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Crowcon T4 (2 Gas & 3 Gas) - Choice of Model
Description
The Crowcon T4 provides a personal protection solution for detecting the four most common gas hazards:
- Carbon Monoxide (CO)
- Hydrogen Sulphide (H2S)
- Flammable Gases
- Oxygen Depletion (O2)
The large single-button and intuitive menu system allows T4 to be operated wearing gloves with minimal training. Crowcon's toughest portable yet, the T4 is durable by design and includes an integrated rubber boot as standard. Drop tested to 4m and well protected from water ingress through IP65 and IP67 certification, T4 allows uninterrupted working in the most demanding environments.
Unique to T4, the TWA Resume function ensures toxic gas exposure is calculated accurately over an entire shift, even if T4 is switched off for a break or during travel to another site.
When most portable detectors are turned off, the algorithm that assesses TWA exposure assumes that it's the end of the shift. When turned on again, these detectors act as if it is a new work shift, ignoring all previous measurements. The TWA Resume, function however, provides the option to include previous measurements within the correct time frame.
With a battery life of 18 hours, T4 allows multiple or longer shifts to be worked between recharging.
Crowcon's visual "traffic light" indication, provides constant visual assurance that T4 is operating soundly and conforms to the site bump test & calibration policy. The bright green and red Positive Safety LEDs are visible to all and offer a quick, simple, and comprehensive indication of monitor status to both the user and others around them.
Product Range
- Crowcon T4-ZICS-H2 T4 3-Gas O2LL, CO (H2 RES), MPS % LEL
- Crowcon T4-ZICS-H2-CRD T4 3-Gas O2LL, CO (H2 RES), MPS % LEL
- Crowcon T4-ZOCA-MD T4 MED 3-Gas (O2,CO,%LEL Methane)
- Crowcon T4-ZOCA-MD-CRD T4 MED 3-Gas (O2,CO,%LEL Methane)
- Crowcon T4-ZOCZ-H2 T4 O2 and H2 Filtered CO
- Crowcon T4-ZOZA-MD T4 MED 2-Gas (O2,%LEL Methane)
- Crowcon T4-ZOZA-MD-CRD T4 MED 2-Gas (O2,%LEL Methane)
Tech Specs
| Specifications | |
|---|---|
| Size | W135 x H80 x D35 mm (5.3 x 3.1 x 1.4in) |
| Weight | 282g (9.9oz) |
| Durability | Drop tested to 4m onto concrete |
| Alarms | Audible >95dB Bright red/blue visual LEDs Integrated vibrating alert |
| Display | Front mounted, backlit. Optional 180° flip for easy viewing whilst worn |
| Logging | 130 hours of data logging; Up to 3500 events |
| Battery | Rechargeable Li-ion 18-hour typical runtime 5.5 hour recharge |
| Operating temperature | -20°C to +55°C (-4°F to +131°F)* |
| Humidity | 10 to 95% RH @ 40°C non-condensing |
| Ingress protection | Independently tested to IP65 and IP67 |
| Approvals | ATEX and UKCA: II 2 G Ex db ia IIC T4 Gb Tamb -20°C to +55°C (T4 Type 2) IECEx: Ex db ia IIC T4 Gb -20°C ≤ Ta ≤ +55°C (T4 Type 2) UL and cUL: Use in hazardous locations Class 1 Div 1 groups A, B, C, D only as to intrinsic safety INMETRO: Ex db ia IIC T4 Gb -20 °C ≤ Ta ≤ +55 °C MED: Directive 2014/90/EU |
| Standards | EMC Directive 2014/30/EU |
| Interface | USB communications lead |
| Crowcon Connect Compatible? | Yes |
| * Toxic and oxygen sensors are not rated for continuous operation above 50°C (122°F) | |
| Gases and Ranges | ||
|---|---|---|
| Gas | Range | Resolution |
| Oxygen (O2) | 0-30% Vol. | 0.1% Vol. |
| Flammable | 0-100% LEL | 1% LEL |
| Hydrogen sulphide (H2S) | 0-100ppm | 1ppm |
| Carbon monoxide (CO) | 0-1000ppm | 1ppm |
Reviews
Additional Information
| SKU | T4-Z-XXXXX |
|---|
