The purpose of Globecore’s Midel 7131 transformer oil tan delta tester TOR-3 is to evaluate the state and quality of insulating fluids. This tool ensures the dependable operation of transformers by quickly diagnosing impurities and moisture in synthetic transformer oils like Midel 7131. To assess the level of oil degradation, the TOR-3 measures the dielectric dissipation factor with extreme precision. The gadget helps prevent issues related to oil degradation and delivers globally standardized data in a timely manner. Because of this, the tool is essential for labs, energy corporations, and service facilities. The TOR-3 is simple to operate thanks to its small size, intuitive interface, and automated control system. Integrating the tool into diagnostic procedures is simple.
Midel 7131 transformer oil tan delta tester TOR-3 Specifications
| no | Item | Value |
| 1 | Operating AC voltage, V | 100 – 260 |
| 2 | Power frequency, Hz | 48 – 63 |
| 3 | Power requirement, VA | Below 250 |
| 4 | Applied measuring voltage АС, kV | Sinusoidal, 500 – 2000 V actual |
| 5 | Tan δ measurement range | 0,00001 – 4 |
| 6 | Tan δ measurement resolution | 1х10-6 |
| 7 | Tan δ measurement accuracy | +/- 1% of measurement + 0,00008 |
| 8 | Measurement range of relative dielectric constant ε | 1.0 – 15.0 |
| 9 | Accuracy of ε measurement | +/- 1% |
| 10 | Electrical capacitance C measurement range, pF | 20 – 1000 |
| 11 | Accuracy of С measurement, pF | +/- 1% + 1 |
| 12 | Oil temperature measurement range, ᴼС (oF) | 20 – 110 (68 – 230) |
| 13 | Measuring cell volume, cm³ (in³) | 42 (2,6) |
| 14 | Electric capacity of an empty cell, pF | 65 – 85 |
| 15 | One measurement duration, minutes, not more than | 5 |
| 16 | AC frequency setting range, Hz | 45 – 65 |
| 17 | Temperature measurement resolution, oС (oF) | 0.5 (33) |
| 18 | Inbuilt printer | None |
| 19 | Process temperature, oС (oF) | 0 – 50 (32 – 122) |
| 20 | Storage temperature, oС (oF) | – 20 (- 4) to +60 (+140) |
| 21 | Relative humidity, % | Up to 90 without condensation |
| 22 | Dimensions, mm (in) | 400 (16) Х 450 (18) Х 300 (12)* |
| 23 | Weight, kg (lbs), not more than | 5.3 (12)* |
* – with installed and connected cell
