Description
Perseus Monitoring 145
Perseus Monitoring 145 is a solution for remote monitoring on-site with or even without LAN, featuring an LTE modem for connectivity backup. It supports external sensors (up to 1000 variables) via 4x RJ11 ports (1W-UNI) or 1x RS-485 (Modbus/RTU). Multiple DI / DO (relay) and a WLD port are available.
Email alerts, SMS, and calls can be sent directly from the device for alarming. Connectivity to the Portal includes Graphs, SNMP, and Device Invalid alerts. Perseus supports local conditions and actions in the device using Lua scripting.
Remote Monitoring and Data Analysis
Perseus Monitoring 145 is a remote environmental monitoring device with advanced alarming, local conditions, and actions. It integrates all sensors at remote sites such as telco rooms, industrial machines, or warehouses.
Data from external physical sensors and HWg devices connected via LAN are analyzed. Local conditions, Lua scripting, and scheduling features assist in data processing. Alerts can be triggered via relay outputs, standalone alerts (SMS, Call, Email), or through the SensDesk Technology Portal.
Connectivity and External Sensors
- 4x Digital Inputs (DI) for dry contact detectors
- 2x Relay Outputs (DO) for controlling external devices like air conditioning, ventilation, or doors
- 1x WLD zone port for external water sensing cables up to 185m
- 4x RJ11 ports for 1W-UNI sensors
- 1x RS-485 port for generic Modbus/RTU sensors
- LAN-based sensor data analysis via Meters API (STE2 R2, SNMP, etc.)
Unique Meters API Feature
Perseus Monitoring 145 can read and analyze sensor data from external LAN devices. For example, it can compare temperature readings from a 1W-UNI sensor, an external STE2 R2 thermometer, and a UPS temperature probe (SNMP – Meter API). Alerts can be triggered when multiple sensors exceed critical values.
LTE Modem for Backup Connectivity
The internal LTE modem provides backup connectivity to the Portal and enables SMS and call alerts. The LTE modem can also function as an SMS gateway for other HWg devices.
Alerting Options
- Email alerts (requires SMTP server)
- Internal LTE modem can send SMS or call predefined numbers
- Relay output switching based on sensor values
- Perseus Open API support (SNMP, Modbus/TCP, MQTT)
Typical Applications
- Remote machine monitoring
- Warehouse and storage space monitoring
- Technical room and telco site monitoring
- Remote environmental monitoring
- Pharmaceutical and warehouse environment monitoring
- Base transceiver station monitoring
- Greenhouse monitoring
Mobile App: HWg Monitor
- Displays all temperature and detector states
- Compatible with Android and iOS
- Shows sensor values on a single screen
- Works as a pocket sensor display or a wall-mounted monitor
HW Group Cloud Portals

Free HWg-cloud.com portal service:
- Send email alerts from the portal (e.g., for a missing sensor) with long-term reliability.
- Alerts for disconnected or invalid devices are available via email.
- View a single-value graph with short history.
- Alarm escalation via email supported.
- Remote relay output switching based on sensor data.
- Centralised alert overview and management.
- Free service provided by HW Group.


Paid portal service:
- Includes all features of HWg-cloud.com.
- Alerts via email, SMS, and voice calls.
- Virtual sensors in the portal (e.g., averaging multiple sensors).
- Multi-graph support with several years of historical data.
- User account API available via SNMP or XML.
- Automated reports in PDF format.
- Multi-user account support.
- SensDesk.com (SaaS service) is available, or you can use any other portal provider.
- SensDesk Portal On-Premise – run your own portal on your server.











5 Devices | 1 User | 30 Day Log | 1 Report










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