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EnviData 1801 Datalogger

Datalogger system for receiving, transmitting, and managing data
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EnviData 1801 Datalogger

The system is capable of receiving, recording, and managing environmental monitoring data by directly connecting to measuring devices, analyzers, controllers, and automatic sampling systems (if any).
See specification

Product benefits

The system is capable of receiving, recording, and managing environmental monitoring data.

Data is transmitted via FTP, FTPs, or sFTP protocols.

Data is transmitted in real-time, with a maximum delay of 5 minutes.


Allow remote control signals for automatic sampling (if any) and data retrieval upon request.

Technical Specifications

Datalogger system for receiving, transmitting, and managing data

Origin/Place of origin




Protection level



12/24 VDC

SIM card

2 SIM card slots, with automatic SMS alerting function

Transmission signal

4G / Ethernet network

Display screen / HMI

OLED graphic display (128x64 pixels)


LED, Built-in advanced auto-diagnostics

Storage speed / record speed

- Data and event recording on SD card with 0,1 sec res. Supports SD cards up to 32GB

- Supports 12V SLA battery backup interface

Transmission method

- GPRS/UMTS/HSPA+/LTE - file transfer protocol
- Email (without SSL)
- Sending logged data as a text or csv format file to the configured FTP servers

4G modem and Internet port

- 4G: Bands 1,3,8,20,28 (700,800,900,1800,2100 MHz)
- Ăng-ten: 50Ω
- 2 SIM holders - Dual-SIM support
- Ethernet port 10Base-T/100Base-TX

Industrial communication MODBUS RTU and MODBUS TCP

- Isolated RS-232/485 serial port
- RS-232 serial port with 5 V / 500 mA feeding
- Internet port 10Base-T/100Base-TX

Input signal status

16 binary inputs - according to IEC 61131-2 standard for switch type 1 and 3
- Signal range (π - π6): 0 - 30V
- Minimum current value: 2.4 nA
- Voltage value for ON: > 9.4 V
- Voltage value for OFF: < 8.4 V

Trạng thái tín hiệu đầu ra

12 binary outputs
- Maximum current: 100 mA
- Voltage drop: > 0.5 V max
- OFF state: < 100µA max

Analog Input signal

16 binary inputs
- Analog Input signal (4 ports) from n to 14
- Type: opto-isolated
- Current range: 4 - 20 mA
- Maximum current: 30 mA
- Input impedance dynamic: 110 Ω typ
- Voltage drop @20mA: < 2.2 V
- Accuracy: 0.5%

Typical Projects

Sun World Ba Na Hills
Formosa Ha Tinh
Vietnamese National Coal and Mineral Industries Holding Limited
VSIP 1, VSIP 2, and VSIP 2 extension Industrial Parks

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Consulting on solutions to monitor and manage environmental monitoring data easily and effectively.