Crowcon Tetra 3 Personal Multi-gas Monitor
Crowcon Tetra 3 Personal Multi-gas Monitor

Crowcon Tetra 3 Personal Multi-gas Monitor

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The Tetra 3 multi-gas monitor is the newest addition to the Tetra family. Tetra:3's single button operation, small size and weight make it the easiest to use gas detector on the market.

Based on the proven and highly successful Tetra product, Tetra:3 is designed for use in demanding industrial environments. Despite it's compact size the Tetra:3 is ultra-rugged and water proof.

Gases include the most common four (carbon monoxide, methane, oxygen and hydrogen sulphide), but also an expanded range: ammonia, ozone, sulphur dioxide, H2 filtered CO (for steel plants) and IR carbon dioxide (for safe area use only).


Rugged and impact-resistant design provides extra shock and vibration protection

Water and dust resistant

Can be submerged in water

95dB audible alarm

Clear “calibration due” warning

14 hours continuous operation

Top mounted, backlit display of all gas readings, diagnostics and battery life

Quantity must be 1 or more
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Technical Specifications

Alarms95dB multiple alarm sounds allow selection of distinctive tones for different alarm levels Internal vibrating alarm
DisplayGraphic LCD with backlight, giving simultaneous display for all gas channels. Graphic symbols for battery (with proportional indication of remaining operation time), healthy operation or fault warning. Start up indication when calibration is due, overdue, or service required.Normal display: Real time gas concentration levels Display recall: Peak readings and TWA
Data loggingTimed: 50 hours at 1-minute data rate (>12,000 data logs of 4 channels) Threshold: Starts after adjustable pre-set level Event: >5,000 events
Event loggingAlarm, over range, calibration, bump, on/off, TWA, 1000 events
BatteryRechargeable Li-ion battery
Operating timeBased on four-gas instrument fitted with flammable sensor: A 5-hour charge from flat provides at least 12 hours of continuous use.A 12-hour charge provides at least 14 hours of continuous use
SamplingDiffusion or hand aspirator
DimensionsUS: 4.5” x 2.8” x 1.9” Metric: 114 x 71 x 48mm
WeightUS: 10.4oz Metric: 295g
Manuals & Data Sheets

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