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Super User

SCOPE introduces its next generation of hugely popular CRM series contact resistance meter, CRM200B+ in all new super light avatar, based on cutting edge ultra capacitor technology. CRM incorporates some state of the art hardware & smart software features making it a must have tool for testing & maintenance engineers.

CRM directly measures micro-ohm values at 200A DC under live EHV switchyard conditions quickly & accurately. It is specially designed to reliably measure micro-ohm contact resistances of Circuit Breakers, Isolators, Busbar joints, earth switch joints, welded joints etc., under the hostile electrostatic noise found in live EHV switchyards up-to 765 kV. SCOPE’s ability to make electronics work in such environment enables CRM to measure mili-volts signal in the presence of kilo-volts noise. 

CRM is equally suitable for MV / HV / EHV equipments and is very useful to Power Companies, Equipment Manufacturers, Testing & Commissioning Companies and Test Laboratories etc.

Features

  • A radically new design makes CRM the lightest available contact resistance meter.
  • Simultaneous & multiple samples of test current and voltage drop are taken at high speed using fast & high resolution ADCs.
  • Resistance will be calculated by taking actual V/I ratio and averaging of individual samples giving stable & accurate results. It makes it independent of test current variations.
  • Autoranging. Direct display of micro-ohm value does away with manual calculations.
  • In built real time clock, memory and printer. Test time stamping on each record enables time references for future use.
  • Fool-proof connections and repeatability are ensured by SCOPE’s specially designed proprietary Ck clamps.
  • Supplied with rugged calibrated test lead set suitable for 4 wire measurement.
  • Optimised test lead set design gives lengths enough for testing EHV CBs, yet are lightweight.
  • Mains as well as battery operations
  • Protection against battery deep discharge.
  • Simple operation. Tests can be conducted even by technicians.
  • Instrument is continuously available for measurements one after the other. No ON/OFF duty cycle.
  • Enclosed in ultra rugged IP67 class hard moulded case.
  • PC Downloading & Analysis including ‘Trend Analysis’ possible with “CData CRM+” Software supplied with kit.
  • Instrument debug options like memory check, printer check, PC downloading check are provided.

Specifications

Parameter CRM 200B+
Test Current  200A plus. Peak Test Current will be decided by the load resistance, however 200A minimum is guaranteed
Resistance Range  0 - 200µΩ, 2000µΩ, 20mΩ, Autoranging
Resolution 0.01µΩ, 0.1µΩ & 1µΩ for above range respectively
 Accuracy   Value ± 1% ± 1 Digit
Output Voltage (max)   17.5V DC
Operation Mode  Stand Alone & PC Control 
Display  4 Line X 20 character LCD. 4 ½ digit display for Test Current & Resistance 
Printer  In-built Thermal Printer
Memory 1000 records Internal
In-Built Battery Li-Ion, 11.1V, 6 Ah
Power

Input to Battery charger: 90-275V AC , 50Hz ±10%, 100 to 300V DC

Charger output - 13.5 V DC, 1500 mA Max

Communication Port  USB
Software CData CRM - For PC Control & PC Control, Downloading & Analysis, Windows based
Environment 0 to 50°C, up to 95% RH (non-condensing)
Dimension  340 x 295 x 155 mm
Weight 5kg

 

CRM 100C directly measures resistance values with DC current injection under live switchyard conditions.The CRM 100C is specially designed to reliably measure contact resistance of Circuit Breakers, Isolators, Bus Bar joints, welded joints etc., under the hostile electrostatic noise found in live EHV switchyards. It can also be used for testing cables, graphite bars etc.

