| KOEHLER K16175 Dielectric Breakdown Voltage of Insulating Oils |
| Test Method The majority of high-voltage transformers, cables, switchgears, transducers, capacitors, and rectifiers use insulating oils for insulating electrically live parts and to carry off thermal energy. The quality of the insulating oil must be checked at regular intervals to ensure a long equipment service life. The most important requirement of an insulating oil is a high dielectric strength. Determination of the dielectric breakdown voltage of insulating oils provides an early detection method for any reduction in the insulating properties. |
| K16175 Automatic Portable Dielectric Breakdown Tester • Conforms to ASTM D877, D1816 and related test specifications • Output voltage: 75kV • Features 2.8” ultra bright color display for optimal readability and mobility • Built-in printer offers direct evaluation and reporting of results • Internal battery, external 12V power supply • Automatic Vernier function for electrode gap spacing • Measurement of Silicone based oils • Internal temperature measurement of oil sample • Bluetooth PC Connectivity and USB Flashdrive Capability Specifications Conforms to the specifications of: ASTM D877, D1816; BS EN 60156; CEI EN 60156; IEC 156; VDE 0370 Pt. 5 Output Voltage: Up to 75kV rms symmetrical Voltage measurement accuracy: 0 - 75kV ±1kV Voltage slew rate: 0.5 - 10kV/s Resolution (displayed): 0.1kV Power Supply: 85V - 264V, 47Hz - 63Hz, 12V external supply Power consumption: 60VA Internal rechargeable battery: 1 x 12V / 7.2Ah Switch-off time on flashover: < 5†s Measurement of oil temperature: 0 - 100°C / 32 - 212°F Temperature Resolution: 1°C / 1.8°F Display: 2.8” color (ultra bright) Selectable Programs: ASTM D1816-04-1mm, ASTM D1816-04-2mm, ASTM D877-02A, ASTM D877-02B, IEC 156/95 Customer-specific programs: Unlimited PC Software: Included Printer: Dot Matrix Hard Copy Output Interface: Bluetooth USB: USB memory stick Operating Temperature: -5°C - 45°C (23°F - 113°F) Storage Temperature: -20°C - 60°C (-4°F - 140°F) Relative Humidity: Non-condensing Included Accessories Calibration SheetAC Power Cable User Manual Dimensions WxHxD,in.(cm) 16.9x11x9.85 (43x28x25) Net Weight: 48.5 lbs (22kg) Shipping Information Shipping Weight: 54.5 lbs (24.7kg) Dimensions: 25x21x19in. (63.5x53.4x48.3cm) |
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