Overview
The document provides detailed information about the DPR990 Self-surveillance unit by Nokeval, designed for reliable data acquisition and temperature surveillance using wireless transmitters. It highlights the unit's features, specifications, and applications, particularly in cold storage monitoring.

Specifications
The DPR990 unit is equipped with:

• Internal GSM modem and receiver for radio transmitters.
• TCP/IP Ethernet for LAN or Internet connection.
• 4 USB ports for peripherals and 2 digital I/O ports.
• Solid State Disk for high reliability and no need for updates.
• 512 MB RAM and 2 GB Intel Solid State Disk.
• External mains adapter with input 100~240 VAC, output 12V 80W.

Features

• Ready to use without software installation; PromoLog data acquisition software is pre-installed.
• Supports both wireless and wired devices, centralizing data acquisition and surveillance functions.
• Operates independently without a local display or keyboard.
• Supports USB memory sticks and external USB hard drives.
• Remote monitoring and settings adjustment via Windows Remote Desktop Connection.

Applications
The DPR990 is ideal for temperature surveillance in:

• Cold rooms and freezer rooms.
• Catering kitchens and pharmaceutical stores.
• Centralized control of multiple locations via network connection.

Technical Details

• Front panel includes 2 USB ports, power/reset buttons, and indicator lights.
• Back panel includes additional USB ports, Ethernet port, I/O connector, VGA, PS2, audio, and BNC connectors.
• GSM modem antenna with magnetic fastening and SIM card slot.
• Dimensions: 30 x 28 x 7 cm, black metal case.

Conclusion
The DPR990 Self-surveillance unit by Nokeval is a robust solution for centralized data acquisition and temperature monitoring, offering ease of use, high reliability, and flexibility in various applications.