It has a truly continuous current source without any ON/OFF duty cycle

Features

  • Innovative design makes CRM 100C the lightest available continuous current contact resistance meter
  • Direct display of micro-ohm value does away with manual calculations
  • Fool-proof connections and repeatability are ensured by SCOPE’s specially designed proprietory Ck clamps
  • Supplied with rugged calibrated test lead set satisfying Kelvin’s 4 wire measurement principle.
  • Selectable current ranges allows user to test various DUTs having wide resistance range.
  • Every current range is associated with selectable resistance range to achieve better resolution of results.
  • LED indication makes user aware about current injection status.
  • User-friendly Menu structure enables user to take test easily.
  • PC downloading facility is available with CData – PC Downloading & Data Management Software.(Optional)

Specifications

  • Current : 10, 20, 50, 100A DC
  • Accuracy : Value ± 0.5 % ± 5 digit
  • Display : One backlit 4 line LCD for interactive menu, test results, keyboard functions and messages,test results, 3½ digit for resistance and current values
  • Power : 230 V AC ± 15%, 50 Hz ± 10%, 500 VA
  • Dimensions : 475 x 405 x 175 mm
  • Weight : 11 kg, instrument
  • Environment: 0° to 50° C max, 95 % RH (non-condensing), Live EHV switchyard environment
  • Ranges : On SCOPE’s Calibrated Test Leads as follows
Test Current Resistance Range  Resolution
100A

199.9µΩ

1999µΩ

19.99mΩ

 0.1µΩ

1µΩ

0.01mΩ

50A  1999µΩ

19.99mΩ

 1µΩ

0.01mΩ

20A   1999µΩ

19.99mΩ

199.9mΩ

  1µΩ

0.01mΩ

0.1mΩ

10A  19.99mΩ

199.9mΩ

1999mΩ

 0.01mΩ

0.1mΩ

1mΩ

 

CRM 200B directly measures micro-ohm values at 100 Amps DC under live switchyard conditions.

CRM 200B is specially designed to reliably measure contact resistance of circuit breakers, isolators, busbar joints, welded joints etc., under the hostile electrostatic noise found in live EHV switchyards upto 765 kV.

Inbuilt rechargeable battery tremendously enhances utility as AC supply connectivity is not required.

CRM 200B operates on a rechargeable battery as well as Mains supply. It has a built-in constant current source, a precision instrumentation amplifi er, digital readout and control logic.A pulse of 200A DC is passed through the test object and voltage drop is sensed using the classical Kelvin’s 4 wire method to measure contact resistance. Both test current and resistance value are displayed on LCD.

Features

  • A radically new design makes CRM the lightest available contact resistance meter
  • Battery as well as Mains operated
  • Direct display of micro-ohm value does away with manual calculations
  • Fool-proof connections and repeatability are ensured by SCOPE’s specially designed proprietary Ck clamps
  • Supplied with rugged calibrated test lead set suitable for 4 wire measurement
  • Additional range of 20 mΩ is provided

Specifications

  • Ranges : 199.9μΩ, 1999μΩ and 19.99mΩ
  • Resolution : 0.1μΩ,1μΩ and 10μΩ respectively
  • Accuracy : Value ± 1% ± 1 digit
  • Current : 200 A DC
  • Displays : Two, 3½ digit, ½ inch LCD, for current and resistance values
  • Power : 230 V AC ± 15%, 50 Hz ± 10%, 75 VA
  • Battery : Instrument operation on inbuilt , rechargeable battery (2 nos. 6V, 4.5Ah)
  • Dimensions : 435 x 350 x 170 mm
  • Weight : 9 kg, instrument
  • Environment: 0° to 50° C max, 95 % RH (non-condensing), Live EHV switchyard environment

 

SCOPE proudly introduces Dir CT, a CT Polarity Tester specially designed to verify correctness of polarity of current transformers cores in live EHV switchyards. Polarity test is one of the most common yet crucial tests required to be done on current transformers by commissioning as well as maintenance engineers. Even though it is commonly conducted check, there was no all in one simple tool available for this measurement. DIR CT fills this void to perfection, it is expected to significantly reduce the time taken for polarity checks on numerous CT in sub-station, especially during commissioning of new sub-stations

It is must have tool for Testing & Commissioning companies.

