Milesight CT30x LoRaWAN Smart Current Transformer Sensor Energy Meter
The Smart Current Transformer is a LoRaWAN®-enabled device with an innovative, non-intrusive quick installation. It accurately estimates energy consumption with a sampling rate up to 3.3kHz and calculates cumulative ampere-hours every second, helping identify energy usage patterns for effective savings.
- Self-Powered Operation
- Superior Accuracy with Up to 3.3kHz Frequency
- Real-time Accumulated Ampere Hour Calculation
- Non-invasive Installation
- Irregular Current/Temperature Status Alert
- Innovative One-to-Three Design
- LoRaWAN® Wireless Deployment
Multi-Target Current Measurement
With a one-to-three design, the current transformer can be applied to measuring up to three different objects' electricity.
Non-Invasive Installation
The user-friendly current clamp probe is designed for non-invasive and quick installation, eliminating the risk of circuit damage or power interruptions.
Self-Powered: No Batteries, No Limits
The CT3xx is designed to derive power directly from the measured circuit, eliminating the constraints of batteries while ensuring seamless operation
Superior Accuracy
Outperform other competitors on the market, CT3xx boasts an impressive high sampling frequency of up to 3.3kHz, guaranteeing unparalleled accuracy and detail.
Efficient Energy Tracking At One-Second Interval
Calculate accumulated ampere hour in real-time at a one-second interval. This enables precise current consumption monitoring and analysis, achieving goals such as energy conservation and reduced operational costs.
Specifications
| Electrical Measurement |
| Detection Parameter |
RMS Current |
| Sampling Frequency |
3.3 kHz |
| Working Frequency |
50~60 Hz |
| Rated Primary Current |
CT305: 500 Arms
CT310: 1000 Arms
|
| Rated Secondary Current |
150mA |
| Start Current |
CT305: 30 Arms
CT310: 60 Arms
|
| Accuracy |
±1 % |
| Resolution |
1 mA |
| Temperature Sensor |
Sensor type: 1 × NTC Sensor
Measuring range: -20°C ~ 100°C
Measuring accuracy: ±1 % |
| Wireless Transmission |
| Protocol |
LoRaWAN® |
| Antenna Connector |
1 × 50 Ω SMA Connector (Center PIN: SMA Female) |
| Frequency |
CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
| Tx Power |
16 dBm (868 MHz)/20 dBm (915 MHz)/19 dBm (470 MHz) |
| Sensitivity |
-137dBm |
| Mode |
OTAA/ABP Class A |
| Others |
| Button |
1 × Reboot Button |
| LED Indicator |
1 × Status/Alarm Indicator |
| Port |
1 × USB Type-C for Power Supply, Console or Cable Temperature Sensor Connection |
| Configuration |
USB Type-C or Downlink |
| Physical Characteristics |
| Power Supply |
Induced current power supply |
| Insulation Voltage |
3kVac(r.m.s)(1mA/1min) |
| Color/ Material |
Blue, PBT+PC (UL94 V0) |
| Cable Length |
1m |
| Operating Temperature |
Transceiver: -20°C~70°C (-4°F~158°F)
CT Clamp: -40°C~55°C (-40°F~131°F) |
| Storage Temperature |
Transceiver: -25°C~80°C (-13°F~176°F)
CT Clamp: -40°C~55°C (-40°F~131°F) |
| Relative Humidity |
≤ 95% (Non-condensing) |
| Ingress Protection |
IP30 |
| Dimensions |
Transceiver: 38 × 39.7 × 16 mm (1.5 × 1.56 × 0.63 in)
CT305 CT Clamp: 65.52 × 90 × 43 mm (2.58 × 3.54 × 1.69 in)
CT310 CT Clamp: 97.9 × 119 × 60mm (3.85 × 4.69 × 2.36 in)
CT305 Wire Hole: Ф 36.6 mm (Ф 1.44 in)
CT310 Wire Hole: Ф 51 mm (Ф 2.01 in)
|
| Weight |
Transceiver: 13.05 g
Per CT Clamp: 276.75 g (CT305), 855.55 g (CT310) |
| Installation |
Transceiver: Cable-tie Mounting (under integrated mode)
CT Clamp: Suspended on the Testing Conductor |
CT3xx Datasheet
CT3xx User Guide
Payload Decoder
Firmware & SDK Download
