Elsys ERS CO2 (ERS CO2)

Elsys ERS CO2 (ERS CO2)
Security Grade C Calculator v1	Elsys ERS CO2 (ERS CO2) Brand: Elsys (Parent: Elektroniksystem i Umeå AB) Category: Indoor Climate Sensor (CO₂ + Temperature + Humidity + Light + Motion) • Model / Gen: ERS Series ERS CO2 / ERS2CO2 Release Date: 2019-03-01 • Status: In sale Classification Date: 2026-10-24 • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof
Known vulnerabilities	Rare	🔗 Proof
Prior attacks	None	—
Updatability	Rare	🔗 Proof
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof
Communications	Encrypted with up-to-date encryption	🔗 Proof
Storage	Encrypted with up-to-date encryption	🔗 Proof
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Basic	🔗 Proof
Authentication	Basic	🔗 Proof
Brute-force protection	Absent	—
Event logging	Partial logging	🔗 Proof
Passwords	Require change after setup	🔗 Proof
Category Score	Score: 3 / 3

Technical Specifications

Property	Details
Operating System & App	N/A (firmware-based) (Companion App: Elsys Sensor Settings (NFC))
Hardware (CPU / GPU)	CPU: N/A (MCU-based LoRaWAN end device) • GPU: N/A
Memory & Storage	Memory: N/A • Storage: N/A (no local historical storage mentioned)
Power, Battery & Charging	Battery: 1 or 2 × 3.6 V ER14505 AA Lithium (Li-SOCl₂) • Power: Battery powered • Charging: N/A (non-rechargeable, replaceable)
Display & Camera	Display: N/A (optional traffic light LED) • Camera: N/A
Sound & Connectivity	Sound: N/A • Connectivity: LoRaWAN® (Class A, OTAA/ABP), NFC
Physical (Dimensions & Mass)	Dimensions: 76.4 × 76.4 × 22.5 mm • Mass: 70–95 g (with batteries)