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SA 30i and SA 10i the Leakage Current Analyser and Leakage Current Meter from SCOPE are two state of the art on-line test system for Residual Life Assessment of metal oxide (Zno) Surge Arresters. The instrument measures and directly displays the values of resistive and total leakage current. it is capable to work accurately and safely in swithchyard upto 765kV.

SA30i measures Third Harmonic Resistive leakage Current (THRC) with system harmonic compensation in accordance with IEC 60099-5 B2 (which is best recommended), whereas SA10i, a hand held Leakage Current Meter measures THRC without system harmonic compensation in accordance with IEC 60099-5 B1.

Features

  • Simple, lightweight, portable, feature-rich, affordable.
  • Measures 3rd harmonic resistive current with system harmonic compensation*, and the total leakage current.
  • In-built temperature measurement facility enables calculation of temperature compensated leakage currents.
  • Results are displayed on LCD, printed on thermal printer and can be stored in the in-built memory of the instrument. 1000 test records can be stored.
  • Built-in standard calibration source for self-calibration check facility.
  • USB communication port to transfer data to PC having Windows based data management software.
  • SA identity creation, Data management, Analysis and Trending through SAData software.
  • Facility for testing of GIS LAs available optionally thorugh Field PT input.
  • The instrument is supplied along with a low noise Clamp-on CT, Field Probe assembly for system harmonics compensation*, Test Leads suitable for EHV class LAs*, Thermal paper roll*, SAData software installation CD and a Calibration Certificate.

* - Features available only in SA30i.

Specifications

Parameter SA 30i SA 10i
 Total Leakage Current Range  Up to 10mA 
 Field Probe Current Range  Up to 10mA 
 Resolution  Up to 1mA  Not available
 Inputs  External Clamp-on CT, Field Probe, External PT (110V AC) - Optional External Clamp-on CT
Display 4 line x 20 character large backlit LCD 2 line x 16 character backlit LCD
Compensation Automatic for Noise, System Voltage, System Harmonic & Temperature Automatic for Noise, System Voltage & Temperature
 Temperature Sensor Inbuilt silicon thermometer Inbuilt silicon thermometer
Self-calibration Check Built-in source available No
PC Connectivity Yes 
Memory 1000 results
Printer Inbuilt Thermal Printer Not available
Battery 11V / 2200mAh, Internal rechargeable Li-ion battery 7.4V / 1150mAh, Internal rechargeable Li-ion battery
Battery charging 100-270V AC, 50 / 60Hz ± 10%, 1 Phase 100-270V AC, 50 / 60Hz ± 10%, 1 Phase
Dimension 415 x 330 x 200mm 190 x 129 x 50mm
Instrument Weight 7.5 kg 1.5 kg

UVSee TD90 is an innovative Non Destructive Equipment, that detects, pinpoints and documents flash arc corona and arcing partial discharge camera. Being with high sensitivity UVSee TD90 is a power tool to detect UV emission in full daylight with high signal from faraway and nearby sources. UVSee TD90 is an ideal predictive maintenance device for Transmission Lines and High Voltage Substations.

Features

  • High sensitivity to UV signals
  • Precise location of camera for emitting sources
  • Auto focus for UV and visible channels
  • Back ground noise reduction
  • 5.7” folding and touchable colour LCD
  • Voice or LED UV events alarm
  • Rapid optical zoom of the visible channel
  • Videos and image capturing, recording and playback
  • Built in GPS
  • UV events counter
  • UVsee report software for documentation
  • SD card for upgrade the instrument firmware

Specifications

UV - Optical Properties:

  • Image Type: Monochrome Video
  • Minimum UV Sensitivity: 3 × 10-18 watt/cm2
  • Minimum Discharge Detection:1.5pC @ 8 meters
  • Spectral range: UV 240 to 280 nm
  • Field of View H × V: 5.5˚ × 4.0˚
  • Focus: Full manual and auto for UV and visible channels
  • Frequency: 50 Hz

