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Crowcon Tetra 3: Portable Multi Gas Monitor
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Product Overview
Additional Information
- Personal monitor for oxygen, toxic and flammable gases
- Simple one button operation can be easily used even with a gloved hand
- Intrinsically safe
- Water and dust resistant IP67
- Rugged and impact resistant design provides extra shock and vibration protection
- Large, easy to read backlit display
- Audible, visual and vibrating alarm
- 30 day count down - calibration due date
- Li-ion battery (included) gives > 16 hours operation
- Complete with charging unit
- Dimensions (HxWxD):112x72x49mm (depth tapers to 20mm)
- Weight: 270g
- 2 year warranty
- Download the Datasheet
- Comples with EN50270, EN 50271, IEC61508 & EN61779
- Available in 5 sensor options to detect multiple gases including:
| Gas | Range | Alarm |
| CH4 (Methane) | 0-100% LEL | 20%LEL |
| CO (Carbon Monoxide) | 0-25% | 19/23.5% |
| H2S (Hydrogen Sulphide) | 0-50ppm | 5ppm |
| 02 (Oxygen) | 0-500ppm | 30ppm |
There is a lead time of 7 days on these units as they are made to order to optimize calibration
The Crowcon Tetra 3 personal gas monitor is based on the tried and tested Tetra instruments. Using proven sensor technology and software the Tetra 3 is able to combine reliable performance with simple operation and rugged design.
Technical Data
Performance
- Simple indications of operating status can be viewed at a glance
- 30 day countdown warning of calibration due date
- Li-ion rechargeable battery gives >16 hours operation
- True single button operation - the most user friendly range available
- Easy to read backlit graphic display for gas readings and diagnostics
Robust
- Tough plastic construction to resist even the toughest shock and vibration
- Overmolded rubber for added protection
- Water and dust resistant IP67
Alarms
- 95 dBA audible alarm
- Piercingly bright dual red/blue visual alarm
- Internal vibrating alarm
- Two levels of instantaneous alarms
- Time weighted average alarm for 8 hours and 15 minute averages
| Technical Specification | |
| Weight | 270g |
| Dimensions (HxWxD): | 112x72x49mm (depth tapers to 20mm) |
| Typical Response Times | Flamable - 20s |
| Audible alarm | 95dBa: Multiple alarm sounds allow a selection of distinctive tones for different alarms |
| Visual alarm | Dual colour red/blue flashing LEDs |
| Vibrating alarm | Internal vibrating alarm |
| Display | Graphical backlit LCD display with symbols for battery (with proportional indication of remaining operation time), helthy operation or fault warning, calibration due (within 30 day of calibration) and service required. |
| Display Mode | Normal display for real time gas concentration levels Display recall for peak readings |
| Battery | Li-ion (Lithium-ion) rechargable battery |
| Operating time | Based on the 4 gas unit > 16 hours |
| Operating temp. range | -20?C to +55?C |
| Humidity | 0-99% RH |
| Ingress Protection | IP67 |
| Safety Standards | EN50014 EN50020 EN50018 94/9/EC |
Technical Data
This is the technical data for the Crowcon Tetra 3: Portable Multi Gas Monitor.
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