Portable Multi-Gas Detector · Gas Detection
The Crowcon Crowcon T4x is a portable multi-gas detector. It is normally installed in a controlled safety-equipment location and carried to the work site. It is designed for atmosphere testing before and during enclosed-space or hazardous work. In operation, electrochemical, catalytic, infrared or other fitted sensors convert gas concentration into alarms. The supplied entry gives no additional verified capacity, pressure, power or dimensional figure for this model. Compared with neighbouring models, the relevant differences are sensor combination, sampling pump, data logging, wireless functions and approvals; these must be confirmed from the installed documentation rather than inferred from the model designation alone. Service and survey attention should concentrate on bump/calibration status, sensors, battery, pump/filters, alarms and sampling accessories. For exact ratings, dimensions, tolerances, test limits and model-specific settings, refer to the manufacturer documentation for the exact figure.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, Crowcon first.
What our service work and the manufacturer documentation say about keeping this model running.
Perform manufacturer-approved bump, calibration or functional tests and verify the actual fitted gas/sensor configuration. Inspect sampling hoses/filters/pumps or optical paths as applicable, battery/power, alarms and controller interfaces. Confirm sensor locations remain suitable after vessel modifications and maintain valid calibration gas where required.
Carry manufacturer-approved sensors where onboard replacement is permitted, filters, sampling hose, pump consumables, batteries/chargers, fuses and selected controller or relay modules. Maintain suitable in-date calibration gas and regulators for the installed sensor types.
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