Visible – Optical Properties:

  • Image Type: Colour Video
  • UV/visible Overlay Accuracy: better than 1 milliradian
  • Minimum Visible light Sensitivity: 0.1 lux
  • Zoom Factor: 26 × optical and 12 × digital

Processing And Communication:

  • Image Processing: UV Image Enhancements
  • Alarm: Audio or LED
  • Menu: Button Operation or Touchable Operation
  • Location: GPS
  • Audio Modes – Microphone inputs for audio notes

Data Storage:

  • Storage Media: 2G SD Card
  • Image Format: JPEG
  • Video Storage: AVI Compressed Format
  • Storage capacity: 8000 images, or >4 hours video

Power Supply, Environment, Physical:

  • Charger Voltage: 110-220 V AC, 50-60 Hz / 9 V DC 4 A
  • Power Consumption: 10 W
  • Battery Type: rechargeable Li-ion battery
  • Battery Run Time: 2 Hours
  • External Supply: 9-12, 10 VA
  • Operating Temperature: -20˚C to 55˚C
  • Storage temperature: -25˚C to 60˚C
  • Humidity: 95% , Non condensing
  • IP Level: IP54
  • Size: 238mm × 165mm × 91mm
  • Weight: 2.5 kg

ULIRvision Gas infrared camera TG series are patented product, enable to scan and diagnose SF6 leaks even in small amounts in the electrical substations and equipment’s. As the SF6 is perfect dielectric to quench the arcs so it is widely used in gas Insulated Substations, Circuit Breakers and other switchgears but it has significant impact on global climate change. ULRIvision SF6 leak detector spots and detects gas leakage accurately with vivid thermal video images from ground level whether leakage is at nearby or from meters away.

Features

  • High Sensitivity: make detection process easier, faster and more accurate
  • Auto operation: automatically adjust laser intensity
  • Dual display design : viewfinder + LCD screen
  • Built in 4.0 mega pixel digital camera to provide bright visual images
  • Safety Inspection: for Predictive and Preventive to detect SF6 leakage at from safe distance
  • No shutdown requires while at operation
  • Easy documentation: high resolution thermal video images and visible pictures can be saved in SD card; all images can be viewed on the device or at PC.

Specifications

Parameter TG80 TG60
 Detect Gas SF6 
Gas Sensitivity 1 micro liter/second 
Measurement Distance 0.5 to 30 m 0.5 to 20 m
Image frequency 50 Hz 25 Hz
Accuracy ± 1mm ±2mm
Temperature resolution 20mk 35mk
Spatial Resolution 0.45mrad 0.45mrad
Visible Camera 4 mega pixels 2 mega pixels
Memory Storage 2GB SD card
Image Format JPEG (Visible or Thermal)
Video Format H.264 thermal video
Image Display JVC high resolution viewfinder 3.5” colour LCD
Weight 7.8 Kg 7.6 Kg
Battery Running Time Approx. 2 hours
Charger Input 110 to 220 V 50Hz AC

The Infrared signals can’t be seen by human eyes, however all objects with a temperature above absolute zero emits infrared thermal radiations for that only thermal imaging cameras can convert infrared radiations into electrical signals to make it visible.

TI160 & TI384 with high thermal sensitivity of 65mk can identify the smallest temperature variation from the object and display it by excellent thermal images. A potential fault always coming with the partial overheat / overcool, so the user can locate overheated / overcooled part with ULRIvision’s Thermal Imaging Camera instantaneously and more detail analysis about fault can be done in Thermal Imaging Analysis Software.

