Environmental Monitoring instruments
3 products listed · All with ISO 17025 traceable documentation
Crowcon
Crowcon
Portable 4-Gas Monitor
CRW-GASMAN-4
Compact clip-on 4-gas monitor for confined space entry and continuous personal monitoring. O₂, CO, H₂S, LEL detection.
| Gases | O₂, CO, H₂S, LEL |
| Alarms | Audible / visual / vibrating |
| Battery life | 18 hours |
| IP Rating | IP65 |
| Compliance | ATEX / IECEx Zone 1&2 |
| Certification | CE / UKCA |
| Bump test | Required every use |
Crowcon
Crowcon
Fixed Gas Detection Controller
CRW-VORTEX-4
Fixed 4-channel gas detection controller for permanent installation in hazardous areas. Supports all Crowcon sensors.
| Channels | 4 (expandable) |
| Inputs | 4-20mA / digital |
| Relays | 3 per channel |
| Display | LCD status display |
| Compliance | ATEX / IECEx / SIL2 |
| Installation | DIN rail / wall mount |
| Certificate | FM / CE / ATEX |
Testo
Testo
Indoor Air Quality Monitor
TESTO-440
Handheld IAQ meter measuring CO₂, humidity, temperature, air velocity, and differential pressure simultaneously.
| CO₂ range | 0–10,000 ppm |
| CO₂ accuracy | ±50 ppm ±2% |
| Humidity | 0–100% RH ±2% |
| Temperature | -20°C to +70°C |
| Display | 3.5" colour |
| Bluetooth | App connectivity |
| Certificate | Factory calibration |
Consumables for this category
EGT supplies consumables for Environmental instruments
Everything your environmental instruments need between service intervals.
- ✓Calibration Gas Cylinders (O₂/CO/H₂S/LEL certified mixtures)
- ✓Replacement Gas Sensor Cells (Crowcon compatible)
- ✓Filter Elements for Particle Counters
- ✓Bump Test Kits