FAV0220-14
Wireless DC Voltage Level Sensor
The Wireless DC Voltage Level Sensor from Fidar Electronics reads DC voltage from 0 to 24 V and records how it sags over time. It links over a LoRa radio with no cabling at all.
Measures DC voltage from 0 to 24 V
Under- and over-voltage alarm thresholds
Built for battery and control-supply health
LoRa radio link up to 1 km line of sight
AES-128 encrypted payloads
Pairs with the FWL1600-01 LoRa card
No cabling; pairing takes seconds
Low-battery warning per node
A DC voltage level sensor reads the actual value from 0 to 24 V, not merely whether voltage is present. On battery systems, 12 V and 24 V control supplies and solar circuits, a slow sag is the first evidence of an ageing battery or an overloaded supply. Batteries rarely fail all at once — for weeks beforehand the on-load voltage creeps down, and a threshold catches it then rather than when service is already lost.
Key features
Measures DC voltage from 0 to 24 V
Under- and over-voltage alarm thresholds
Built for battery and control-supply health
LoRa radio link up to 1 km line of sight
AES-128 encrypted payloads
Pairs with the FWL1600-01 LoRa card
No cabling; pairing takes seconds
Low-battery warning per node
Connectivity
LoRa link up to 1 km with AES-128 encryption
Quick pairing with the FWL1600-01 receiver card
Sensor-fault and low-battery warnings before the cell dies
Where it is used
Battery bank and emergency-power voltage monitoring
Health of 12 V and 24 V control-panel supplies
Charge controller and battery voltage in solar systems
Telecom equipment, towers and remote radio sites
PLC and instrumentation supply monitoring
Detecting voltage drop on long DC feeders
Installation
Wire the input in parallel with the circuit under test and observe polarity.