Features

  • Excellent thermal image and high accurate temperature measurement
  • Wide temperature measurement range Laser pointer helps user to locate object easily while at operation
  • Automatic temperature correction.
  • Exchangeable IR lenses for more flexibility
  • Built in microphone to record 40 sec voice annotations
  • High temperature measurement option by fitting high-temperature filter lens
  • Automatic Hot/Cold/Average spot recognition and easy operating menu
  • Multifunction PC Analysis Software IRSee

Specifications

Parameter TI160 TI384
Temperature Range -20°C to +120°C / 0˚C to 350˚C (Switchable) Up to 1200˚C Optional
Accuracy ±2°C or ±2% of reading
Measurement Spot 4 Adjustable Spots
High Temp. Alarm Voice, Colour
Detector Type Uncooled FPA (Micro-bolometer)
Detector Resolution 160 X 120 Pixels 384 X 288 Pixels
Spectral Range 8 ~ 14μm 8 ~ 14μm
Field of View (FOV) (*Opational Accessory) 21° X 16° / 0.15m (standard lens)
35° X 27°/0.05m (wide angle lens)*
4˚×3˚/0.8m (telephoto lens)*
18° X 14°/ 0.15m (standard lens)
30° X 23°/0.1m (wide angle lens)*
9˚×6˚/0.8m (telephoto lens)*
Spatial Resolution(IFOV) 2.3 mrad (Standard lens) 1.0mrad (Standard lens)
Display Built in 3.5” Colour LCD
Digital Zoom 2X
Storage Type Built in flash card up to 1500 images Built in flash card up to 800 images
Files Format Standard JPEG, 14 bit measurement data include 
Voice Annotation 40s voice record, stored with per image via built in microphone 
AC Adapter 110-240V 50/60Hz AC 
Weight 650 g 

A Decade resistance box is a enclosure containing number of precision resistors connected to panel terminals or contacts so that a desired resistance value can be obtained by withdrawing plugs or by setting multi-contact switches.

SCOPE offers High Resistance, High Voltage Decade Resistance Box - DecR designed using the high quality specially selected resistors. These range of high ohm resistance decades are ideal for variety of applications, having a voltage rating up to 5kV. It covers the resistance range from 1 kilo ohm to 1 tera ohm.

Features

  • Accurate and high precision resistors.
  • Compact, convenient to use.
  • Very low contact resistance.
  • Used in various applications such as:
    • Measurement of unknown resistances by the "bridge" method.
    • Calibration and integrity check of multimeters, LCR meters and calibrators.
    • In different electrical and electronic workshops and laboratories.
    • In developmental work it might be necessary to test which resistance will have the best effect given certain circuit characteristics.
    • Educational establishments.
  • Range: 1 kilo ohm to 1 tera ohm.
  • Max Voltage: 5kV.
  • Accuracy: ± 0.1%.
  • Portable, housed in rugged molded case.

Specifications

Resistance Per Step Total Decade Resistance Maximum Volage(V) Voltage Coefficient (ppm/V) Temp Coefficient (ppm/°C) Accuracy(%) Power (Watt)
1kΩ 10kΩ 500 0 ±50 ±0.1 1
10kΩ 100kΩ 500 0 ±50 ±0.1 1
100kΩ 1MΩ 500 0 ±50 ±0.1 1
1MΩ 10MΩ 500 0 ±50 ±0.1 1.5
10MΩ 100MΩ 4,000 1 ±100 ±1 1.5
100MΩ 1GΩ 4,000 1 ±100 ±1 1.5
1GΩ 10GΩ 4,000 1 ±100 ±1 3.5
10GΩ 100GΩ 5000 1 ±100 ±1 3.5
100GΩ 1TΩ 5000 1 ±2,000 ±2 1.3

The MTD-20KWe & EM 4055 digital earth testeres allows for the measurement of Earth Resistances and Soil Specific Resistivity, and also the spurious voltages caused by parasitic voltages present in the soil. An internal current generator injects alternated current on the soil through an auxiliary rod. The voltage generated over the earth resistance is measured by the apparatus, and the resistance value is evaluated. The test current is automatically regulated.

