Description
The UNI-T UT515A is a professional-grade High Voltage Insulation Resistance Tester engineered for rigorous diagnostic evaluations of high-voltage electrical systems. Designed with Original Engineering standards, this digital megohmmeter delivers precise insulation resistance measurements up to 1000GΩ across multiple test voltage parameters, ensuring optimal Technical Compatibility with industrial transformers, heavy-duty motors, and extensive cable networks.
Technical Specifications
Manufacturer: UNI-T
Model Number: UT515A
Test Voltages: 250V / 500V / 1000V / 2500V / 5000V
Insulation Resistance Range: 0.01MΩ to 1000GΩ
DC Voltage Measurement: 0V to 600V (Accuracy: ±2% + 3)
AC Voltage Measurement: 0V to 600V (Accuracy: ±2% + 3)
Short Circuit Current: > 3.0mA
Dielectric Absorption Ratio (DAR): 60s / 15s and 60s / 30s
Polarization Index (PI): Integrated automated calculation
Data Storage: 18 internal memory groups
Interface: USB data transmission
Display: Advanced LCD with analog bar graph and active backlight
Power Supply: 8 x 1.5V alkaline batteries (LR14) or DC power adapter
Operating Temperature: -10°C to 50°C
Safety Rating: CAT III 600V, CE certified
Dimensions: 202mm x 155mm x 94mm
Weight: 1.8 kg
System Architecture & Integration
The UT515A utilizes a high-efficiency microprocessor-controlled architecture to execute automated PI and DAR calculations, eliminating manual computation errors during routine maintenance. The advanced digital display integrates an analog bar graph for real-time transient response monitoring. USB data transmission capabilities allow for seamless integration into predictive maintenance databases, facilitating long-term insulation degradation tracking.
Industrial Application
This instrument is critical for preventive maintenance in power generation facilities, railway networks, and heavy manufacturing plants. By applying up to 5000V DC, the UT515A accurately identifies micro-fissures, moisture ingress, and thermal degradation in stator windings and high-tension cables before catastrophic dielectric failure occurs.
Procurement & Lifecycle Value
Optimized for rapid deployment, our streamlined supply chain ensures minimal Lead Time for this critical diagnostic tool. The robust casing and high-grade internal components guarantee extended lifecycle value in harsh industrial environments, making it an indispensable asset for certified electrical engineers and maintenance technicians requiring verified Technical Compatibility.
Key Attributes
Accuracy Class: 3%
Measuring Range: 0~~1000GΩ
Testing Voltage: 0.0V~1000V
Place of Origin: Guangdong, China
Model Number: UT515A
Brand Name: UNI-T
Dimensions: 28 x 23 x 16 mm
Display Type: Digital Only
Operating Temperature: 14 to 122°F (-10 to 50°C)
DC voltage: 0.0V~1000V
Display mode: 4-digit LCD display
Output short circuit current: ≥5mA (10kV)
Safety level: CAT III 300V
Data storage: 500 groups
Packaging and Delivery
Selling Units: Single item
Single package size: 45X38X26 cm
Single gross weight: 6.000 kg
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