Before equipment failure
Before increased run time - $$$
Before product loss (refrigeration)
Before environmental impact

Merlin Monitor currently uses WiFi, Cellular (GPRS), and LoRa connectivity with multiple supported protocols for each.
Type | Interface/Module | Protocols Supported |
|---|---|---|
Wi-Fi | ESP32 | HTTP/HTTPS, MQTT, WebSocket, CoAP, TCP/UDP, mDNS/DNS-SD, SNTP |
Cellular (GPRS) | Blues Notecard (GPRS) | HTTPS (to Notehub), TLS, JSON over I2C/UART (to MCU), REST API |
LoRa | Blues Notecard (LoRa) | LoRaWAN, JSON over I2C/UART (to MCU), Secure cloud sync via Notehub |
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This versatile tool can be used in a variety of places, saving both commercial business owners and residential homeowners money.
Notified long before performance problems - Notification via BacNet, IoT, Email, and/or local alarms - Interval Health Reports via Email, Check in anytime via internet
Scientific, Pharma, Biotech, Server Rooms, Commercial Refrigeration
Large Equip = Large refrigerant charge = Large refrigerant loss - Alerted at 10% loss, not breakdown at 50% loss
Know ahead of time how your own home HVAC system is performing
Local, long haul or rail car.
Merlin Monitor provides very early detection of loss of refrigerant resulting in less atmospheric contamination and a reduced carbon footprint.


Merlin Monitor saves money by alerting you at the earliest sign of refrigerant loss before the unit begins to run longer to maintain temperature.
Merlin Monitor detects refrigerant leaks earlier than any other monitor on the market, making it easier for you to take action before an unexpected disaster.


By using Merlin Monitor, you'll be able to turn an unplanned emergency into planned maintenance, reducing the need and expense of urgent service calls.