Features

  • Earth resistance measurement
  • Ground resistivity (Wenner´s method)
  • High spurious voltage rejection
  • Spurios voltage measurement
  • 0.01 Ω resolution
  • Up to 20 kΩ resistance range
  • Auto-range
  • Built-in memory
  • Built-in printer (optional)
  • USB interface

Specifications

Parameters MTD 20KWe EM 4055
Measurement ranges Resistance - 0 – 20 Ω, 0 - 200 Ω, 0 - 2000 Ω, 0 – 20 KΩ, Voltage – 0 – 200 AC Resistance (Autoranging) - 0 – 20 KΩ, Resistivity 0 – 50 KΩm Voltage – 0 – 60 AC
Measurement Accuracy Resistance ± 2% of Reading ± 1 % of range Voltage ± 2% of Reading ±1 % of range Resistance ± 2% of Reading ± 2 Digit Voltage ± 3% of Reading ± 2 Digit
Measurement Resolution Resistance - 0.01 Ω, Voltage – 0.1 V Resistance - 0.01 Ω, Resistivity 0.01Ωm Voltage – 0.1 V
Operating temperature -10˚C to 50˚C -10˚C to 50˚C
Equipment Weight Approximately 2.3 Kg (without accessories) Approximately 3.6 Kg (without printer)
Dimensions 221 x 189 x 99 mm 274 x 250 x 124 mm

The transmission towers are electrically grounded by ground wires and due to the existence of this connection, any attempt to measure a tower ground resistance by any conventional earth tester leads to wrong results. To make this kind of test feasible, TM- 25R is the appropriate tool for a fast, safe and reliable grounding resistance measurement in each tower at charged transmission lines, without disconnecting the ground wire. The equipment only measures the ground resistance of the Surveyed Tower, including its base.

Features

  • Intended for measurement of earth resistance of electricity pylons
  • Minimizes the influence of adjacent pylons, connected by the guard cable
  • Operation fraquency: 25 kHz
  • Resisteance reading: up to 300 Ω
  • Automatic current injection
  • Built-in memory and printer
  • Rechargeable battery

Specifications

Parameters TM25R
Measurement Range 0 to 300 Ω
Test Current 20 mA automatic
Display Alphanumeric display (LCD)
Max. Earth Resistance Of Auxiliary Rods 2,000 Ω (current rod) , 2,000 Ω (voltage rod)
Power Supply Internal rechargeable battery
Operating Temperature -5°C to 50°C
Humidity Up to 95% RH (non condensing)
Equipment Weight 4.9 kg
Measurement Accuracy ± 2.5 % of reading ± 1 digit
Data Output USB
Built-In Memory It allows for the storage of 2,000 test readings in its internal NVRAM memory
Battery Charger 12 V - 2 A
Storage Temperature -15°C to 65°C
Dimensions 340 x 295 x 152 mm
Accessories Weight Approx. 16.5 kg

 

SCOPE introduces, for the first time in the country, the most powerful Real Time On-Line system for continuous monitoring of Circuit Breaker performance in HV / EHV substations.

RTMon consists of Field Unit which is inatalled near CB in IP enclosure, a PC in control room loaded with RTMon software and the communication link between the two.

No. of CBs in one subatation can be monitored by installing one field unit per CB, and they will communicate with central PC.

Features

  • The RTMon system is set up to monitor the signatures/ values of following parameters directly using sensors:
    • Close/ Trip Coil Current, Line/ Fault Current
    • Station DC Voltage
    • Close / Trip Auxiliary Contact Timings (field configurable wet/ dry)
    • Spring charging motor Current & Time
  • RTMon continously monitors static parameters like SF6 gas pressure or density , pneumatic or hydraulic pressure, temperature etc.
  • The RTMon system calculates following parameters:
    • Projected Main Contact Timings.
    • Arcing Time and Fault Clearing Time.
    • Cumulative Fault Current.
  • Provision for mechanism travel available. Can be used if suitable travel transducer with fixture is available.

Features of RTMon Software

  • Viewing, analysis and comparison of test data with previous signatures or pre-set limits.
  • Dynamic calculations on graphical information for easy on-screen analysis
  • I ndication of any abnormality in real time helps planning of diagnostic testing
  • I n a substation having many RTMons, the software stores the signature data in a structured database to relate data to each CB / pole.

