High Voltage Testers are specially designed for testing cables and Electrical Equipment as per IS/ IEC specifications. Each unit is tested at various stages, for maintaining quality. These instruments are air cooled, as well as air & oil cooled combined.

Special Features:

• Compact Size
• Built-in safety arrangements for operator
• Easy to operate
• Efficient after sales service
• Guaranteed for one year against manufacturing defects
  

Brief Technical Detail Transformer:

A double wound step up transformer is the most important part. The transformer is wound with high quality enameled copper wire and polyester film/paper is provided between the layers. C.R.G.O. strip core are used for light weight & efficient transformer.

Voltage Control	Step-less auto-transformer is used for controlling the output from zero to maximum.
Input Voltage	230V or 400V Single Phase 50 Hz. AC Supply
Output Voltage Range	Upto 600 KV
Capacity	Upto 1200 KVA.
Metering	Voltmeter to indicate o/p voltage and Ampere meter to indicate the i/p current are provided upto 25 KVA. Voltmeter and Ampere meter are provided on Secondary side to indicate output voltage and Current for higher capacity.
Duty Cycle	15 Minutes ON /15 Minutes OFF(Optional)
Termination	One end at earth potential and other at HV insulator.
Control	(a) Knob to control the output from Zero to maximum or Push Buttons in case of motorized units. (b) Knob to pre-set timer. (c) Knob for tripping current control.
Inductive Reactor	Variable for cancelling capacitor current

Introduction 'RE' DC High Voltage Testers are manufactured for testing cables & other Electrical equipments as per IS/ IEC specifications. The unit consists of transformer, rectifier, condenser, voltmeter and variac etc. All the components are housed in nicely painted sheet metal housing/ powder coated housing.

Special Features:

• Compact in size.
• Built-in safety arrangement for operator.
• Special Insulating Paper is used for transformer winding.
• Easy to operate.
• Efficient after sales service.
• Guaranteed for one year against manufacturing defects only.
  

Brief Technical Detail:

Input Voltage	230 or 400 volts single phase 50Hz AC supply
Output Voltage Ranges	Upto 500 kV
Capacity	Upto 1000 mA on HV side.
Duty Cycle	Continuous for testing and 15 minutes at full load/ or as desired.
Control	(a) Knob to Control the output voltage from zero to maximum or Push Button in case of motorized model. (b) Knob to control the tripping current in steps.
Metering	Moving Coil Digital KV meter and mili Amp meter will be provided to indicate output voltage and leakage current
Termination	The negative and positive terminals are brought out on suitable insulators. Positive or negative polarity can be supplied at Earth Potential on request.
Protection	(a) The unit consists of fast acting DC relay which actuates instantaneously if the testing current goes beyond the pre-set level. (b) The HV will not actuate if variac is not at zero position. (To protect the transformer against transients on HV side & to protect the operator).

Introduction:

Due to fast industrial growth, underground cables are being laid everywhere. Normally the testing of these cables at site is done with the help of meggar which dose not give clear position of the fault in the cable. 'RE' Portable D.C. High Voltage Testing Set is capable of testing underground cables at full testing voltage to know the actual condition of cable. 'RE' portable DC, HV test set is must for maintenance department to avoid breakdown situation.

Special Features:

• Compact size, light in weight
• Easy to operate
• Special insulating material used for transformer insulation
• Guaranteed for one year against manufacturing defects
• Efficient after sales service
  

Brief Technical Detail:

Input	220/230 Volts Single Phase 50Hz. AC supply
Output voltage	10 - 150 KV
KVA	10 W - 150 W
Cooling	Naturally Air Cooled
Output Voltage Control	Stepless
Rating	Continuous for testing duty

• HT Cable: The equipment is supplied with ten meters long copper braided H.T. cable with HT plug and socket. The braiding remains on earth potential.
• LT Cable: For input supply ten meters long 3 core cable is provided.
• Zero Start Interlocking: This is to ensure that the H.T. shall not actuate if the voltage control knob is not at zero position.
• Earth Interlocking: If proper earth is not connected the HT shall not actuate.
• Auto Discharging Arrangement : The equipment consists of automatic cable discharging arrangement.
• Socket: H.T. plug and socket has been specially developed by us with automatic earthing arrangement.

