5kV Digital Insulation Tester
The Motwane IT-51 microprocessor-based digital insulation tester is a cutting-edge tool that makes diagnosing high-voltage equipment a breeze. This microprocessor-controlled device is perfect for testing a variety of electrical gear, from transformers and switchgear to motors, generators, cables, and substation components.
With its dual-display system featuring both digital and analog readouts, you can enjoy improved monitoring and accurate measurements. Plus, the IT-51 takes care of Insulation Resistance (IR) and Polarization Index (PI) tests automatically, ensuring you get reliable and consistent results every time.
PI & DAR
Measurement Facility
Short Circuit Current
< 2mA +0.5mA
Selectable Test Voltage from 250V, 500V, 1000V, 2500V, 5000V DC.
Insulation Resistance
Measurement up to 1T Ω
Automatic Capacitive
Load Discharge
Mains &
Battery operation
- Internal Data Storage up to 1000 tests*
- Galvanic Isolated RS 232 & USB Port
- Application Software for Data Trending Analysis
- AC/DC voltage measurement up to 600V
- Auto Calibration at every start up
- Burn Mode for uninterrupted Insulation Resistance Testing
- Alarm Mode with Min-Max Settings & Pass Fail Indication
- CAT IV 600V, IP 65, Complies with latest IEC/IS Standards
- Operation from an AC source when the battery is flat
- Digital filter is designed with three different levels F-1, F-2, F-3 useful while testing insulation in heavy noisy environment.
- For 10K PI 6mA, Interference Rejection: 1mA RMS per 250V test voltage up to a max. of 8mA
Technical Specifications
| Model Name | IT-51 | |
|---|---|---|
| Terminal Voltage | ||
| Test Voltage | 250V, 500V, 1000V, 2500V, 5000V | |
| Test Voltage | ||
| Test Voltage Accuracy | ± 5 % of rdg | |
| Short circuit current | 1.4 mA ± 0.5 mA | |
| Programmable Timers | T1 and T2 | |
| Insulation Resistance | ||
| Analog Display | 1 KΩ to 1 TΩ | |
| Digital Display | (3 Digit Display) 1 KΩ to 1 TΩ | |
| Insulation Accuracy | ||
| Up to 1GΩ | All Ranges ±( 5 % + 2 digits) | |
| Over 1 GΩ | 5000V ± (5 % + 0.04% per GΩ) 2500V ± (5 % + 0.08% per GΩ) 1000V ± (5 % +0.2% per GΩ) 500V ± (5 % + 0.4% per GΩ) 250V ±( 5 % + 0.8% per GΩ) |
|
| AC/DC Voltage Measurement | ||
| Range | Up to 600V | |
| Accuracy | ± (5 % of rdg + 5 digits) | |
| Polarization index (PI) | ||
| Display range | 0 – 99.9 | |
| Accuracy | ±(5 % of reading + 5 digits) | |
| Resolution | 0.01 | |
| Model Name | IT-51 | |
|---|---|---|
| Power Supply Specifications | ||
| Battery | Rechargeable Battery 14.8V. 2600mAh | |
| Display | Custom Built LCD with white a backlight | |
| Mains Power Supply | Mains I/P Voltage 100-230V,50/60Hz | |
| Battery Charging Time | 5 Hours approx. (95% Charged) | |
| Backup | Approx. 3 hours of continuous testing at 5KV on 250 M load |
|
| Auto Power-Off | 10 minutes (approx.) | |
| General | ||
| Weight | 5.0 Kg (Approx) (without Accessories) | |
| Dimensions (H X W X L) | 365 mm(L) X 285 mm(W) X 190 mm(H) | |
| Environmental Specifications | ||
| Operating Temperature | -10°C to 55°C | |
| Storage Temp | -20°C to 70°C | |
| Humidity | less than 95% RH, non 0 condensing max at 40°C | |
| Safety and Standards | ||
| Safety in accordance with : EN 61010-1 : 2001 EMC in accordance with EN 61326-1 : 2006 Type Test in accordance with IS 11994 Ingress Protection IP 54 CE & CAT IV 600V Safety of test lead in accordance with EN 61010-031 : 2002 +A1 : 2008 | ||
| Standard Accessories Included | ||
| Test leads 3 meter | 1 Set | |
| User manual | 1 No | |
| Calibration sheet | 1 No | |
| Optional Accessories | ||
| Test leads 10 meters : 1 Set | ||
FAQs
Trusted by Industry Leaders in India and Worldwide
"Motwane is the oldest and the most trusted company in electrical testing products and solutions also. Motwane is known for reliable and rugged products also, we have procured from them. And our organization has been using these products and have found them satisfactory in performance and services also."
Mr. Shrikant S Rajurkar
Director Technical
MSETCL
"MOT-ware will enable us to go live with data immediately after recording."
Mr. Sanjay Sarkar
Head Projects
IBMS SPG, Sterling & Wilson
"Motwane products are highly reliable, built with great quality, and deliver accurate results. We at BSES Rajdhani Power have been using Motwane products for many years, and continue to do so."
Mr. Shailendra Saxena
Additional VP Protection
BSES Rajdhani Power Ltd.