Specifications

  • Trigger: Automatic, on coil current or auxiliary contact change over when the circuit breaker operates.
  • Sampling Rate: 10 kHz
  • Auxiliary Contact: 6 Wet OR Dry contacts, field configurable, 15V to 300V DC input of wet contact.
  • Coil Current: Records 'Trip 1' & 'Close' on 3 channels & 'Trip 2' on 3 channels. Total channels 6. Upto 25A.
  • Line/Fault Current: Records Trip/Close Line/Fault currents on 3 channels for 3 phases.
  • Motor Current: Records Motor current upto 25A and spring charging time upto 60 Sec on 3 Channels.
  • Station DC Voltage: Records variation in Station DC voltage during operation on 2 channels upto 250V DC.
  • Spare Channels: 3 Analog input channels (0-5V input) each for SF6 gas and air or hydraulic pressure.
  • Memory: Inbuilt, non volatile, 256 MB flash.
  • Communication: RF, wired or fiber optic communication with remote PC.

These new CT/PT testers are based on low frequency and variable frequency methods which lead to the great reduction in weight and high knee point test range. With one button click, all test items of the current transformer test set, such as excitation, winding resistance, polarity, phase error, ratio, etc, can be performed automatically.

PCT200Ai is the current transformer test set can finish various tests of different transformers. Compared with PCT200i,its accuracy is higher.This CT analyzer can test the 0.2s class CT.Only this CT analyzer - the high-accuracy current transformer test set has passed the tests held by Wuhan High Voltage Research Institute.The max permissible error of ratio measurement is ±0.05% and max phase measurement is ±2min.

Features

  • Can test M/P/TP type CTand PT
  • Ratio check up to 35000:1 and 45000:5
  • Knee point check up to 45000 V
  • Standards: IEC 60044-1,  IEC 60044-6,ANSI/IEEE C 57.13
  • Result saved directly in Excel format
  • Report can be transferred to flash disk via USB port.
  • Lightweight, Automatic and Compact CT/PT tester with large LCD display, onboard memory and computer interface
  • Principle based on variable frequency method which leads to high knee point test voltage range
  • Testing CT Ratio by voltage method, having fast response time, high precision and reliability
  • Embedded microprocessor digital platform without external PC, easy to operate and reduces test time
  • With one click following test can be performed such as excitation, winding resistance, polarity, phase error, ratio, etc
  • Can test all types of CT’s, including bushing and GIS type CT as per IEC60044-1, IEC60044-6.
  • Name Plate Guessing facility
  • Ratio error and phase error list automatically shown when the rated current is 1% to 300%.
  • Inbuilt Demagnetization facility
  • PT test functions are also in-built
  • Weight : 14kg 

Specifications

 

Parameters PCT200i PCT200Ai
 Output Voltage range  0 to 120V  0 to 120V
 Output Current range  0 to 5A rms (15A Peak) 0 to 5A rms (15A Peak)
Output Power 0.0001 to 500VA rms (1,500VA Peak) 0.0001 to 500VA rms (1,500VA Peak)
Ratio Test range 30000:1 to 45000:5 30000:1 to 45000:5
Ratio Test Accuracy 0.1% 0.05%
Max. Knee point voltage 30,000V 40,000V
Burden test range 0.5 to 200Ω 0.5 to 200Ω
Burden test accuracy ± 0.1% ± 1mΩ ± 0.1% ± 1mΩ
Winding Resistance test range 0.05 to 200Ω 0.05 to 200Ω
Winding Resistance test accuracy ± 0.1% ± 1mΩ ± 0.1% ± 1mΩ
Display 8.4 inch, Colour LCD 8.4 inch, Colour LCD
Operating System Windows Windows
Dimension (W x H x L) 470 x 200 x 245mm 470 x 200 x 245mm
Weight 14Kg 14Kg

SCOPE along with PONOVO Power Co ltd provides the all numerical relay test kit which can test various type of relays from Numerical to Electromagnetic relays.The Kit is software controlled through ethernet port which make it more relaible.This windows based software is easy to use.Advance software can be made available optionally. 

