Gas detection3
Respiratory protection4
Technical rescue9
Firefighting4
Safety & environment4
Personal protective equipment2
WatchGas PDM+ — personal single-gas detector (serviceable)
The WatchGas PDM+ is a personal, sustainable single-gas detector with a replaceable battery and sensor, which lowers the cost of ownership. It detects oxygen deficiency or the presence of one toxic gas (O₂, CO, H₂S, H₂, SO₂, NH₃, NO₂, H₂O₂). It supports TWA and STEL thresholds (NDS/NDSCh in Poland), has a triple alarm and event logging. ATEX/IECEx/INMETRO certification.
The WatchGas PDM+ is a personal, sustainable single-gas detector with a replaceable battery and sensor, which lowers the cost of ownership. It detects oxygen deficiency or the presence of one toxic gas (O₂, CO, H₂S, H₂, SO₂, NH₃, NO₂, H₂O₂). It supports TWA and STEL thresholds (NDS/NDSCh in Poland), has a triple alarm and event logging. ATEX/IECEx/INMETRO certification.
Key features
- One gas per version: O₂, CO, H₂S, H₂, SO₂, NH₃, NO₂, H₂O₂.
- Replaceable battery and sensor — low cost of ownership.
- TWA and STEL thresholds (NDS/NDSCh); triple alarm 95 dB.
- Lightweight (93–104 g), IP67; quick bump test with the station.
- ATEX/IECEx/INMETRO II 1G Ex ia IIC T4 Ga.
- Runtime up to ~2 years; logging of 30 events.
Technical specification
| Parameter | Value |
|---|---|
| Type | portable single-gas detector (serviceable) |
| Measured gases | O₂ / CO / H₂S / H₂ / SO₂ / NH₃ / NO₂ / H₂O₂ |
| Dimensions / weight | 48 × 85 × 22 mm / 93–104 g |
| Protection | IP67 |
| Temperature | −40 to +50 °C |
| Battery | replaceable Li 3.6 V; up to ~2 years |
| Manufacturer | WatchGas |
Applications
Personal protection against oxygen deficiency or one toxic gas, with minimal maintenance cost.
Frequently asked questions (FAQ)
How does the PDM+ differ from the PDM?
The PDM+ is serviceable — it has a replaceable battery and sensor, so it lowers the cost of ownership; the PDM is maintenance-free (disposable).
Does it compute TWA and STEL?
Yes — it supports TWA and STEL thresholds (NDS/NDSCh).
Brand and service
WatchGas — SafeTech is the distributor and service station: selection, supply, configuration, calibration and service of WatchGas detectors and systems.
Why SafeTech
- 23 years of experience in gas detection (in business since 2003).
- Authorised distributor and authorised service station.
- In-house service, calibration and certification in Suchy Dwór near Gdynia — nationwide coverage in Poland.
- Training and technical support (SafeTech Safety Academy).
Availability and service — Gdynia and the Tricity
WatchGas PDM+ — personal single-gas detector (serviceable) — sales, selection, calibration and service in Gdynia (Suchy Dwór, on the border of Gdynia and the Kosakowo municipality). We serve the Tricity (Gdańsk, Sopot, Gdynia), Rumia, Reda, Wejherowo, the Pomeranian Voivodeship and all of Poland. Ask about pricing and availability.
Accessories and compatible equipment
- Calibration & bump test: stacja WatchGas Mono/Multi Dock, calibration gas mixtures, regulators and pressure-reducing valves for cylinders.
- Sensors & filters: replacement sensors matched to the measured gas, dust and hydrophobic filters.
- Sampling: probe, hose, aspirator bulb (for diffusion versions).
- Carrying & protection: lanyard, clip, holder, transport case, charger/power supply.
Full selection of accessories and parts for this model — request a quote.