Features

  • Simple, Portable, Lightweight, Handheld device.
  • Easy and fast one push-button operation.
  • Gives analog indication (Forward & Reverse) of current transformer polarity.
  • Tests various types of CTs.
  • Works on easily available AA size alkaline batteries.
  • Gives reliable performance even after continuous usage

Specifications

  • Operating Voltage – 3 VDC, AA size alkaline batteries, 1.5 V – 2 Nos.
  • Display-sensitive Anlaog indicator. Forward & Reverse Polarities
  • Environment – 0 to 50°C, Up-to 95% RH (Non - Condensing)
  • Dimensions – 205mm X 115mm X 50mm
  • Weight - 400 gm

 

TRM104 is a portable winding resistance meter, designed to work in live EHV switchyards. Winding resistance values of large transformers up to 500 MVA and rotating machines are directly displayed. The meter is protected against the back emf offered by large inductive winding. A back-lit 4 line LCD with a user-friendly menu sets up the instrument for the test. Winding resistances and safety messages are also shown on this display. It is possible to measure the resistance of two windings simultaneously.The meter contains a special power source for rapid stabilization of test results.

A 30V DC, 10 Amp power source, controlled strategically by digital means passes the selected current through the winding. Precision instrumentation amplifiers read voltage developed across the windings and the ohmic values are directly displayed. Use of the classical Kelvin’s 4-wire method ensures reliable measurement. Specially designed thermal management of power source enables measurement over longer periods, when delta connected generator transformers are tested. The TRM is capable of identifying the interruption of injected current during tap change of OLTC. A beeper alarm during current injection ensures operator safety during measurement.

Features

  • Winding resistance values of large transformers upto 500 MVA and rotating machines are directly displayed.
  • Portable winding resistance meter, designed to work in live EHV switchyards.
  • Protected against the back emf off ered by large inductive windings.
  • A backlit 4 line LCD with a user-friendly menu sets up the instrument for the test. Winding resistances and safety messages are also shown on this display.
  • Possible to measure the resistance of two windings simultaneously.
  • The meter contains a special power source for rapid stabilisation of test results

Specifications

Parameter TRM 104
No of Channels  Two, for simultaneous measurement on 2 windings
Current Ranges 10A, 1A, 100mA, 10mA
Resistance Ranges Up to 2000 Ω (Auto ranging)
Resolution  4 ½ digit
Accuracy Value ± 0.5% ± 2 digits
Open Circuit Voltage 30 V 
Display One backlit 4 line LCD display for interactive menu
Test Leads 20m, suitable to test HV/EHV transformers
 Environment 0°C to 50°C, 95% RH (non condensing)
Input Supply 230 VAC ± 15%, 50 Hz ± 10%, 400 VA approx
Dimensions 475 x 405 x 230 mm
Weight 15 Kg. Approx 

SCOPE introduces CB SCOPE – Loco Vaccum Circuit Breaker Test System; the ultimate solution for testing Loco Circuit Breakers of all types. CB SCOPE is the most complete analyzer for checking the dynamic performance of LOCO VCB’s.

The portable analyser has intelligent measuring modules controlled by an external laptop through an Ethernet link. CB SCOPE actually gives you the power to design your own condition based maintenance strategy and obtain optimum breaker performance with minimum maintenance shutdowns.

CB SCOPE Measures timings, bounce, and simultaneity of contacts. Analyses contact travel characteristics for speed, contact gap, over-travel and rebound. Records trip and close coil current characteristics.

Features

  • Tests all types of Loco VCBs for all critical performance parameters of Loco VCB.
  • Measures timings, contact, bounce, simultaneity of contacts.
  • Analyses contact travel characteristics for speed, contact gap, over-travel and rebound.
  • Records trip / close & holding coil current characteristics.
  • Displays settings, graphical natures and tabulated test results in software generated test report.
  • Prints test report in graphical format with test header and calculation footer, on external printer optional.
  • Incorporates powerful and practical Windows™ based Test Manager Software to control & operate instrument; also to view, analyse and handle graphical test data on a laptop at high resolution.
  • Selects pre-programmed setup parameters and pass/fail limits through software.
  • Connects to VCB with wear resistant test leads of suffi cient length, having quick-fi t connectors, suitable for Loco VCBs.
  • Transport instrument over long distance in rugged industrial aluminium case.

