Rechargeable Li-ion Up to 35 hours run time with MPSTM sensor fitted; 5.5 hour recharge.
135 x 80 x 35mm (5.3 x 3.1 x 1.4in).
282g (9.9oz).
Drop tested 4m onto concrete.
Audible Vibrating Visible:
95dB
Integrated
Bright red & blue LED’s.
95dB
Integrated
Bright red & blue LED’s.
T4x:
ATEX and UKCA: II 1 G Ex ia IIC T4 Ga
-)1 epyT 4T( C°55+ aT C°02
)1 epyT 4T( C°55+ aT C°02- aG 4T CII ai xE : xECEI
UL USA and cUL: Use in hazardous locations Class 1 Div 1 groups A,B,C,D only
as to intrinsic safety.
ATEX and UKCA: II 1 G Ex ia IIC T4 Ga
-)1 epyT 4T( C°55+ aT C°02
)1 epyT 4T( C°55+ aT C°02- aG 4T CII ai xE : xECEI
UL USA and cUL: Use in hazardous locations Class 1 Div 1 groups A,B,C,D only
as to intrinsic safety.
Operating temp Humidity:
Ingress protection
20 to +55°C (-4°F to +131°F)*
10-95% RH @ 40°C non-condensing Independently tested to IP65 and IP67.
Ingress protection
20 to +55°C (-4°F to +131°F)*
10-95% RH @ 40°C non-condensing Independently tested to IP65 and IP67.
Available separately:
10 unit cradle charger; Vehicle charger
Clip on dust filter plate
I-Test automated bump test and calibration station.
10 unit cradle charger; Vehicle charger
Clip on dust filter plate
I-Test automated bump test and calibration station.
| 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 Up to 18 hour typical runtime (Standard sensor option)Up to 35 hours runtime (MPS and LLO2 options) 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 1 G Ex ia IIC T4 Ga -20°C ≤ Ta ≤ +55°C (T4 Type 1)
IECEx Ex ia IIC T4 Ga -20°C ≤ Ta ≤ +55°C (T4 Type 1) UL and cUL: Use in hazardous locations Class 1 Div 1 groups A,B,C,D only as to intrinsic safety MED Directive 2014/90/EU (Pending) UKCA MED (MSN1874) |
| Interface | USB communications lead |
| Accessories |
Included with T4:
Integrated alligator clip and tethering loop Bump/Calibration plate Available separately: |
| Crowcon Connect Compatible? | Yes |