Introduction:

Induced Over Voltage Test Set is used for testing the strength of insulation between turns and between other points of the Transformers etc. as stipulated by BIS or other standard specification. For this test Double voltage is applied across L.T. terminals for one minute, and to control the magnetising current over voltage frequency is applied. It is an independent unit having coupled Motor and Generator with Control Panel to control the motor and the output voltage. Depending upon design requirements AC or DC motors are used.

Salient Features:

• No foundation required
• Unit ready for use
• Fine voltage control
• Short circuit protection
• Calibrated voltage and ampere meter
• Easy to operate and complete with operator safety features
• Efficient after sales service guaranteed for one year for manufacturing defects

Brief Technical Detail:

The Control Panel consists of direct on-line starter or Star-Delta depending upon capacity of the setup. Moving coil Voltmeter and Ammeter are provided to indicate the output voltage and current. Frequency meter is provided to check output frequency. While for measuring input voltage and current, moving iron type meters are used. Other included parts consist of variac, indicators, control switches, and operator safety features. In case of DC motor, DC drive is used to control/vary the frequency.

Input Voltage	415V, 3 Phase 50 Hz AC Supply
Output Voltage	300 - 1500 V or (As Required)
Output Frequency	100Hz to 500Hz or (As Required)
Capacity	Upto 2000 KVA (As required)
Foundation	Not Required
Protection	Zero Start Inter locking

'RE' Primary Injection Test Sets are specially designed for testing and calibration of CT's, Bi-metal relays, etc. Each unit is designed as per the customers specification. These units are air cooled/ oil cooled depending upon capacity and duty cycle. Normally the Primary Injection Test Sets are designed for 15 minutes ON and 30 minutes OFF duty cycle and Loading Transformer for continuous duty used for temperature rise test of Bus duct, Bus bar and joins etc.

Special Features:

• Compact size
• Easy to operate
• Special Insulating paper used for transformer winding
• Guaranteed for one year against manufacturing defects
• Efficient After Sales Service

Brief Technical Detail:

Step Down Transformer	A double wound transformer is used for supplying high current at low voltage for testing
Current Control	A step less Auto Transformer is used for Controlling output current from Zero to Maximum
Input Voltage	230/415 Volts single/two/three phase 50Hz. AC supply
Output Voltage Ranges	As per requirement
Output Current	Upto 25000 Amps.
Capacity	Upto 500 KVA
Duty	15 Minutes ON -30 Minutes OFF in case of Primary injection test set and continuous in case of Loading Transformer
Metering	Multi range Ampere meter of class 0.5 with CT of class 0.5 are provided on secondary side to indicate output current
Termination	The output is brought out on suitable Bus Bar/Terminals

This set has been designed keeping in view the requirements of field and laboratory. Sets are portable, light in weight, have all the technical features for testing relays and contactors.

Special Features:

• Compact Size
• Built in safety arrangements in case of short circuit and over loading
• Easy to operate
• Efficient after sales service
• Guaranteed for one year against manufacturing defects

Brief Technical Detail:

This set is designed for working on 220/ 230V single phase 50 Hz AC supply and complete with power ON-OFF indicator, circuit ON indicator. Each circuit shall have push button actuated, relay/ contractor to control the output of the circuit. All these circuits and components shall be housed in rigid PVC suitcase with carrying handle or wheels in case of higher capacity.

Current Circuit:

To Inject current of desired value in the relay/ contactor. This circuit consists of loading transformer, selector switch, variable control, fine adjustment. Depending upon specific requirement, percentage selector switch can also be provided to inject current at various multiples. The current injected is indicated by Ampere Meter. For large range the ammeter has a multiplier or current transformer.

