December 02, 2015

Safety Concern for Class I, Division 1 and Zone 0 Installation, Tracero sounder

  • Type of Notification: Product Safety Notification
  • FM Approval Status: FM Approved

Alert Summary


FM Approvals has been made aware of products fitted with a non-compliant sounder which are a potential ignition hazard when used in a Class I, Division 1, Groups A, B, C and D and Zone 0 Group IIC hazardous (classified) locations.  See attached Product Alert HN0001 Rev. A issued by Tracerco.


Company Identity


Belasis Hall Technology Park

Billingham, Cleveland TS23 4EA, United Kingdom


Contact information

General Telephone: +44 (0) 1642 375500


Product Identity

Contamination & Radiation Monitors manufactured from May 2007 to date.



T201 Contamination Monitor; T202 Radiation Monitor


FM Approval status

All models bearing the FM Mark


Hazard Involved

T202 and T201 Radiation Monitors fitted with a non-compliant sounder are a potential ignition hazard. Until modified the affected products are no longer FM Approved in accordance with the label markings and are not suitable for use in areas where explosive atmospheres may be present. Use of the affected products in areas where explosive atmospheres are present could result in serious personal injury, death and/or property damage. The affected Products must be removed immediately from areas where explosive atmospheres may be present. The affected Product must be returned to Tracerco for modification of the integral sounder.

Using This Product?

If you suspect you are in possession of any of the affected equipment listed above bearing the FM Approvals certification marking, please bring that to the attention of:

Antonio Pires

Norwood, MA, United States

+1 (1) 781-255-4825


Safety-related concern

  • Tracero sounder

    Part 1

  • Tracero sounder

    Part 2