Naresh Radio LLP

The MECO MC-904 is an excellent tool if you require reliable, analog-based insulation testing with a wide resistance range and compliance with safety standards. Ideal for technicians, electricians, and professionals conducting fieldwork or appliance diagnostics.

The MECO DIT 99BL-B is a compact and reliable digital insulation tester designed for accurate testing of insulation resistance in electrical equipment and installations. Operating at a 250 V DC test voltage, it measures resistance up to 200 MΩ with a resolution of 0.1 MΩ, making it suitable for routine insulation testing in industries, utilities, and maintenance applications.

Its 3½-digit LCD display with backlight ensures clear readings even in low-light conditions, while the high voltage warning indicator enhances user safety. Lightweight and battery-operated, the tester is easy to carry and use in the field. Built to meet IEC 61010 and IS 10656-1983 standards, it provides both performance and durability.

The instrument is supplied with test leads, carrying case, batteries, and calibration certificate, making it ready to use right out of the box.

The MECO DIT 954-6R is a versatile digital insulation tester designed to measure very high insulation resistance with precision and safety. Here’s a detailed breakdown of its features and specifications based on official documentation:

• Display & Operation

  • 3½-digit LCD with 1999-count resolution and large 29 mm digits for clear visibility .

  • Green backlight for low-light readability.

  • Auto-range capability and data-hold function for ease during testing.

  • Single-person push-button operation simplifies workflow.

  • High-voltage indicator via red LED warns when HV is active.

• MECO DIT99BL-C Digital Insulation Tester is a hand-held insulation resistance tester that is used to check the insulation resistance of wires, cables, and other electronic components.
• This digital insulation tester has a large LCD display for easy reading of test results. It is battery powered and comes with a built-in low battery alarm.
• This digital insulation tester features a high input impedance (10M ohms) and an auto power off function which can be set to 1, 3 or 5 minutes. It also features a safety feature that will prevent accidental contact with live terminals while in use.
• MECO DIT99BL-C digital insulation tester is with LCD display, which has clear and easy to read display.
• With this tester, you can get the insulation resistance value quickly and accurately.
• This insulation tester also has high accuracy, reliable performance and durable usage life.

The Rishabh INSU 20 is a professional-grade insulation resistance tester designed for accurate measurement of insulation integrity in electrical installations and equipment. Built for reliability, durability, and safety, it ensures compliance with international testing standards, making it ideal for industrial and service applications.

• Insulation Resistance Measurement at multiple test voltages

• Measurement Range: Up to 200 GΩ

• Test Voltages: 50V, 100V, 250V, 500V, and 1000V

• Large Backlit LCD Display for easy reading in low-light environments

• Auto Discharge of Test Voltage after completion for operator safety

• Polarization Index (PI) & Dielectric Absorption Ratio (DAR) Measurement

• Low Battery Indication & Auto Power Off

• CAT IV 600V Safety Rating

• Ergonomic, robust design with protective rubber holster

• Testing insulation in cables, transformers, and electrical installations

• Industrial and maintenance applications

• Utility and service sector testing

The Motwane IT-51-5 kV Digital Insulation Tester with PI is a high-accuracy, microprocessor-based insulation resistance tester designed for testing high-voltage electrical equipment in industrial and utility applications. It offers selectable test voltages up to 5 kV DC, making it suitable for insulation testing of cables, motors, generators, transformers, switchgear, and HV installations. The instrument features a wide insulation resistance measurement range, along with Polarization Index (PI) testing for reliable assessment of insulation condition over time. Its clear digital display ensures easy reading of results, while built-in safety features such as automatic discharge of the test circuit enhance operator safety. Built with a rugged enclosure for field use, the IT-51-5 kV tester is ideal for preventive maintenance, commissioning, and troubleshooting of electrical systems.

High Voltage Insulation Resistance Tester

RISH Insu 5000A is a high-voltage insulation resistance tester designed for testing insulation of motors, transformers, cables, switchgear and high-voltage electrical installations. It provides stable DC test voltages up to 5000 V and accurate insulation resistance measurement over a very wide range. The instrument is rugged, portable and suitable for field as well as laboratory use.

• 100 V

• 250 V

• 500 V

• 1000 V

• 1500 V

• 2000 V

• 2500 V

• 5000 V

• 10 kΩ to 1 TΩ

• AC / DC Voltage up to 2000 V

• Large Analog Meter with LED status indicators

• As per IEC 61557 and IS 2992 standards

• Overvoltage Category:

  • 2000 V CAT II

  • 5000 V CAT I

• Protection Class: II

• Ingress Protection: IP52

• Battery operated

• Optional hand-crank generator

• Optional AC mains module

• Operating Temperature: 0 °C to 40 °C

• Relative Humidity: Up to 75%

• Altitude: Up to 2000 m

• Dimensions: 290 × 250 × 140 mm

• Weight: Approx. 3.4 kg (with batteries)