Specification

Parameter  CB SCOPE
Contact  Channels  3:2 for Double Bottle Loco VCB, 1 Spare
Sampling Speed   1mS to 40Sec at 1 kC, 0.05mS to 2Sec at 20kC
Resolution 1mS at 1kC, 0.05mS at 20kC
Coil Current  2: Closing / Tripping or Holding coil current, 1, 2, 5, 10, 25A DC
Voltage (Travel) 2:Travel characteristics, 0-5V DC
Breaker Control Two solid state contacts rated at 35A AC/DC for breaker operation
Trigger Options Open Close, C-O, O-C, O-C-O, and delay between operations configurable
Sampling Speed

20kC, 10kC, 5kC, 2kC, 1kC selectable

Travel Channel  For linear / rotary resistive transducers. 0-5V DC excitation source in-built
Communication Port  Ethernet port for communication between laptop and instrument
Dimensions 365 x 290 x 260 mm
Instrument Weight  10 Kg

SA 10i the Leakage Current Meter from SCOPE is a State of the Art, hand held, on-line test system for Residual Life Assessment of Surge Arresters. The instrument measures and directly displays the values of resistive and total leakage current.

The SA 10i can be pre-loaded with the LA identity (LA Identification, Type, Serial Number, Location, Rated Voltage etc.) and tests conducted on the same ID of the Arresters are saved under its own library created. Trend analysis software; SAData picks up this data and files them in a similar fashion on a PC. This analysis software enables the user to take a decision to repair/replace the arresters considering safety limits.

SA 10i is designed to work under the hostile electrostatic noise found in live HV switchyards

Features

  • This hand held design makes SA 10i Simple, lightweight, portable, feature-rich, aff ordable.
  • Measures 3rd harmonic resistive current, and the total leakage current
  • In built temperature measurement facility enables calculation of temperature compensated leakage currents
  • Correction of results to rated voltage of LA to eliminate eff ect of change in system voltage.
  • Date and time stamp on test results
  • Results are displayed on LCD and can be stored in the in-built memory of the instrument. 1000 test records can be stored
  • The SA 10i is powered by easily available re-chargeable Lithium-ion batteries. It works for a day’s testing needs on a single charge
  • The SA 10i is a switch-yard compatible instrument. This makes the instrument extremely convenient to use.
  • USB communication port to transfer data to PC and Windows based PC Downloading & AnalysisSoftware.
  • Data Management, Analysis and Trending through SAData software

Specifications

 Parameter  SA 10i
 Total Leakage Current Range up to 10mA
 Resistive Leakage Current Range up to 10mA
Resolution   1 μA
 Inputs External Clamp-on CT
 Display 2 line x 16 character back-lit LCD
 Compensation Automatic for Noise & Temperature
 Temperature Sensor

Inbuilt silicon thermometer

PC Connectivity Through USB Port
Memory Storage capacity of 1000 results
Power  Supply  7.4V / 1150mAh, Internal rechargeable battery
Battery Charging 100-270V AC, 50 / 60Hz ± 10%, 1 Phase
 Dimension

 190 x 125 x 50 mm

 Weight

 1.5 Kg


 

SA 30i, the Leakage Current Analyser from SCOPE is a State of the Art, On-line test system for Residual Life Assessment of Metal Oxide Surge Arresters. The instrument measures and directly displays the values of Total Leakage Current and Third Harmonic Resistive Leakage Current. It provides system harmonic compensation as per IEC 60099-5-B2. It provides Corrected Resistive Leakage Current after applying correction factors for change in system voltage & temperature.

The SA 30i can be pre-loaded with the LA identity details (LA Identification, Type, Serial Number, Location, Rated Voltage etc.) and tests conducted on the same ID of the arresters are saved under the same folder. Trend analysis software, SAData picks up this data and stores them in a similar fashion on a PC. This analysis software enables the user to take a decision to repair/replace the arresters considering safety limits.

