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SC8 External Jack Sensor

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The SC8 External Jack Sensor is our base level external sensor device. It includes the same functionality of the SC18 except with a reduced wireless range and non-upgradeable firmware. It accepts up to 4 individual external sensors at one time. We offer a selection of AC Current (CT) sensors ranging up to 200A and compatibility with 3rd party plug type sensor providers. Our DataRecorder and configuration utility software can be programmed to display the proper measurement units for the individual sensor inputs.

Schneider Electric, Veris Industries, Onset, and other manufacturers also offer a range of compatible sensors including air pressure, CO2, 4-20mA, 0-10V, and more. Remote email or text (SMS) alarms can also be enabled with our HaloCloud service.




What's Included:

  • SC8 External Jack Sensor
  • 2 AAA batteries (installed)


  • Secure reliable wireless transmission of external jack type sensor inputs
  • Accepts Paragon AC Current (CT) external sensors
  • Compatibility with 3rd party external sensor providers - Schneider Electric, Onset, and others.
  • External sensors available for AC Current, air pressure and velocity, CO2, water levels and temperature, Conductivity/Salinity, Dissolved Oxygen, 4-20mA, 0-10V, and more
  • Low power design - Battery powered sensor provides installation location flexibility
  • Unmatched battery life expectancy – 7-10 years
  • Compact size convenient for easy installation
  • Industry leading data storage – up to 120 Billion points
  • Powerful DataRecorder software included to chart, log, monitor all individual sensors
  • HaloCloud service for access to remote sensor data and configuration from anywhere including from Tablets, Smart Phones, Remote PCs
  • Programmable individual sensor alarm set points and alarm notification via email or Text message with HaloCloud service
  • Complete setup requires one System Gateway (GW2 or GW3). Add sensors as needed with scalable system and gateways capable of handling hundreds of sensors at a single location
  • Compliant to RoHS Directive 2002/95/EC

Application Examples:

  • Energy Management, Auditing, Monitoring, Analytics
  • HVAC Systems
  • Industrial Process Monitoring
  • Water/Wastewater process monitoring
  • Environmental Data Acquisition and Studies
  • Medical /Pharmaceutical
  • Petrochemical
  • Agriculture
  • R&D

Compatible External Sensors:


Measurement Range External sensor
AC Current 0-10A, 0-20A, 0-40A (switchable) CT40
AC current: 0-30A, 0-60A, 0-120A (switchable) CT120
AC current: 0-200A CT200
Pressure 0-200psi PRS300B
Analog Input 0-2.5V CST25
0-5V CST5
0-10V CST10
4-20mA CST420


Model Number


Measurement Channels

4 channels


External plug/jack

Measurement Range

External sensor range


Programmable for external sensor units

External Sensor Options

AC Current, Air pressure and velocity, CO2, Water levels and temperature, Conductivity/Salinity, Dissolved Oxygen, 4-20mA, 0-10V and more

Sample Rate

10 Hz to 32 Hrs

Sensor Response Time (90%)

External sensor dependent



Calibrated Accuracy


Digital I/O Channels


Temporary Sensor Memory

1000 data points

Long -term Memory (using Gateway):

Up to 120 billion data points

LED Indicator

Green, power and programming indicator

Required Interface Package

Gateway GW2 or GW3

Wireless Data Security

AES-256 Encryption

Radio Power


RF Carrier Frequency

902-928 MHz

RF Transmit Data Rate

Auto-adjusting 32-196kbps

Hopping Channels




Transmit Power


Receiver Sensitivity

-110dBm typical

Range (Line of sight)

Up to 1200' (0.25 mi)

Range (Typical indoors)

Up to 100'

Power Requirements

Battery operated - Std 2 AAA

Typical Battery Life

7-10 years

Enclosure Material

Ruggedized polycarbonate plastic

Upgradable Firmware




Operating Environment

-40~ 85°C (-40~ 185°F); 0~95%RH non-condensing using optional lithium batteries (supplied alkaline batteries -15~ 55°C)


70x45x22 (mm) (2.76" x 1.77" x 1.73")


5oz. with batteries




One (1) year parts and service

Order Online:
USA Office

Address: 1480 Gulf Road, Suite 837,
PO Box 1364
Point Roberts, WA 98281

Western Canada - Vancouver BC

Tel:1.800.663.6001 or 1.604.925.6150
Address: 2454 Haywood Ave
West Vancouver, BC V7V 1Y1

Eastern Canada - Markham, Ontario

Tel:1.800.465.0164 or 1.905.513.7027