The 275HP / 500 HP is a high voltage proximity detector. It has eight voltage detection settings from 240Vac to 275KVac / 500 KV AC. The 275HP / 500 HP consists of an internal pickup sensor plate, a sensitivity selector, a visual and a sound annunciator. With the 275HP / 500 HP, physical contact with electrical conductors is not necessary when testing for live lines. This tester works by proximity.

Its sensor senses the radiated field which surrounds live conductors. Radiated field strength increases with voltage and decreases quickly with distance or earth shielding. The radiated field from a cable of closely bunched conductors supplied by three phase power tends to cancel (See “Limitations of use” paragraph). Detecting distance of a 250Vac single live wire is approximately 10cm. With a bunched neutral and earth cable, as in a flexible cable, the distance is reduced to 5cm.

Some of the typical uses are : identify and check live cables; find fault in flexible cables; check earth equipment; service neon lightning; trace live wires; check high frequency radiation; detect residual or induced voltages. For example, faults in damaged flexible cables are found by applying low voltage to each conductor. Earthing the remainder and moving the tester along the cable until the change in condition is obtained. (Flexible cables which are used in mining and building industries, are readily repairable when the break in the cable is located.)

When testing for high voltage, the rotary switch (attenuator) is used to identify and differentiate various HV live cables. The tester must be used in conjunction with a long and insulating rod when measuring high voltage (KV). However, the 275HP is a non-contact tester and it is advised that the tester should never come into contact with cables (KV) as this tester is merely a non-contact AC proximity tester.

Checking or proofing the tester is easy. Switch the sensitivity to 240V and place the dome against a low voltage live conductor or rub the dome with a cloth or against an item of clothing as this generates a static DC which triggers the detection of circuit. The light and beeper should go “on” as if a live wire is being.

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Digital ELCB Tester

Item Code: KM-1812

FEATURES

* 2 Lines x 16 Characters L.C.D.
* Very Low Power Consumption.
* Microprocessor Controlled.
* Menu Driven.
* Accurate digital readout of disconnection Time.
* Automatic data hold function.
* Zero Crossing Circuitry permit testing at 0° or 180°.
* Disconnection Phase Polarity shown on L.C.D. Display.
* Auto-Off and Off override.
* Polarity Trip indicator (Positive or Negative Phase).
* Wiring polarity indicator.
* Measure voltage and frequency between Line and Earth before testing.
* Earth before testing.
* EN 61010-1 CAT III 240V.

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High Voltage Probe for Digital Multimeters

High Voltage Probe for Digital Multimeters

Item Code: PD-28

FEATURES

PD-28 is a high voltage probe used to measure both AC & DC voltage with your multimeter. They consist of 2 kinds of contact tips. One is a round needle tip for normal use & the other is a special flat spring type for CRT anode, a test clip for the ground, a set of test leads for multimeter & a high quality enclosure which has very high insulation properties.

SPECIFICATIONS
Input Impedance	1000 M???
Attenuation Ratio	1000 : 1
Accuracy	DCV (0 ~ 20kV )± 1%, DCV (20kV ~ 40kV) ± 2% ACV (0~28kV) typically ± 5% at 60 Hz
Max. Working Voltage	40kV DC or 28 kV AC
Operating Temperature	0^oc ~ 50^oc
StorangeTemperature	-10^oc ~ 60^oc
Cable length	1 Meter
Weight	Approx. 260g

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High Voltage Detectors

Item Code: 230HD

SPECIAL FEATURES :

• Telescopic, Compact, light-weight

• Light weight easy to use and handy.

• High-voltage detection in high tension

• Easy to recognize indications
Intermittent lighting in red of a high intensity light emitting diode and intermittent audible sound of an electronic buzzer are easy recognizable at a full daylight, noisy location.

• Water proof
The detecting head, being tightly enclosed, is free from any trouble due to dust, water.

GENERAL SPECIFICATIONS :

* Display : Light : Flashing red light; Sound : intermittent sound 50dB apart 3m.

* Overall length Retracted : 893 ± 50mm (Model 230HD) Extracted : 1520 ± 50mm (Model 230HD)

* Operating Temperature : -10°C ~ 50°C

* Battery : 2 button cells Lr44 (1.5V)

* Weight : Approx. 485g.(including Battery)(Model 230HD); Approx. 590g.(including Battery)(Model 290HD).

ACCESSORIES :

• Instruction manual & Carrying Case.

SAFETY :

• IEC / EN61243-1, 60068-2-6, 60068-2-32, 60068-2-14

• Water proof (detecting head impervious to water)

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High Voltage Detector 2

Item Code: 276HD

SPECIAL FEATURES :

• Telescopic, Compact, light-weight

• Light weight easy to use and handy.

