Gas detection3
Respiratory protection4
Technical rescue9
Firefighting4
Safety & environment4
Personal protective equipment2
WatchGas 404+ / 102 / Defender — gas detection controllers and alarm units
A family of WatchGas controllers and alarm units for economical, reliable gas level monitoring: the 404+ model (an advanced alarm controller), the 102 (a dual-sensor alarm unit) and the Defender (the most economical solution). They perform well across a wide range of environments — from commercial facilities to heavy industry and potentially explosive atmospheres.
A family of WatchGas controllers and alarm units for economical, reliable gas level monitoring: the 404+ model (an advanced alarm controller), the 102 (a dual-sensor alarm unit) and the Defender (the most economical solution). They perform well across a wide range of environments — from commercial facilities to heavy industry and potentially explosive atmospheres.
Key features
- 404+ — an advanced controller responding to gas hazards.
- 102 — a dual-sensor alarm unit, economical and reliable.
- Defender — the most economical detection controller.
- For commercial facilities and heavy industry (Ex zones).
- Control of signalling and actuating devices.
- Proven, easy-to-operate architecture.
Technical specification
| Parameter | Value |
|---|---|
| Type | gas detection controllers / alarm units |
| Models | 404+, 102, Defender |
| Inputs | WatchGas sensors / transmitters |
| Application | commercial facilities and industry |
| Manufacturer | WatchGas |
Applications
Economical and reliable gas detection alarm control in commercial and industrial facilities.
Frequently asked questions (FAQ)
Which model should I choose?
The 102 for simple dual-sensor installations, the 404+ for advanced ones, the Defender when lowest cost matters most — we match it to your needs.
Do they support Ex zones?
Yes — they are intended for environments ranging from commercial to industrial with hazardous-zone requirements.
Brand and service
WatchGas — SafeTech is a distributor and service station: selection, delivery, configuration, calibration and servicing of WatchGas detectors and systems.
Why SafeTech
- 23 years of experience in gas detection (the company has operated since 2003).
- Distributor and service station.
- In-house service, calibration and certification in Suchy Dwór near Gdynia — nationwide coverage across Poland.
- Training and technical support (SafeTech Safety Academy).
Availability and service — Gdynia and the Tri-City
WatchGas 404+ / 102 / Defender — gas detection controllers and alarm units — sales, selection, calibration and service in Gdynia (Suchy Dwór, on the border of Gdynia and the Kosakowo municipality). We serve the Tri-City (Gdańsk, Sopot, Gdynia), Rumia, Reda, Wejherowo, the Pomeranian Voivodeship and all of Poland. Ask about a quote and availability.
