AccessoryRC&Tools
Radiomaster ERS-CU01 Current Sensor
Specifications
About this product
The RadioMaster ERS-CU01 Current Sensor is a compact telemetry module for use with compatible ExpressLRS receivers. Installed inline between the battery and ESC, it measures real-time operating current and voltage for display on your EdgeTX radio. This provides instant insight into system load, efficiency, and power consumption across your entire powertrain.
VIDEO: RadioMaster ERS Series Sensor | Telemetry Module for Compatible ExpressLRS PWM Receivers
Features
- View live current draw and voltage directly on your radio to better understand system performance and prevent overload conditions
- Inline installation for accurate, full-system current measurement
- Supports daisy-chain expansion for additional ERS telemetry sensors as your setup grows
- Seamless ExpressLRS integration
- Compact & Lightweight
SENSOR CONFIGURATION & TELEMETRY LOGGING
To configure this sensor and view telemetry on your EdgeTX radio, install the RadioMaster Sensor Configurator LUA. The LUA allows adjustment of sensor settings, enables proper telemetry display, and supports data logging for post-flight review.
Specifications
- Item: ERS-CU01 Current Sensor
- Operating voltage: 5–8.4V
- Operating current: 22mA
- Current range: 1–150A
- Max voltage: 70V
- Current accuracy: ±0.5A
- Voltage accuracy: ±0.1V
- Continuous current: 100A
- Temperature range: –10 ℃ to +85 ℃
- Size: 30 × 25 × 10.5mm
- Weight: 20.6g
Links
Includes
- 1x ERS-CU01 Current Sensor
- 3x Heat-Shrinkable Tube
- 1x Manual QR Code Card
The RadioMaster ERS-CU01 Current Sensor is a compact telemetry module for use with compatible ExpressLRS receivers.
