คุณสมบัติ
Technical Data
| Detection principle | Electrochemical (EC): Toxic gases and Oxygen Catalytic combustion (CC): Flammable gases and vapours (to 100 %LEL) |
| Gases | Toxic gases, Oxygen, flammable gases and vapors |
| Gas supply | Diffusion / Pump (Optional) |
| Temperature range | -20 °C to +50 °C |
| Humidity | 5 to 95 %RH |
| Pressure | 700 to 1300 hPa |
| Dimensions | 75 × 110 × 36 mm (W × H × D), Display diagonal 55 mm |
| Weight | 290 g to 350 g depending upon sensor configuration |
| Enclosure | Rubberized polycarbonate |
| Protection class | IP67 |
| Operational time | – up to 170 hr (Alkaline) depending upon sensor configuration – up to 120 hr (NiMH-II A21) depending upon sensor configuration |
| Power supply | – 2 × AA 1.5 V, non-rechargable (Alkaline battery) – NiMH battery module A21, 2100 mAh rechargable |
| ATEX-approval | NiMH battery module: ATEX Ex II 2G Ex ia de IIC T4 – 20°C ≤ Ta ≤ +50°C Alkaline battery module: ATEX Ex II 2G Ex ia de IIC T4/T3 – 20°C ≤ Ta ≤ +45°C/+50°C” |
| Alarms | Depending upon gas type, 3 instantaneous and 2 calculated exposure alarms, battery alarm Visual: Colouring of the ddisplay depending upon alarm condition of the equipment (green/orange/red), 360° circulating red LED Audible: 103 dB(A) can be reduced to 90 dB(A) Vibration: Vibrating alarm (optional) |
| Data logger | 30 hours (interval of 1 minute) 1800 measured values per gas, adjustable intervals (1 s – 60 min) recording of average, peak or instantaneous values selectable |
Parameters:
| Oxygen (O2): | 0-25% Vol. |
| CH4/C3H8 (LEL): | 0-100% LEL |
| Carbon dioxide (CO): | 0-500 ppm |
| Hydrogen Sulfide (H2S): | 0-100 ppm |
