Order #: TRS1D
Mfg #: TRS1D
Megger TRS1D Transformer Ratio Standard: Step down ratio only
Order #: TRS1D
Mfg #: TRS1D
Product Highlights
The TRS1 is a unit designed to be used with ratio meters as a high accuracy reference ratio standard. This unique standard is able to provide ratios in both step down (traditional ratio test instruments) and step up (Biddle Hand Crank TTR) test modes. The standard is designed for use as a laboratory calibration standard, or as a portable check standard for field ratio and phase verification of any ratio instrument.
The TRS1 can be used with any single phase and three phase ratio meter. When testing three phase ratio meters with the TRS1, one uses the instrument’s single phase excitation for testing. Alternatively, three TRS1s can be combined to test a Wye-Wye configuration using the ratio meters three phase excitation test method.
- Step down ratio standard only
- Includes ratios from 1 to 2048 step down
- High Accuracy 0.01%
- Designed to be used with large test clips or banana jack inputs
- Four-terminal Kelvin - no lead compensation required
- Universal standard for use with all ratio meters
- Rugged design for field use
Model: TRS1D Specifications | |||
Description | Transformer Ratio Standard (Step Down Ratio Only) | ||
Dimensions | 144 H x 304 W x270 D mm | ||
Input Frequency | 50 to 240 Hz | ||
Step Down Voltage | < 275V AC | ||
Safety | IEC 61010 | ||
Operating Temp | -10°C to 50°C | ||
Weight | 5kg | ||
Max Loading | < 5VA | ||
Step Up Voltage | < 8VAC | ||
Vibe/Drop/Shock | MIL-STD-810G | ||
Storage Temp | -30°C to 70°C | ||
From Calibration Report @ Max V | |||
Mode | Ratios | Ratio Accuracy | Phase Accuracy |
Down | 1:1, 2:1, 4:1, 8:1, 16:1, 32:1, 64:1, 128:1 256:1, 512:1, 1024:1, 2048:1 |
±0.01% ±0.01% |
±6 minutes ±10 minutes |
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