Are you a manufacturer of lone worker alarm devices and wish to demonstrate the quality of your products?

A lone worker alarm device LWAD is carried by a worker who is 'out of sight and hearing' of other workers. Initially, the device enables the transmission of an alarm—indicating a critical situation for the wearer—to a designated individual or service responsible for alerting emergency responders. 

Over the years, LWAD has evolved from a basic function embedded in radio equipment with minimal capabilities to a solution compatible with numerous public devices (tablet, smartphone, belt, vest, watch, badge, etc.), enabling the management and/or protection of individuals locally and/or remotely, both indoors and outdoors.

Our expert engineers have drafted a technical specification defining requirements and test conditions for evaluating lone worker alarm devices. This specification aims to verify the accuracy of the technical characteristics of the functions stated in the LWAD user manual.

• Alert
• Detect loss of verticality
• Detect absence of movement
• Detect loss of communication link
• Detect low battery level
• Include geolocation function

• Heat resistance
• Cold resistance
• Humidity resistance
• IP and IK protection rating
• Drop test

• Optionally, at the manufacturer's request, the performance of additional integrated functions or environmental resilience (e.g., alerting, privacy, operating autonomy…) may be evaluated, and included in the certificate of conformity.

The CNPP Certified certification is a reference, assuring the market of the performance of your lone worker alarm device. This certification is based on the technical specification ST LPMES DEC 20.003, developed by our specialized laboratory engineers. Their experience in conducting associated tests and their expertise in drafting French and European standards reinforce the reliability of this certification.

1. CNPP ST DEC 17 04 'Connected Objects – Requirements and Test Methods'
2. NF EN 60068-2-1 'Environmental Testing – Cold'
3. NF EN 60068-2-2 'Environmental Testing – Dry Heat'
4. NF EN 60068-2-78 'Environmental Testing – Damp Heat, steady state'
5. NF EN 61000-4-2 'Electrostatic Discharge Immunity Test'
6. NF EN 61000-4-3 'Radiated RF Electromagnetic Field Immunity Test'
7. NF EN 50131-5-3 'Requirements for interconnection equipment using radio techniques'
8. NF EN 60529 & NF EN 60262 'Degrees of protection provided by enclosures'
9. IEC 60068-2-31 'Environmental testing – Rough handling shocks'
10. French Labour Code (Art. L.4121-1 to L.4121-3)

CNPP Certified is a certification that recognizes the performance and reliability of your lone worker alarm devices both in France and internationally. It is based on a technical specification drafted by our expert engineers and is recognized by safety professionals.

The certification is granted following laboratory testing, accompanied by an evaluation report detailing the results of controls, tests, and measurements, confirming your LWAD’s compliance with the technical specification.

• Increased trust: CNPP Certified assures clients that the DATI LWAD has been rigorously tested and meets defined requirements.
• Quality assurance: The certification is a mark of quality, guaranteeing a reliable and high-performance system, reducing long-term maintenance and replacement costs.
• Market advantage: Your lone worker alarm device stands out from the competition, increasing your market share.

Have your lone worker alarm devices (LWAD) certified and demonstrate the quality of your products. Consider CNPP Certified!