Description
PRODUCT OVERVIEW
The SMART SENSOR AR3125 is a heavy-duty, high-voltage digital insulation resistance tester engineered for industrial diagnostics and predictive maintenance. Capable of injecting test voltages up to 5000V, this instrument is essential for verifying the dielectric stability of high-voltage apparatus. The device features advanced calculation capabilities, including Polarization Index (PI) and Dielectric Absorption Ratio (DAR), to provide a comprehensive analysis of insulation quality over time, distinguishing between moisture contamination and material aging.
TECHNICAL SPECIFICATIONS
Manufacturer: SMART SENSOR
Model Number: AR3125
Equipment Type: Digital High Voltage Megohmmeter
Rated Test Voltages: 500V, 1000V, 2500V, 5000V
Insulation Resistance Measurement Range: 0.0MΩ to 1000GΩ
Voltage Measurement Range (AC/DC): 30V to 600V
Accuracy (Voltage): ±2%rdg ±3dgt
Accuracy (Resistance): ±5%rdg ±5dgt (Range Dependent)
Short Circuit Current: >1.4mA
Sampling Rate: 0.5 to 10 times/second
Display Interface: Large LCD with Backlight and Analog Bar Graph
Advanced Diagnostics: PI (Polarization Index), DAR (Dielectric Absorption Ratio)
Safety Features: Auto-discharge of capacitive load, Live circuit warning (>30V)
Power Supply: 8 x 1.5V LR14 (C-type) Batteries or 12V DC External Adapter
Operating Temperature: 0℃ to 40℃
Storage Temperature: -20℃ to 70℃
Dimensions: 153mm x 213mm x 95mm
Net Weight: 1027g (Device only)
Gross Shipping Weight: 3.000 kg
Safety Standards: IEC61010-1, IEC61010-2-030, CAT III 600V
INDUSTRIAL APPLICATION
The AR3125 is specifically calibrated for the commissioning and maintenance of critical power infrastructure. It is deployed to test the insulation resistance of large-scale transformers, high-voltage switchgear, industrial motors, and long-run power cables. The 5000V output capability allows for deep dielectric stress testing, effectively identifying potential breakdown points caused by thermal aging, mechanical vibration, or environmental corrosion before system failure occurs.
LOGISTICS AND COMPATIBILITY
Original Engineering guarantees adherence to specified accuracy classes and safety ratings. Technical Compatibility is assured for standard industrial maintenance protocols requiring PI/DAR analysis. Please verify current Lead Time and shipping configurations for the 33cm x 28.5cm x 12cm packaging unit.
Key Attributes
Accuracy Class: ±2%rdg ±3rdg
Measuring Range: 0MΩ-1000GΩ
Testing Voltage: 0-600V AC DC
Place of Origin: Guangdong, China
Model Number: AR3123/AR3125/AR3126
Brand Name: SMART SENSOR
Dimensions: 153*213*95mm
Display Type: Digital Only
Operating Temperature: 0~40 ℃
Product name: SMART AR3125 Insulation Resistance Tester
Power supply: 8*1.5 LR14
Usage: Test Insultaion Resistance, voltage
Function: Resistance voltage Test
Application: Electronic Industry
Rated testing voltage: 5000V
Warranty: 1 Year
Display: Digital Display
Keyword: Insulation resistance tester
Packaging and Delivery
Selling Units: Single item
Single package size: 33X28.5X12 cm
Single gross weight: 3.000 kg
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