DLG89, part of the ACE logger family, adept at acquiring measurements from multiple sensors through diverse analog and digital interfaces. Ensuring secure data transmission to the cloud . This powerful device is designed for precision data acquisition in a wide range of applications.

The DLG89, part of the ACE logger family comprises advanced and intelligent data loggers designed to capture measurements from diverse sensors through various analog and digital interfaces. With a sampling frequency of 1 Hz and a logging frequency of at least 1 minute, the device adheres to the high-precision Class A standards for sampling and recording intervals according to IEC 61724-1:2021. Secure data transmission to the cloud is facilitated through the built-in 2G GSM/GPRS modem, while real-time monitoring with SCADA systems is achieved via RS485 Modbus RTU.


Utilizing an industry-leading ADC, boasting a 24-bit resolution for precise data acquisition. The data logger features an onboard memory of 8GB, complemented by a micro SD card slot expandable up to 32GB, ensuring data storage and retention for over 5 years in operational settings.


Powered by a robust 32-bit, 900 MHz processor architecture, the DLG89 data logger supports edge computing capabilities for Industrial Internet of Things (IIOT) applications. Accessing logged data is convenient by using a pen drive into the device, providing flexibility and ease of use for diverse data management needs.

Product Features

The device complies with Class A sampling and logging intervals as per the IEC61724-1:2021 standards.

The data Logger features a 24-bit ADC, ensuring precise data acquisition, and measures voltage levels <10µV for accuracy.

Supports 16/8 single-ended or 8/4 differential analog channels for 0-100µV, 0-5V, 4-20mA, PT100, and PT1000 inputs.

The device offers various interfaces including SDI12, RS232 and RS485 Modbus RTU for easy integration with any external devices.

The data logger enables web server communication through a built-in 2G Quad band GSM modem.

The device ensures precise time synchronization via built-in GPS, supplemented by NTP and RTC methods for accuracy and reliability.

The device stores data for over 5 years on 8GB internal memory in .csv format. It supports up to 32GB micro SD card for extra storage

The data logger has an integrated graphic display making it easier for the user to view live data on field and set a few critical settings.

The device functions as an energy-efficient data logger, operational within a voltage range of 9 to 28 V DC.

Technical Specifications

  • Analog Inputs
  • Digital Channels
  • Serial Interfaces
  • Communication
  • Measurement Parameters
  • System
  • Storage
  • Electrical And Mechanical
8 differential or 16 single ended
Milivolt input range
0 - 100 mV
Voltage Input range
0 - 10 V
Current Input range
4-20 mA
Resistive (PT100) range
80 - 200Ω
Resistive (PT100) range
800 - 2000Ω
ADC Resolution
24 Bit
ADC accuracy
±0.01% of FS
Sampling Rate
Up to 10 Hz
Digital Input
Digital Output
RS485 Modbus RTU
Network Type
2G Quad-Band GSM
Frequency Band
850/900/1800/1900 MHz
Data Rate
85.6 Kbps
Data Security
AES (128 bit)
Simultaneous Parameters
up to 176 parameters
Data Rate
1 minute (min) to 24 hours (max)
32 Bit
Graphic LCD Display 128 x 64 resolution
LED Indicators
Power, Network, MODBUS
3 button Keypad
Date & Time
RTC with backup battery
Time Synchronization
GPS and Server
Internal Memory
8 MB
External Memory
8 GB Micro SD (expandable to 32 GB)
Voltage I/P
+9 to +28 VDC
Charge Current
2.6 Ah Rechargeable Li-ion batteries
Operating Temperature
-20⁰C to +70⁰C
Storage Temperature
-40⁰C to +80⁰C
ABS UV Protected
150mm (L) x 150 mm (W) x 110.6 mm (H)
<750 grams


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Documents & Softwares

Q & A

How many channels are present in DL89?

There are 16 analog channels which can be configured as 16 single ended or 8 differential channels.

User Manual