Brief table giving availability of models is given hereunder.

Features

  • Test all types of relays – Numerical, Electro-mechanical, Static, etc.
  • Three phase and Single phase relays can be tested
  • Sufficient numbers of independent voltage & current generators with wide voltage & current selection range
  • Phase angle, frequency & amplitude of each generator can be varied independently
  • Operates on Single Phase Supply
  • Professional and user friendly software
  • Plotting of bias characteristics & impedance characteristics
  • Inbuilt timer for measurement of relay operation time
  • Relays can be tested based on their characteristics
  • Relay vector diagram can be checked while testing
  • All types of fault simulation from one kit
  • In-built Multimeter and analog signal recording feature
  • Facility for transducer testing and energy meter testing
  • GPS Synchronization facility for end-to-end testing
  • Option for multi-kit interfacing and current booster
  • Option for creation of test set-up and relay library for future use
  • Templates for all types of Relays
  • Disturbance recorder data download and play-back
  • Generation of Harmonics – Harmonic restraint testing
  • IEC 61850 Testing like Goose Publish, Goose subscribe & Goose polling
  • IEC61850 sampled value test feature available in PW series
  • Software modules can be Added as per specific requirement
  • Available in Rugged Case

Ponovo Template service
Ponovo provides relay test template based on relay model from different Relay manufacturer. With the use of template the relay test can be simplified greatly. Each relay test template is a independent file which can be opened in Power Test relay test software. Registered users can download the relay templates from PONOVO website.

PW Series – Universal Relay Test system

Parameters   L336i PW336i PW460 PW636i
Voltage Generators Qty 4
Range 0 to 150V 0 to 300V
Power 60VA @ 120V 45 VA @ 150V 75VA @ 300V

Qty Range Power

Qty 4
Range 0 to 15A 0 to 32A
Power 105VA @ 15A, L-N 150VA @ 15A, L-N 150VA @ 15A, L-N 450VA @ 32A, L-N
Aux DC   0-300V (Optional) 0-300V
Frequency Sine 10Hz – 1000Hz DC, 1 -2000Hz DC, 1 -1000Hz
  Transient - - DC – 10 KHz
Phase Angle -360° to +360°
Binary inputs 4
Counter inputs - 4
Binary outputs 4 8
Low level outputs - 12
Control mode PC PC PC
Weight 8.8kg 20kg
IEC 61850 test facility Yes (Optional)
Energy meter test Yes (Optional)
Transducer test Yes (Optional)
GPS/IRIG-B interface Yes
Amplifier interface - Yes
Current booster interface - Yes
Multi-kits control interface - Yes
O/P monitoring & recording Yes
  • Three Phase Secondary Injection Kit- S40A
  • Independent 3 Voltage & 3 current source
  • Operated through the front color screen
  • Laptop operation facility also available
  • PC Interface through USB
  • Ease of operation
  • Can test Differential relay, Distance, Directional, Overcurrent relays

 

Parameters S40A
Voltage Source 3 X 300V (L-N), 1 X 600V (L-L)
Power 3 ×85VA at 300V (L-N), 1× 170 VA at 600V (L-L)
Current Source 3 X 40 A (L-N), 1 X 120A (L-L)
Power 3×65VA at 5A(L-N), 3×400VA at 40A(L-N)
Aux DC supply 0, 24V, 110V , 220V
Power 110W at 220V, 55W at 110V, 12W at 24V 1 potential free contact
Phase angle 0° to 360°
Accuracy & resolution 0.2° & 0.1°
Binary inputs 4Nos , 0 to 250V Dc or potential free
Binary outputs 1 potential free contact
PC connection USB
Weight 18Kg
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