The family of Electrical Energy Meters dedicate to precise energy measurement and consumption data acquisition. The portfolio delivers stable and superior metering performance alongside full-lifecycle security protection capabilities. Below are the core security features:
- Secure Boot, Root of Trust and Secure Upgrade
- DLMS Security Suite-compliant key negotiation and message encryption protocols
- Integrated message replay prevention mechanism
- "One meter, one key" dynamic key rotation technology
- Comprehensive defense against tampering and malicious cyber attacks
- End-to-end security coverage for data collection, transmission and storage
PSA Certified Level 1 Details
| Certificate Number: | 0632793520788-10103 |
| Date of Issue: | 29/01/2026 |
| Test Lab: | SGS Brightsight |
| Certification Holder: | Shenzhen Star Instrument Co., Ltd. |
| Certified Product: | DDS26D, DTS27, DDSY23S, DTSY23S, EK315, EL335 |
| Hardware Version: | V12 |
| Software Version: | SSE v4.0.0 |
| Certification Type: | PSA Certified Level 1 v3.1 BETA 01 |
| Developer Type: | PSA Certified – Device |