Voltage Control:

Circuit supplies voltage independently as per requirement. The continuously variable voltage or fixed tap voltage can be provided as desired. AC, DC or both voltages can be provided along with corresponding metering, indications, switches etc.

Phase Circuit:

This is incorporated only when special type of relays are to be tested.The phase angle between voltage & current is developed to obtain current operational parameters of the relay.

Time Circuit:

Digital Timers with freezing facility is provided for recording the operation/ tripping time of relays. Each circuit is independent & push button operated, relay/ contractor to control the output of the circuit.

Introduction:

Contact resistance micro-ohm meter model RE-CR-100 is capable to measure resistance between 0.1 micro ohm to 2milli ohm. The instrument can provide test current between 10%-100%(100Amp-600Amp) subject to the load resistance and supply voltage. The system uses four terminals-two for current supply and two for resistance measurement. The unit has high current capability and is of compact design suitable for testing high current contacts for circuit breakers, switches, bus-bar joints and other application where high current junctions exist. The unit is housed in M.S. sheet housing, is light in weight and is supplied complete with 2 nos. current leads with clamps and 2 nos. potential leads with clips.

Special Features:

• Compact size for portability
• Easy to operate and operation manual is provided
• Built in safety arrangement for operator and equipment
• Efficient after sales service
• Guarantee for one year against manufacturing defects

Brief Technical Detail:

Input	230 V /- 10% AC 50HZ
Test Current	100/200/400/600 Amp (10%-100%)DC
Test Range	0.1 Micro OHM to 1999 Micro-OHM
Display	Backlit LCD display with 3 digit current pre-set & 4 digit resistence
Test Lead	Three Meters Power Lead & Three Meters Resistance Measurement Lead

Key Features:

• Upper limit and lower limit value are programmable
• Data can be sent to computer via Rs-232 port in text file
• Printer to make hard copy of the test performed
• 20 locations memory to store the data
• Protection against over-load & over temperature
• EMI & Ref protected

Introduction:

'RE' High Voltage Spark Testers are designed for checking the quality of PVC coated wires during manufacturing at shop floor. The PVC wire is passed through brass ball chains which carry high voltage. If any pin hole comes in PVC, a spark develop and electro-magnetic counter counts the fault. The spark tester in necessary for every cable manufacturing unit. Our spark tester up to 15KV are air cooled, thereafter transformer is oil immersed and control panel air cooled.

Special Features:

• Compact in size
• Easy to operate
• Built-in safety arrangement for operator
• Special insulating paper is used for transformer winding
• Guaranteed for one year against manufacturing defects
• Efficient after sales service

Brief technical details:

Input Voltage	230 Volts single phase 50Hz AC supply
Output Voltage Ranges	Upto 40 KV
Capacity	Upto 5 KVA
Metering	Voltmeter is provided in L.T. Side, to indicate HV output.
Electrode	Brass ball chain electrode is having a number of balls to ensure 100% contact with the coated wire which passes through the electrode.
Control	Knob to control the AC output from zero to maximum.
Protection	(a) ON-OFF switch with fuse provided to protect the unit in case Of short circuit. (b) HV will not actuate unless variac is at zero position. (c) The HV trips off automatically if anybody trips to each ball chain.
Fault Indicators	Audio Alarm is provided to indicate fault which passes through ball chain
Fault Counter	An electro- magnetic counter is provided to count the faults with resetting knob.