SA 30i is designed to work under the hostile electrostatic noise found in live EHV switch yards up to 765 kV

 

Features

  • An innovative design makes SA 30i simple, lightweight, portable, feature-rich.
  • Measures Total Leakage Current, 3rd Harmonic Resistive Leakage Current with System Harmonic compensation and Corrected Resistive Leakage Current.
  • In built temperature measurement facility enables calculation of temperature corrected leakage currents.
  • Correction of results to rated voltage of LA to eliminate effect of change in system voltage.
  • Date and time stamp on test results
  • Results are displayed on large font, Big, back-lit LCD, printed on in-built thermal printer and can be stored in memory of the instrument.
  • SA 30i is powered by easily available re-chargeable Lithium-ion batteries. It works for a day’s testing needs on a single charge
  • The SA 30i is a switchyard compatible instrument. This makes the instrument extremely convenient to use.
  • Built-in standard calibration source and self-calibration check facility
  • USB communication port to transfer data to PC and Windows based PC Downloading & Analysis Software.
  • Facility of extending CT & Field Probe signal to external oscilloscope.
  • Facility for testing of GIS LAs available optionally

Specifications

 Parameter  SA30i
 Total Leakage Current Range  100 μA to 10 mA
 Resistive Leakage Current Range 1 μA to 10 mA 
Resolution   1 μA
 Accuracy Value ± 5% ± 1 μA 
 Inputs External Clamp-on CT, Field Probe,Optional External PT input (110V AC)
 Display 4 line x 20 character large backlit LCD with large font
 Compensation Automatic for System Harmonics, Temperature & System Voltage
 Temperature Sensor

Inbuilt Platinum Resistance Thermometer

with measurement range of -20°C to 55°C

Self-calibration Check Available
PC Connectivity Through USB Port
Memory Storage capacity of 1000 results
Printer  58mm Inbuilt Thermal Printer

Internal Battery

SA30i - 11.1 V / 2200mAh Internal Rechargeable battery

Mains Supply  100-270V AC, 50 / 60Hz ± 10%, 1 Phase
 Dimension

SA30i - 415 x 330 x 200 mm

 Weight

SA30i - 7 Kg

Environment 

0°C to 55°C, up to 95% RH (non-condensing)

Type Testing

As per IEC 60068 / IS 9000 for Dry Heat, Damp Heat, Change of Temperature, Bump, Vibration and Mechanical Shock. For EMI / EMC & Safety as per relevant IEC Standards

Video

 

SCOPE introduces 25 A state of the art precision winding resistance meter, specially designed for field testing as well as factory testing of large transformers up to 500 MVA. Winding resistance value of transformer and rotating machine are directly displayed on 5.7” TFT display. TRM 25 is designed to work in live EHV switchyard conditions, ensuring operator’s safety and repeatability of results. Maintenance time saving is ensured by one time connection to transformer with simultaneous resistance measurement of three / six windings, measurement of resistances of all taps with automated tap change and demagnetization facility. The meter is protected against the back-EMF offered by large inductive windings.

 

Features

  • Can measure DC winding resistance of large rotating machines, highly inductive test objects like Transformer, Generators and Motors etc.
  • 25A DC current makes it possible to measure low resistances with high accuracy.
  • One time connection to either all windings of primary and / or secondary. Simultaneous measurement reduces connection and measurement time.
  • Change in winding resistance, short or open windings can be detected from measured values.
  • Automatic temperature measurement and temperature corrected value calculation.
  • Measurements of winding resistance of all taps of phases in one go. Recoding, printing and storage of results.
  • OLTC contact opening and compete OLTC performance test facility. Testing of either single or three phases in one test. Single report generation.
  • To know condition of OLTC contacts, OLTC mechanism, transition resistor.
  • Discharges and demagnetizes the object after test.