• High-voltage detection : The equipment, whether in stretched state is available for voltage detection in high-tension circuits (3.3kV, 6.6kV & 24KV) whether the wires involved are naked or insulated.

•Low Voltage detection : The equipment can be used for voltage detection in low-tension circuits (80V ~ 600V) by holding the nameplate portion of the detecting head. Before-use check can easily be done by plugging in an AC 100V plug socket, without using a tester.

•Easy to recognize indication : Intermittent lighting in red of a high intensity light-emitting diode and intermittent audible sound of an electronic buzzer are readily recognizable at a full daylight, noisy location.

• Water proof : The detecting head, being tightly enclosed, is free from any trouble due to dust, dirt, water.

RATINGS AND SPECIFICATIONS :

* Working Voltage Range : H.V. : 3kV ~ 24kV AC hold grip portion to detect.
L.V. : 80kV ~ 600kV AC hold nameplate portion to detect.

* Frequency : 50 Hz / 60Hz

* Operation Test : (Initial Voltage)
(a) When stretched, hold the grip portion.
Put the sensing tip in contact with the voltage : 250V AC
± 50V the LED and buzzer should work.
(b) When retracted, hold the nameplate portion.
Put the sensing tip in contact with the voltage : 80V AC
or below the LED and buzzer should work.

* Operation start distance : Distance at which operation starts when front metal is brought near f5mm O. C. Wire with grip portion held by hand.
Where 24 kV / f 3mm (voltage to ground) @ 20 cm
Where 6.6 kV / f 3mm (voltage to ground) @ 3 cm
Where 3.3 kV / f 3mm (voltage to ground) @ 1 cm

* Dielectric Strength :
(a) Between Sensing tip ~ Grip portion : 50kV AC, 1 min(The detector has to be stretched)
(b) Between Sensing tip ~ Nameplate portion : 4kV AC, 1 min.

* Construction : Waterproof (detecting head impervious to water).

* Insulation resistance : Measure the insulation resistance with the high voltage insulation tester.
The areas we measure are the same as Dielectric strength test.
(a) Between Sensing tip ~ Grip portion : 1kV (The detector has to be stretched)
The insulation resistance has to be more than 2000M???.
(b) Between Sensing tip ~ Nameplate portion : 1 kV
The insulation resistance has to be more than 2000M???.

* Leakage Current Test : Put high voltage on the parts listed below.
(a) Between Sensing tip ~ Grip portion : 50kV AC, 1 min(The detector has to be stretched)
The leakage current has to be 100µA or less than 100µA.
(b) Between Sensing tip ~ Nameplate portion : 4kV AC, 1 min.
The leakage current has to be 100mA or less than 100µA.

* Working Temperature Range : -10°C ~ +50°C

* Battery : 2 button-cells LR44 (1.5V)

* Dimension : 354mm to 1005mm length

* Weight : Approx. 185g.

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AC Current Isolated Sensor Two Wire / Four Wire Transducer

MODEL - TSCT (Average Sensing)
MODEL - TFCT (TRUE RMS)

SPECIFICATIONS

Output	:	DC 4-20mA, 2 wire / 4wire ; DC 5-40V 2 wire
Accuracy	:	± 0.5% R.O.
Frequency	:	10 ~ 400Hz
Load	:	760 ??? (supply DC 24V)
Dielectric Strength	:	2.6 KV/min (Input / Output / Case)
Transient Protection	:	6KV ( 1.2 x 50 µs ) Surge
Response Time	:	< 250ms
Repeatability	:	< 0.1%
Zero & span Adjustment	:	± 5%
Housing	:	ABS plastic, Ul94 Class V-0
Dimension	:	38(L) x 63(W) x 74(H) x 33(Ø) mm
Operating Temperature & Humidity	:	-40^oC ~ 75^oC, 20 ~ 95% R.H.

AC Current Isolated Sensor Two Wire / Four Wire Transducer

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Power Supply

MODEL - KM PS 302AB / 303AB / 305AB POWER SUPPLY
Features
* High Stability
* ON/OFF output switch
* Fixed 3.3V / 5V Supply output
* Constant Current / Constant Voltage auto switch
* Coarse & fine adjustment setting for both Voltage & Current.
* Full scale long duration time output.
* 3 digit display for Voltage & Current function respectively.

MODEL - KM PS 302DII / 303DII / 305DII
Features
* High Stability
* ON/OFF output switch
* Fixed 5V Supply output
* Coarse & fine adjustment setting for both Voltage & Current.
* Full scale long duration time output.
* 3 digit display for each Voltage & Current function.

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Contact us
Mr. Pradeep Goliya G-17, Bharat Industrial Estate, , Tokershi Jivraj Road Mumbai, Maharashtra - 400 015, India Telephone: +(91)-(22)-24181649/ 24124540/ 24156638		Contact via E-mail

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