Application:

Impulse Voltage Generator is required for the application of Lightning Impulse Voltage of duration 1.2/ 50 µs between the capacitor terminals and body. The load capacitance will be of order of 1.0pF to 20nF (generally as per IS-13340-1993 and other relevant specifications)

Type	Portable
Input Voltage	220 ±5% V Single Phase, 50Hz
Power	15 KJ
Impulse Voltage	300 kV Peak
Output	Impulse Voltage according to IEC publication 60060 (latest version)
Wave shape	1.2/50 MS
Measuring, Display and print system	Measurement of Impulse Voltage with a built in a capacitive divider, suitable oscilloscope, Laser printer to print the oscilloscope shall from the part of measuring system.
Divider Output	Max. 10V at 300KV. The output of the divider shall be interface to a suitable storage. Oscilloscope/any display measuring system through a suitable attenuator along with printer. An additional GPIB/RS232 along with allied software system port shall be provided.
Efficiency Factor	Worst use 90%
Charging Voltage	Max. 300 kV
Polarity	Positive & Negative-selectable with a switch
Impulse Capacitance	Suitable capacitance for the generating capacity
Stored energy	15 KJ
Voltage	Upto 100 KV
Accuracy	± 5%
Lightning Impulse Voltage Wave	1.2/50µs,
Accuracy Rise time Tail time	±30% ±20%
Specification	IEC:60060

We are also engaged in manufacturing and supplying of electrical test benches, whose features are as follows:

• Motorized oil cooled 3 phase variable transformer
• Booster transformer 415/ 900 volts 3 phase oil cooled
• Mains On/ Off switch with fuses.
• 3 Nos. Ameters digital type having range 0-5 A range class 0.5
• 3 Nos. volt meters digital type volts range 2000 volt class 0.5
• 3 Nos. watt meter digital type with current range as per ammeter and voltage range as per the voltmeter
• 3 Nos. CTs class 0.5
• Range selector switch.
• Reversing / change over switch
• 3 Nos. input ON indicators
• Circuit ON switch
• Output ON contactor
• Output ON OFF push button
• Output MCCB
• Circuit on indicator
• Zero start interlocking
• Push buttons to increase/ decrease volts

'RE' is the pioneer in manufacturing of various electrical test equipment and automatic oil test set. Oil test set is designed for testing the dielectric strength of insulating oil as per IS-335/ IEC-156 AST/ standards. The unit develops high voltage between electrodes immersed in oil under test as per IS:6792. In addition to the test preparation in detail, the set is automatically governed by a full proof ASLC. This features enable the user to operate the equipment with a single touch of the 'membrance keyboard'. The results can be viewed on the double colour backlit LCD display or can be printed. The results can be summarized at a later stage because of the presence of 44 last tests stored in the memory.

Special Features:

• Compact size and portable design
• Built in safety arrangements
• Easy to operate
• Efficient after sales service
• Guaranteed for one year against manufacturing defects
  

Key Features:

• Auto/ Manual Selectable
• Manual Feather Touch Control
• Auto One Touch Operation
• Real Time Clock & Date
• Printer Facility on The Unit
• Seven Record Memory
• Average Calculation & Display
  

Brief Technical Detail:

'RE' Automatic Oil Test Set is designed, keeping in view for the requirements of the modern time and that of error free test results. The operator just has to load the sample in the test vessel and press test start. Rest of the job is taken care by the pre-programmed PLC, in which certain variables can be entered, though protected by a password. The variables provided are: stir time, wait time, operator code. The operator may program a test sequence and keep the test parameters saved for future use.

We manufacture cable fault burning unit according to the clients needs and specification.

Capacity	upto 100 kVA
Input	400/415 V 2 phases of 3 phase supply
Output	0-750/ 1500/ 3000/ 5000 V/ 10000V
Duty	5 minutes ON/OFF.

The unit is in two parts:

1. Main Transformer
2. Control Panel with Regulator

The Main Transformer will be step up type and will have OFF load tap changer for each voltage. Casted wheels shall be provided for ease of movement. The control Panel cum Regulating Transformer will have zero start interlocking with by-pass switch. It will have tripping on the primary side and also Ammeter, Multi range Voltmeter calibrated to indicate secondary voltage shall be provided. The unit can be used as High voltage tests upto 1000V. The unit will be designed for 5 minutes duty and will have sufficient capacity for burning fault. The Main HV Transformer and the Regulating Transformer will be oil cooled type.