CT103 – LoRaWAN Compact RMS Current Sensor with NTC Probe – Milesight
 General Description
 Milesight 's CT103 is a smart current sensor that accurately measures RMS current up to 100 A. It is compact and features an SMA connector for the LoRaWAN® antenna, an NTC temperature sensor (-20°C to 100°C), a USB Type-C port for power and configuration, and an LED status indicator. Designed for industrial or commercial applications, it is easy to install on conductors via its integrated CT clamp.
 Targeted Applications
-  Monitoring electricity consumption in buildings
 
 - Predictive maintenance in industrial installations
 
-  Monitoring electrical circuits in a constrained environment
 
-  Energy control with integrated temperature measurements
 
 Highlights
-  RMS current measurement with ±1% accuracy
 
-  Built-in NTC temperature sensor (-20°C to 100°C)
 
-  LoRaWAN® technology with SMA antenna connector
 
-  USB Type-C port for power, console or sensor
 
-  Quick installation with clamp and cable tie
 
-  Compact, lightweight and durable housing (UL94 V0)
 
-  IP30 protection rating
 
 Technical Specifications 
|  Electrical Measurements | 
|  Measured parameter | 
 RMS current | 
|  Sampling frequency | 
 3.3 kHz | 
|  Working frequency | 
 50~60 Hz | 
|  Nominal current | 
 100 Arms (primary) / 100 mArms (secondary) | 
|  Minimum current detected | 
 6 Arms (1 min) / 4 Arms (10 min) | 
|  Precision | 
 ±1% (>5 Arms), ±3% (≤5 Arms) | 
|  Resolution | 
 1 mA | 
|  Temperature Sensor | 
|  Kind | 
 NTC | 
|  Beach | 
 -20°C to 100°C | 
|  Precision | 
 ±1% | 
|  Wireless Transmission | 
|  Technology | 
 LoRaWAN® | 
|  Antenna connector | 
 1 × SMA female (50 Ω) | 
|  Frequencies | 
 CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1/2/3/4 | 
|  Transmit power | 
 16 dBm (868 MHz), 22 dBm (915 MHz), 19 dBm (470 MHz) | 
|  Sensitivity | 
 -137 dBm | 
|  Fashion | 
 OTAA / ABP – Class A | 
|  Interfaces and Configuration | 
|  USB | 
 1 × Type-C (power supply, console, temperature probe) | 
|  Button | 
 1 × reboot | 
|  Indicator | 
 1 × Status/Alarm LED | 
|  Configuration | 
 Via USB Type-C or Downlink | 
|  Physical Characteristics | 
|  Food | 
 By induction or USB Type-C (5 V) | 
|  Insulation voltage | 
 2.5 kVac (1 mA / 1 min) | 
|  Operating temperature | 
 -20°C to 70°C | 
|  Storage temperature | 
 -25°C to 80°C | 
|  Relative humidity | 
 ≤ 95% (non-condensing) | 
|  Protection index | 
 IP30 | 
|  Dimensions | 
 86.5 × 31 × 37.4 mm | 
|  Weight | 
 85.65 g | 
|  Cable passage | 
 F 16 mm | 
|  Facility | 
 Suspended CT clamp, transmitter in cable clamp mounting | 
|  Compliance | 
|  Certifications | 
 CE, FCC, UL508 | 
 Interfaces and Connectors
 The CT103 features a multi-function USB Type-C port, an SMA connector for LoRaWAN antenna, and supports the addition of an NTC probe. It also has a reboot button and a built-in LED indicator.
 Pack Contents
-  1 × CT103 Current Sensor
 
-  1 × User Guide
 
-  1 × Fixing kit (clamps, screws)