Crowcon T4 - Specification

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4. Specication
Detector type T4
Gases* O
2
, H
2
S, CO*, FLAM Pellistor
Size (d x l x w)
(excluding clip)
35mm x 135mm x 80mm (1.4 x 5.3 x 3.1 inches)
Weight 4 gas 282g (9.9oz)
Alarms Audible>95dB
Visual – all angle dual red/blue LEDs
Vibrating alert
+ve Safety™
Display Front mount with optional 180 degree ip for ease of view
Data logging 130hrs @ 10 second intervals
(Approximately 78,000 logs)
Event logging Alarm, over range, calibration, bump, on/off, TWA,
(Approximately 3500 events)
Battery
Rechargeable lithium-ion battery
Up to 18 hours runtime
Typical charge time 5.5 hours
Operating temperature -20°C to +55°C

Storage -25°C to +65°C (-13°F to +149°F)
Humidity 10 to 95 % RH
Ingress protection Independently tested to IP65 and IP67
Approvals
IECEx : Ex d ia IIC T4 Gb Tamb -20°C to +55°C
ATEX:
II 2 G Ex d ia IIC T4 Gb Tamb -20°C to +55°C
UL: Gas detector use in hazardous locations Class 1 Division 1
Groups A, B, C and D only as to intrinsic safety
Marine Equipment Directive:
Lloyds Certicate Number : MED 1500019
Compliance CE, FCC and ICES-003
Complies with EMC Directive 2004/108/EC
Communications Interface Data connection for use with Portables Pro 2.0 PC Application
Charging options T4 Cradle Charger with multi-region power supply
T4 10 Way Charger with multi-region power supply
T4 Vehicle Charger with auxiliary input adaptor
* CO H
2
Immune sensor option available
 Sensors may be degraded at the higher temperatures subject to individual sensor specications
Contents
Exit
Prologue
Operation
Maintenance
Specication
Accessories
Troubleshooting
Appendices
Warranty
Set-up