit, break
Input Resistance Range 0 – 100 kOhm
Additional Input (IO5) x1, leakage sensor
Additional Input (IO6) x1, opening sensor
OTHER PORTS
Power Output x1, 3,6V
Serial Ports x1, RS-232
SIM x2, mini-SIM
POWER SUPPLY
Main power supply source ER34615H/SLC1025 (Type D) 19Ah or ER34615M (Type D) 13Ah battery
Current consumption In sleep mode: 10 µA (at 2 Hz polling rate), 40 µA (at 20 Hz polling rate), 150 µA (at 100 Hz polling rate)
In data transfer mode: 150 mA (GSM), 36 mA (NB-IoT)
Average battery life up to 10 years and above
ANTENNA/ANTENNA CONNECTOR
Antenna/Antenna Connector x1 (optional):
– Internal 2-5,2dB flexible antenna, soldered to the board
– External 3dB antenna
– External SMA(f) connector
MECHANICAL & ENVIRONMENTAL
Weight 400 gr
Mounting wall
Operating temperature -20…+50°C (when operating at temperature below 0°C, the battery life may be shortened)
Warranty 2 years

Downloads

Documentation

Version | Release Date File size Download
Description Description ADGT DTU Data Logger Series. Datasheet

Product overview ADGT DTU key features DTU data loggers for remote consumption metering Data logger options selection table Specifications

Version | Release Date: rev.1.4 | 2023-07-20 File size: 0.78 MB DownloadDownload
Product overview ADGT DTU key features DTU data loggers for remote consumption metering Data logger options selection table Specifications
Description Description Declaration of Conformity DTU32x NB-IoT Data Loggers

EU Declaration of Conformity for Data Loggers DTU32x series

Version | Release Date: rev.2.0 | 2021-12-02 File size: 0.22 MB DownloadDownload
EU Declaration of Conformity for Data Loggers DTU32x series
Description Description DTU Remote Data Logger series. Data transmission protocol

This reference guide introduces a protocol (a set of rules), that regulates data transmission between DTU Series Remote Data Loggers and remote server software.

Version | Release Date: rev.1.12 | 2023-03-01 File size: 1.14 MB DownloadDownload
This reference guide introduces a protocol (a set of rules), that regulates data transmission between DTU Series Remote Data Loggers and remote server software.

Software

Version | Release Date File size Download
Description Description DTU Configuration Tool (Windows 32/64-bit)

Software for configuring DTU data loggers using a PC.
Changelog:
1.12.1 | 2023-11-28
• Fixed an issue with the program's startup on some Windows computers.
1.12.0 | 2023-05-02
• Fixed an error when at a maximum signal strength level (100%), the information about the connected device displayed a signal level of 0%.
1.11.5 | 2023-01-26
• The names of the inputs now correspond to the names of the inputs on the board
• Fixed the display of the device model name
1.11.1 | 2022-12-23
• Added ability to switch between TCP and UDP protocols for DTU410 and DTU420 data loggers
1.10.1 | 2022-07-01
• Added settings for MQTT Protocol support (for DTU410 GPRS data logger only)

Version | Release Date: 1.12.1 | 2023-11-28 File size: 59.77 MB DownloadDownload
Software for configuring DTU data loggers using a PC.
Changelog:
1.12.1 | 2023-11-28
• Fixed an issue with the program's startup on some Windows computers.
1.12.0 | 2023-05-02
• Fixed an error when at a maximum signal strength level (100%), the information about the connected device displayed a signal level of 0%.
1.11.5 | 2023-01-26
• The names of the inputs now correspond to the names of the inputs on the board
• Fixed the display of the device model name
1.11.1 | 2022-12-23
• Added ability to switch between TCP and UDP protocols for DTU410 and DTU420 data loggers
1.10.1 | 2022-07-01
• Added settings for MQTT Protocol support (for DTU410 GPRS data logger only)
Description Description DTU Configuration Tool (Linux 64-bit)

Software for configuring DTU data loggers using a PC.
Changelog:
1.12.1 | 2023-11-28
• Fixed an issue with the program's startup on some Windows computers.
1.12.0 | 2023-05-02
• Fixed an error when at a maximum signal strength level (100%), the information about the connected device displayed a signal level of 0%.
1.11.5 | 2023-01-26
• The names of the inputs now correspond to the names of the inputs on the board
• Fixed the display of the device model name
1.11.1 | 2022-12-23
• Added ability to switch between TCP and UDP protocols for DTU410 and DTU420 data loggers
1.10.1 | 2022-07-01
• Added settings for MQTT Protocol support (for DTU410 GPRS data logger only)

Version | Release Date: 1.12.1 | 2023-11-28 File size: 63.92 MB DownloadDownload
Software for configuring DTU data loggers using a PC.
Changelog:
1.12.1 | 2023-11-28
• Fixed an issue with the program's startup on some Windows computers.
1.12.0 | 2023-05-02
• Fixed an error when at a maximum signal strength level (100%), the information about the connected device displayed a signal level of 0%.
1.11.5 | 2023-01-26
• The names of the inputs now correspond to the names of the inputs on the board
• Fixed the display of the device model name
1.11.1 | 2022-12-23
• Added ability to switch between TCP and UDP protocols for DTU410 and DTU420 data loggers
1.10.1 | 2022-07-01
• Added settings for MQTT Protocol support (for DTU410 GPRS data logger only)

Firmware

Version | Release Date File size Download
Description Description DTU02.01.0032

Changelog:
02.01.0032 | 2023-07-05
• Improved battery de-passivation algorithm.
02.01.0030 | 2023-03-10
• Fixed archive clearing algorithm.
• Clearing the archive now resets the restart counter.
• Executing the archive cleanup command no longer triggers a factory reset - network settings are preserved.
02.01.0029 | 2022-12-26
• Improved stability of pulse measurements at a polling frequency of 20 Hz.

Version | Release Date: 02.01.0032 | 2023-07-05 File size: 0.06 MB DownloadDownload
Changelog:
02.01.0032 | 2023-07-05
• Improved battery de-passivation algorithm.
02.01.0030 | 2023-03-10
• Fixed archive clearing algorithm.
• Clearing the archive now resets the restart counter.
• Executing the archive cleanup command no longer triggers a factory reset - network settings are preserved.
02.01.0029 | 2022-12-26
• Improved stability of pulse measurements at a polling frequency of 20 Hz.

Downloads

Ordering Information

Product Codes

PRODUCT CODE NETWORK TYPE ANTENNA/ANTENNA CONNECTOR
DTU3xx – plastic IP65 sealed case
DTU310 GPRS Internal 698~4000 MHz antenna
DTU311 GPRS External 3dB antenna
DTU317 GPRS External SMA(f) connector
DTU320 NB-IoT Internal 698~4000 MHz antenna
DTU321 NB-IoT External 3dB antenna
DTU327 NB-IoT External SMA(f) connector

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