Vitrek 981i Teraohmmeter

Overview

The Vitrek 981i is a high-voltage insulation resistance tester designed for demanding applications requiring precise leakage current measurement at voltages up to 6.5kV. It can measure resistances up to 150 Teraohms and features dual Coldfire microprocessors and dual DSPs to provide dwell times as low as 100ms for rapid testing.

Key Features

• DC Output Voltage: 30V to 6500V with 1V resolution
• Insulation resistance measurement: up to 150 Teraohms
• Current measurement accuracy: ±(0.5% + 10pA to 200pA per kV) depending on load type
• Fast IR readings: dwell times as low as 100ms
• Pico-amp leakage measurement capability
• Multi-dwell functionality for complex test sequences
• 4 IR test modes for multi-mode IR measurements
• Continuously variable IR test voltage
• Holds up to 100 tests with up to 254 steps per test
• Exceptional performance on capacitive loads including cables, PV panels, and CMC devices
• Ethernet, RS232, VICL, and optional GPIB interfaces
• Safety tested per EN 61010-1

Applications

• High-voltage cable and harness testing
• Electric vehicle system validation
• Solar panel array testing
• Capacitive load insulation testing
• Multi-conductor cable harness evaluation

Included Accessories

• Alligator test leads
• NIST traceable calibration certificate
• Power cord and operator's manual