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Home > Gas Detection > Portable Gas Detector > Tetra 3 Gas Detector
Tetra 3 Personal Gas Detector from Crowcon Detection Instruments
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- One button operation, simple even with a gloved hand
- Rugged and weather proof, suitable for today's arduous industrial environments
- Rechargeable, lithium-ion battery gives over 16 hours operation with no memory effects
- Intuitive menu and comprehensive full function data and event logging
- Large, top mounted 4 gas display, easily viewed from above while wearing instrument
- Complete audible, visual and vibration alarms
- Top end performance in a small and lightweight package
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Reliable
- Based on tried and tested Tetra instrument
- Proven sensor technology and software operation
- Simple indications of operating status can be viewed at a glance
- 30 day countdown warning of calibration due date
Performance
- Li-ion rechargeable battery gives > 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 to IP65 and IP 67
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
Instrument Specifications
| Audible Alarms |
95 dBA, multiple alarm sounds allow selection of distinctive tones for different alarm levels |
| Visual Alarms |
Dual color red/blue flashing LED pair in gas hazard |
| Vibrating Alarm |
Internal |
| Display |
Graphic LCD with backlight, giving simultaneous display for all gas channels. Graphic symbols for battery (with proportional indication of remaining operation time), pump operation, healthy operation or fault warning. Start up indication when calibration is due within 30 days, calibration overdue or service required. |
| Display Mode |
Normal display for continuous real time gas concentration levels, display recall for Peak readings and TWA
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| Datalogging, Optional |
Timed datalogging: 50 hours at 1 minute intervals data rate, 3,000 records, threshold logging starts after adjustable preset level, event logging > 1500 events |
| Battery Type |
Rechargeable Li-Ion battery |
| Operating Time |
Rechargeable: 16 hours minimum |
| Sampling |
Diffusion of hand aspirator |
| Temperature Range |
-4 to 131°F |
| Humidity |
0-99% RH |
| PC Interface |
RS232 connection from interface module in charger, RS232/USB converter available |
| Accessories |
Tetra 3 is supplied with an integral alligator clip |
| Approvals |
Class I, Div I, Groups A, B, C, D, pending, ATEX II2G EEx iad IIC T4 BASEEFA 03ATEX0193 |
| Ingress Protection |
IP 65 or IP 67 |
| Weight |
9.6 ounces |
| Dimensions |
Rechargeable: 4.4" x 8" x .9" |
Sensor Specifications
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Gas
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Range
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Alarm
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| Carbon Monoxide |
0-500 ppm
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35 ppm
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| Combustible |
0-100% LEL
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10% LEL
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| Hydrogen Sulfide |
0-50 ppm
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10 ppm
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| Oxygen |
0-25% Vol
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19.5% (low), 23.5% (high)
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Other ranges and alarm levels are available on request. Each gas channel can have two instantaneous alarm levels set, Toxic channels also have Time Weighted Average alarms. Flammable gas calibration is available for methane, propane, butane, pentane, hydrogen and ethylene as standard.
Ordering Information
The Tetra 3 is supplied with an integral belt/pocket clip. For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email sales@afcintl.com
Downloads
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