• A – Analog Display

• AK – Battery operated with Crank option

• M – Mains power module

• R – High-voltage insulation resistance measurement

• RISH Insu 5000 Tester

• High-voltage test leads

• Test probes

• 5 kV crocodile clips

• Battery module

• Carrying strap

• User manual

• Quickly measure distance, calculate area / volume / pythagoras
• Auto level and height
• Built to withstand rainy or dusty conditions: 1-meter drop tested with rated IP54 (Fluke 404E / 406E), IP65 (Fluke 405 / 408 / 410),
• Electronic angle display, auxiliary level measurement
• Up to 100 sets of data storage
• The battery life up to 5000 single measurements
• Automatically power off after 3 minutes of inactivity
• Universal tripod interface, easy to use
• Type-C charging port, strong endurance
• 2-inch HD display, clear viewing in full sunlight
  

  Model	Fluke 410
  Specifications
  Range	0.2 to 100 m
  Accuracy* in favorable condition**	±(2.0mm+5x10-5D)
  Accuracy in unfavorable condition***	±(3.0mm+29x10-5D)
  Angle accuracy	±(0.3°+0.1°+0.01*A), A is up to ±45° in each quadrant
  Angel measurement method	Electronic
  Measurement unit	m / ft / in / ft+in
  Display	2.0-inch positive display

   

• Quickly measure distance, calculate area / volume / pythagoras
• Auto level and height
• Built to withstand rainy or dusty conditions: 1-meter drop tested with rated IP54 (Fluke 404E / 406E), IP65 (Fluke 405 / 408 / 410),
• Electronic angle display, auxiliary level measurement
• Up to 100 sets of data storage
• The battery life up to 5000 single measurements
• Automatically power off after 3 minutes of inactivity
• Universal tripod interface, easy to use
• Type-C charging port, strong endurance
• 2-inch HD display, clear viewing in full sunlight

 

The Rishabh AECT-12 is a high-precision Automatic Earth Clamp Tester designed for quick and accurate measurement of earth resistance and leakage current without the need to disconnect the earthing system. Ideal for electrical professionals, this instrument ensures safety and reliability in grounding systems.

• Clamp-On Measurement – No need to disconnect earth connections

• Measurement Range:

  • Earth Resistance: 0.01Ω to 1200Ω

  • AC Leakage Current: 0.5mA to 30A

• Auto-Ranging with high accuracy

• 32mm Jaw Opening for large conductors

• LCD Display with backlight for clear readings

• Memory Function to store multiple test results

• Audible Alarm for high resistance or excessive leakage current

• CAT III 300V Safety Rating

• Testing earthing systems in:

  • Electrical installations & industrial plants

  • Substations & transmission systems

  • Lightning protection systems

• Detecting leakage currents without interruption of service

The Rishabh AIT-501 is a high-performance digital insulation resistance tester designed to accurately measure insulation resistance in electrical systems and equipment. It supports multiple test voltages up to 5 kV, making it ideal for motors, transformers, cables, switchgear, and industrial installations. With its CAT IV safety rating, robust build, and advanced features, it ensures reliable insulation diagnostics for preventive and predictive maintenance.

• Test Voltage Options: 500 V, 1 kV, 2.5 kV, 5 kV

• Insulation Resistance Range: Up to 1 TΩ

• Accuracy: High precision with ±(5% + few digits)

• Short Circuit Current: ≥ 1 mA

• Display: Large backlit LCD with bar graph and numeric display

• Functions:

  • Insulation Resistance Measurement

  • Polarization Index (PI)

  • Dielectric Absorption Ratio (DAR)

  • Auto-discharge of capacitive circuits

  • Timer function for timed tests

• Power Supply: Rechargeable battery

• Safety Compliance: IEC 61010-1, CAT IV 600 V

• Testing insulation integrity of motors, generators, transformers, and cables

• Preventive maintenance in industrial plants and utilities

• High-voltage equipment testing for safety compliance

• Commissioning and troubleshooting of electrical systems

• ● Quickly measure distance, calculate area / volume / Pythagoras
• ● Auto level and height
• ● Built to withstand rainy or dusty conditions : 1-meter drop tested with rated IP54 (FLUKE 404E / 406E),
• ● Electronic angle display, auxiliary level measurement
• ● Up to 100 sets of data storage
  

  Brand	‎Generic
  Manufacturer	‎Fluke
  Country of Origin	‎China
  Number of Memory Sticks	‎1
  Item Weight	‎230 g
  Product Dimensions	‎5 x 11.5 x 2.9 cm; 230 Grams
  Batteries	‎1 9V batteries required. (included)
  Item part number	‎404 E
  Item Height	‎29 Millimeters
  Item Width	‎11.5 Centimeters
  Are batteries included?	‎Yes

The 5kV Insulation Resistance Tester BM5500 is a high-performance digital insulation tester designed for accurate and reliable insulation testing in industrial and electrical applications. It offers selectable test voltages of 250V, 500V, 1000V, 2500V, and 5000V DC, making it suitable for testing cables, motors, transformers, generators, switchgear, and high-voltage installations. The instrument features a wide insulation resistance measurement range up to 1 TΩ, ensuring precise evaluation of insulation health. With its dual digital and analogue arc display, users can easily interpret readings during testing. The BM5500 supports advanced test functions such as Polarization Index (PI) and timed insulation tests, along with a guard terminal to reduce surface leakage errors. Built for safety and durability, it includes automatic discharge of the test circuit and is ideal for preventive maintenance, commissioning, and troubleshooting of electrical systems.