High-Frequency Current Transformer Sensor  HSENS-H - Rugged Monitoring
                     M O N I T O R I N G  S I M P L I F I E D
HSENS-H
Highly sensitive and reliable sensor to 
detect real time partial discharge activity 
HSENS-H Highly sensitive and reliable sensor to detect real time partial discharge activity 
Sensor is IP65 rated and integrated features 
of transient overvoltage protection inside 
sensor. Transient protection will help in 
minimizing transients that can be expected 
during PD monitoring.
Ruged Monitoring’s High Frequency Current Transformer sensor HSENS-H is a split core and an 
inductive type sensor that can be clamped around the earth (ground) shield to measure PD signals. 
Based on power cable termination condition, an HFCT sensor can also be clamped around cable 
insulation without earth shield or around the cable with earth shield looped back to measure PD. For 
HFCT clamped around the cable insulation without earth shield or cable with earth shield looped 
back, high current variant can be used for rated load current of cable. 
Features
High Frequency Current Transformer Dierent options of internal diameter 
Rugged, reliable design dimensions
IP65 rated RG223 high noise immunity cable
Split core design for easy installation TNC connector for reliable connection
Transient overvoltage protection integrated 
inside Sensor
Applications 
Online periodic partial discharge monitoring
Oine PD measurement during HV AC testing
Multiple point PD monitoring
Cables, joints and terminations
Rotating machines
AIS/GIS switchgear
Power transformers
01
HSENS-H
Benefits
Transient overvoltage protected Stainless steel robust latch to keep split 
Noise immunity core closed
IP65 rated Customizable according to customer 
specific applications
Rigorously tested
Suitable for Online or Oine PD 
Split core for easy installation measurements
Technical Specifications
Type Split Core
Typical Frequency Response (-6dB) 100 kHz-25 MHz
SENSOR
Material Rugged Plastic (Black), Other options available
Current Ratings 50 A, other options available 
HFCT-3  220 mm (L) x 118 mm (W) x 33 mm(H) (ID=30 mm)
HFCT-5 220 mm (L) x 163 mm (W) x 28 mm (H) (ID=30 mm)
MODELS
HFCT-9 265 mm (L) x 200 mm (W) x 38 mm (H) (ID=90 mm)
HFCT-14 330 mm (L) x 275 mm (W) x 38 mm (H) (ID=140 mm)
Type RG223
Cable Gland (Sensor End) and TNC connector (Monitor End), 
Connectors
SIGNAL CABLE other options available
Cable Length 5m, other options available
IP Rating IP65
Ambient -30˚C - 70 ˚C
TEMPERATURE
Storage -40˚C - 85 ˚C
Ordering Code Internal Diameter Options
007 = 7 mm
03 = 30 mm
05 = 50 mm (Std)
09 = 90 mm
Model of Sensor 14 = 140 mm Sensor Material
(z = 0 to 9) 0 = Rugged Plastic - Black (Standard)
1 = Aluminuim
H s e n s - H z - y y - X X - W V Sensor Connector
0 = TNC (Standard)
1 = BNC
HFCT Sensor Cable Length 2 = SMA (Std for 7mm diameter)
004 = 0.4 m (Std for 7mm diameter)
High Frequency 05 = 5 m (Standard)
Partial Discharge Sensor 10 = 10 m
15 = 15 m
20 = 20 m
02
DS0013R01_HSENS-H_EN_A4
Asset Monitoring : 
Enterprise Architecture
Compatible with Rugged Monitoring Enterprise Solution
UI UX
- Data Layer
- Analytics
- User Interface
- Custom Dashboards
- Reporting
- Email/SMS Notifications
RM EYE
06
Private Cloud (Customer Cloud), 
Rugged Monitoring Cloud
IEC 60870-104 ODBC
IEC 61850 MODBUS
FTP/SFTP DNP 3.0
- XML, JSON
- CSV, COMTRADE Data Collection HTTPS
MQTT
Asset Data
Transformer
Switchgear Power Cable - Oine Test Results - Historian Power Electronics
Monitoring 
Monitoring Monitoring - Inspection Records - CMMS (Battery, UPS, 
System 
System System - Name Plate - SCADA/ DCS VFD, Relay)
03
One Solution for Multi-Site 
Multi Asset Monitoring
Manage dierent industrial assets on one platform 
without human intervention
Features
Advanced and Exceptional Reporting Built on well-established remote and 
Technology with automated alerts cloud-based monitoring technology
Modern remote monitoring solutions provide Simple user-friendly interface providing 
valuable insights to Multiple Assets at Multiple fast access to all the features and commands
Sites on real-time
Quick and easy 1 step configuration setup
Robust asset health monitoring 
with analysis and recommendations support Encompasses a secure access to data 
asset eectiveness in addition to maximizing and configuration
equipment uptime Advanced asset algorithms based on 
Establish a real time and consistent standard ones with new ideas 
monitoring by getting the right information Systematic fleet management and analysis
into right hands 
Extended multilingual support to handle 
An ecient, reliable partial discharge product inquires or troubleshoot problems 
monitoring for all the assets proactively
A detailed comprehensive DGA Analysis Up System Level Reporting
Lifetime Consumption details. Industrial IoT
Features Specific to PD Monitoring
Partial Discharge monitoring and Analysis Realtime PD Alarm system
PRPD : Phase resolve partial discharge Get Alarm notifications for individual 
Partial Discharge Amplitude and Discharge bushing parameters over Email, sms and 
rate trend analysis push notificaions
Partial Discharge Fault localization Analytics on Online, and oine partial 
discharge test data
Artificial Intelligence based PD fault 
Identification
04
Why Customers Choose Us?
RM solution, the trusted monitoring solution for over 10000+ assets across 50+ countries. 
We are a leading High Value Electrical Asset Monitoring Company integrating fibre optic 
technology to the assets.
Attention to Details A plan for Success
It’s our attention to the small stu, Our Customers are well satisfied with 
scheduling of timelines and keen project the advisory services that we oer to 
management that makes us stand out from help them with best in class 
the rest. technological performance and a long 
durable life. 
Experts only Meeting Deadlines Money Matters
We bring in our diversified Work with us, and you’ll work We protect you 
experienced team with over with seasoned professionals – against currency 
100+ years of experience in vigilant of deadlines, and fluctuation with 
Asset Monitoring committed to exceeding client competitive and fair 
expectations. market prices
05
Rugged Monitoring Services About Rugged Monitoring
Rugged Monitoring provides customization of Industry’s leading team of asset condition 
sensors, monitors & software. In addition we monitoring experts with 100+ years of 
oer on-site commissioning services, combined experience committed to delivering 
maintenance contracts and technical support to customizable solutions for challenging 
all customers worldwide. applications. We oer a range of reliable, high 
performance, customizable sensors and 
monitoring solutions that are immune to 
external influence.
Certification
ISO 9001 ISO 14001 ISO 45001/ Llyod’s ATEX
OHSAS 18000 Register Certification
06
Our Presence Across the Globe
Head Oce
Canada
1415 Frank-Carrel, Suite 
230, Quebec, QC - G1N 
4N7, CANADA
+1-418-767-0111
Asia Pasific India Europe Latin America Middle East North America
ruggedmon ©2021 Rugged Monitoring Company. All rights 
reserved. Information subject to change 
[email protected] without notice. All trademarks are properties of 
www.ruggedmonitoring.com their respective companies, as noted herein.
M O N I T O R I N G  S I M P L I F I E D