Custom Test Leads by 3M 5M 10M Insulation Resistance Tester for MIT515 MIT525 MIT1025 MIT1525 Resistance Meters

Description

Manufacturer: Megger
Product Series: MIT Series High Voltage Insulation Resistance Testers
Component: Custom High-Performance Test Lead Set
Compatibility: MIT515, MIT525, MIT1025, MIT1525

Technical Specifications:
Lead Length Options: 3m (9.8 ft), 5m (16.4 ft), 10m (32.8 ft)
Voltage Rating: Up to 15 kV DC
Insulation Material: High-flexibility Silicone
Connector Type: 10mm shrouded safety plugs
Clip Type: Large insulated Kelvin-style or standard alligator clips
Operating Temperature: -20°C to +50°C
Safety Rating: CAT IV 600 V (to 3000m altitude)
Resistance Stability: Low-leakage design for Tera-ohm (TΩ) measurements

Product Overview and Engineering:
These custom test leads are engineered specifically for the Megger MIT family of diagnostic insulation resistance testers. Unlike standard multimeter leads, these cables are designed with specialized shielding and high-dielectric insulation to prevent surface leakage and parasitic capacitance, ensuring measurement accuracy at voltages up to 15,000V. The silicone jacket provides superior flexibility in cold weather and resistance to chemical exposure in industrial environments.

Industrial Application:
In high-voltage substation maintenance and large motor winding diagnostics, lead length and insulation integrity are critical. The 10m variant allows technicians to maintain a safe distance from energized equipment or reach high bushings on power transformers while maintaining the technical compatibility required for high-accuracy PI (Polarization Index) and DAR (Dielectric Absorption Ratio) testing. The robust clip design ensures a secure mechanical connection to large busbars and terminals, preventing arcing during high-stress insulation tests.

Logistics and Quality:
Condition: Original Engineering Standard
Lead Time: Standard stock item / 3-5 business days
Technical Compatibility: Verified for MIT515, MIT525, MIT1025, and MIT1525 models

Key Attributes
Accuracy Class: 1%
Current Range: 10A
Insulation Resistance: 2 TΩ
Measuring Range: 2 TΩ
Testing Voltage: 15kv
Place of Origin: China
Model Number: 3m 5m 10m
Brand Name: No
Current Resolution: 1 mA
Dimensions: 10m
Display Type: LCD
Operating Temperature: -20°C-50°C
Speed Range: 10 m/s
Time Resolution: 0.1 ms

Packaging and Delivery
Selling Units: Single item
Single package size: 35X35X13 cm
Single gross weight: 1.500 kg