T3R-02-NC-Z Tetra 3 Multigas Personal Monitor, No Charger, 3 Gas - CH4 % LEL, O2 (2yr), H2S by Crowcon
Proven to serve the needs of today's most arduous industrial environments.
Designed with the user in mind, the top mount display, full function data and event logs, audible, visual and vibrating alarms deliver top end performance in a small and lightweight package.
Robust
- Tough over-moulded contraction to resist shock and vibration
- Water and dust resistant to IP65 and IP67
Alarms
- 95dB Audible Alarm
- Piercingly bright red/blue visable alarm
- Vibrating alarm
Reliable
- Proven sensor technology and software operation
- 'At a glance' operating status
- Clear calibration due warning
Performance
- Li-ion battery with 14 hrs operation
- True single button operation
- Easy to read back-lit display for gas readings and diagnostics
Weight | 295g (10.4oz) |
Dimensions | 114 x 71 x 48mm (tapers to 20mm) 4.5 x 2.8 x 1.9 inches |
Audible Alarms | 95dB Multiple alarm sounds allow selection of distinctive tones for different alarm levels |
Visible Alarms | Dual color red/blue flashing LED in gas hazard |
Vibrating Alarm | Internal vibrating alarm |
Display | Graphic 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 |
Display Mode | Normal display for real time gas concentration levels. Display recall for Peak readings and TWA |
Datalogging (optional) |
Timed datalogging: 50 hours at 1-minute data rate (>12000 data logs of 4 channels) Threshold logging (starts after adjustable preset level) Event logging: >5000 events |
Battery | Rechargable Li-ion battery |
Operating Time | Based on four gas unit with flammable sensor >16 hours |
Sampling | Diffusion or hand aspirator |
Operating Temp. Range | -20°C to +55°C (-4°F to +131°F) Toxic and Oxygen sensors are not rated for continuous operation at high temperatures. Consult Crowcon if operating temperatures are likely to exceed 40°C (104°F) for extended periods |
Humidity | 20-90% RH @ 40°C non-condensing |
Ingress Protection | IP65 and IP67 |
PC Interface | RS232 connection from interface module in charger RS232/USB converter available |
Calibration | Tetra 3 can be routinely calibrated using Portables PC software or Crowcon Checkbox IMH |
Accessories | Tetra 3 is supplied with an integral alligator clip |
Optional Accessories | Universal harness plate, shoulder strap, chest harness, aspirator assembly (flow plate, bulb and 2m/6ft tubing), fixed and telescopic sample probes, and an in-line water trap |
Gas |
Range |
Typical Alarm (US) |
Flam |
0-100% LEL |
10% |
O2 |
0-25% |
19.5/23.5% |
H2S |
0-100ppm |
10ppm |
CO |
0-500ppm |
35ppm |
SO2 | 0-20ppm |
2ppm |
O3 | 0-1ppm |
0.1ppm |
NH3 | 0-100ppm |
25ppm |
CO2 | 0-5% |
0.5% |
* T3 is available in a safe area CO2 version offering 0-5% carbon dioxide measurement. The CO2 sensor replaces the flammable option and can be supplied with oxygen and toxic sensors. |