Dräger REGARD® 3900 Series

– Flexible Gas Detection Controller for Up to 16 ChannelsThe Dräger REGARD(R) 3900 Series is a modular gas detection controller that allows configuration of up to 16 channels. Compatible with 4-20 mA transmitters, it supports relay modules, output repeaters, and Modbus/PROFIBUS gateways for complete system integration. Ideal for centralizing control in medium to large facilities.Enquire Now

Product Highlights

Type: Fixed Gas Detectors Brand: Drager




Product Category Customized Solutions Services

Features

Build an expandable architecture with four input, two relays, and two output modules..
With the integrated display, you can see 4 channels at once, along with LED indicators and backlighting.
SPDT relays can be used to set 3 different alarm levels per channel for optimal alarm management.
Gateways can be integrated with third-party protocols like Modbus RTU, Mod Bus TCP/IP, and PROFIBUS DP.
Config 3900 software can be easily configured on a USB or laptop device.

Specifications

Feature	Details
Inputs	4–20 mA (2- or 3-wire)
Channels	Up to 16
Display	4-line LCD, LEDs for each channel
Relays	Up to 16 (across modules)
Power	24 VDC / 110–240 VAC
Enclosure	IP65 housing
Temperature	0°C to 55°C
Certifications	CE, ATEX, SIL1

Applications

Gas detection hubs for factories
Chemical plant central control
Multi-point toxic/flammable monitoring
Laboratories and confined gas areas

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High-quality product designed for durability, performance, and reliability, perfect for everyday use and long-term value.