Specifications

Parameter TRM 25/ TRM 25+
No of Channels  3/6 Current Channels, 3/6 Volatge Channels , 1 temperature Channel 
Connections One time connection to primary or secondary winding of transformer
Current Ranges  25A, 10A, 5A, 1A, 100mA, 10mA
Resistance Ranges Up to 2000 Ω (Auto ranging)
Resolution  4 ½ digit
Accuracy Value ± 0.5% ± 5 counts
Open Circuit Voltage 50 V 
Demagnetization Facility Yes
Display 5.7” TFT display with touch screen
Printer 58 mm, Inbuilt thermal printer
Communication Port Ethernet for PC communication
Data Port USB for extrernal memory stick connection
External Control Possible via Notebook PC through Ethernet port and software
Temperature measurement Range 0 to 100 deg, Accuracy ± 1 deg, Resolution 0.1deg
Temperature correction For Aluminium & Copper 
Temperature Input Channel Compatible to accept RTD input
User Interface Resistive touch screen
Back EMF Protection Yes. Automatic protection after measurement and during accidental disconnection of current path. Protection operates even if Mains supply fails.
Discharge Facility & Indication Automatic Discharge of DUT & messages on screen
Tap Changer Test Detects discontinuity during tap changer test
OLTC Test Facility(Optional) OLTC test facility with current v/s time graph, Single or Three Phases simultaneously. Available in control through PC option only.
OLTC current Ranges 25A, 10A, 5A
Protection Shut down of power source on Over voltage, Over current,Over temperature
Indications Polarity reversal, Test connection continuity and discharge
Diagnostics Check At power On instrument does self-check of channels and shows the message
Test Leads Measuring leads, AC supply, earth leads and temperature sensor lead
Operating Environment -10°C to 50°C, 95% RH (non condensing)
Storage Temperature -20°C to 60 °C
Heat Run test Yes
Delta connection Measurement  values of each arm of delta winding is calculated and displayed
One side earthing Instrument is able to do the measurement with one side earthing (with Neutral earthing)
Input Supply 110V AC ±15% 50/60 Hz ±10% Or 220V AC ±15% 50/60 Hz ±10%.
Dimensions 630 x 500 x 302mm
Weight 22 Kg. Approx 

HISAC Swift - Circuit Breaker Operational Analyser is meant for checking the performance of the MV Circuit Breakers. The Analyser contains various intelligent measuring modules designed for measuring parameters such as contact timings of Main/PIR & Auxiliary contacts, Close/Trip Coil Current characteristics and Static Contact Resistance of R, Y & B poles simultaneously. The results can be directly viewed on the TFT touch screen display in graphical as well as numerical form. It is possible to print the graph on a built-in thermal printer or download record to PC for further analysis on CPLOT software. This all in one instrument is best suited for gang operated CBs.

Features

  • Type Tested as per IEC 60068, IEC 61326 & IEC 61010-1. CE marked
  • Breaker information data entry and system settings entered into the kit through the touch screen keyboard
  • Operations: C, O, C-O, O-C, O-C-O with configurable delays
  • Contact timing of 3 Main and 3 PIR Contacts with 0.05mS resolution
  • One internal channel to measure close and Trip coil current
  • 3 multiplexed channels to measure Static Contact resistance with 0.1μΩ resolution and range up to 2Ω
  • CPLOT software provided with instrument for further analysis on PC
  • TFT Color LCD screen with touch, In-built printer, In-built memory for internal data storage
  • Instrument housed in IP67 molded case

Specification

Parameter  HISAC Swift
Contact  Channels  6:1 Main + 1 PIR pole, 3 poles simultaneously
Sampling Speed  20kC, 10kC, 5kC, 2kC & 1kC selectable
Trigger Options Open, Close, C-O, O-C, O-C-O, delay between operations selectable
Auxillary Contacts 2: Dry/Wet selectable, 15V to 300V DC (for Wet Channels)
Coil Current  1: Trip /Close Coil Current, 1,2,5,10,25 & 50A DC
Contact Resistance 3: Multiplexed channels, 10A Max
Breaker Control Two solid state contacts rated at 50A, 300V AC/DC for breaker operation
Display 320 x 240 Pixel, 5.7" Color TFT LCD with LED back-lit, Touchscreen
Power

90-260V AC, 47-63Hz, 25 VA (approx)

Communication Port USB port, for data download
Environment 0 to 50°C, Upto 95% RH (Non condensing)
Dimensions 415 x 230 x 200 mm
Instrument Weight  10 Kg
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