The TTR100-1 Is an automatic handheld, battery operated transformer turns ratio test set used to measure the turns ratio, excitation current, phase displacement, dc resistance and polarity of windings in single and three-phase distribution transformers, potential & current transformers, and tapped transformers.
The TTR100-1 Is an automatic handheld, battery operated transformer turns ratio test set used to measure the turns ratio, excitation current, phase displacement, dc resistance and polarity of windings in single and three-phase distribution transformers, potential & current transformers, and tapped transformers.
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The unique design of the TTR100-1 allows the user to operate the test set while holding it in one hand. Realizing the extreme environments in which the TTR100-1 must operate, special attention has been paid to making it extra rugged, with a high impact, shock resistant case, yet incredibly lightweight at 3.3 lb. (1.5 kg). It weights less than any other commercially available instrument on the market.
Its rugged and robust design makes this instrument well suited for use in a variety of harsh environments. The TTR100-1 is particularly suited for testing in substations and transformer-manufacturing environments where testing single and three-phase transformers can be performed. The TTR100-1 provides reliable results, helping the user in determining the condition of the transformer under test. It features a high contrast LCD screen which can be seen in bright or ambient light.
The TTR100-1 and its lead set utilizes a METAL connection on both the instrument end and lead. This enhanced feature makes the instrument much more robust, improving reliability even under the harshest conditions.
This unit measures the highest turns ratio in the industry with an accuracy of 0.2% or better and with the lowest excitation voltage. Another excellent feature of this TTR us the ability to accurately measure phase deviation of the transformer primary versus secondary. This measurement is also useful in verifying phase errors in PTs and CTs.
Caractéristiques
| Type of Power | Rechargeable NiMH battery pack, 3.6 V dc, 3800 mAh |
| Battery Life | Up to 15 hours of field operation |
| Charger Input Voltage | 100-250 V ac, 50/60 Hz +/-2 Hz Unit can be operated while charging. Charging time is approximately three hours |
| Optional Charger Source | Optional inverter 12 V dc to 115 V ac for powering a charger from vehicle battery |
| Excitation Voltage | 8 V rms for testing distribution or power transformers, and PTs; 1.5 V ac RMS, or 8 V ac RMS for testing CTs |
| Test Frequency | 55 Hz internally generated providing a universal 50/60 Hz test set |
| Excitation Current Range | 0 to 100 mA, 4-digit resolution |
| Turns Ratio Range | 0 to 100 mA, 4-digit resolution |
| Phase Deviation Range | ±90º, 1 decimal point for the minutes display, 2 decimal points for the degree display, or for the centiradian display |
| Winding Resistance Range | 0 to 2000 Ω, 4 digit resolution |
| Transformer Vector Group | 1PH0 or 1PH6 |
| Current (rms) Accuracy | ±5% rdg ±0.5 mA |
| Phase Deviation Accuracy | ±5 minutes |
| Turns Ratio Accuracy* | ±0.20% (0.8 to 4,000), ±0.25% (4,001 to 10,000), ±0.30% (10,001 to 20,000 |
| PC/Printer Interface | RS232C port, 9-pin, 57.6 Kbaud (19.2 Kbaud for the printer) |
| Display full Graphics | LCD module, wide temperature range, 128 x 64 dots (21 characters by 8 lines) |
| Temperature Range | 4º F to 131º F (-20º C to 55º C) |
| Measuring Time | 8 to 20 seconds for a single-phase distribution transformer |
| Dimensions | 9.5 H x 4.5 W x 1.875 D in. (241 H x 115 W x 48 D mm) |
| Weight | Approx. 3.3 lbs (1.5 kg), instrument only, without leads |
Cliquer sur une catégorie pour voir une sélection d'accessoires compatible avec le Megger TTR100-1-NA0-ENG Single-phase TTR, Hand-Held, No Kit.
| Type of Power | Rechargeable NiMH battery pack, 3.6 V dc, 3800 mAh |
| Battery Life | Up to 15 hours of field operation |
| Charger Input Voltage | 100-250 V ac, 50/60 Hz +/-2 Hz Unit can be operated while charging. Charging time is approximately three hours |
| Optional Charger Source | Optional inverter 12 V dc to 115 V ac for powering a charger from vehicle battery |
| Excitation Voltage | 8 V rms for testing distribution or power transformers, and PTs; 1.5 V ac RMS, or 8 V ac RMS for testing CTs |
| Test Frequency | 55 Hz internally generated providing a universal 50/60 Hz test set |
| Excitation Current Range | 0 to 100 mA, 4-digit resolution |
| Turns Ratio Range | 0 to 100 mA, 4-digit resolution |
| Phase Deviation Range | ±90º, 1 decimal point for the minutes display, 2 decimal points for the degree display, or for the centiradian display |
| Winding Resistance Range | 0 to 2000 Ω, 4 digit resolution |
| Transformer Vector Group | 1PH0 or 1PH6 |
| Current (rms) Accuracy | ±5% rdg ±0.5 mA |
| Phase Deviation Accuracy | ±5 minutes |
| Turns Ratio Accuracy* | ±0.20% (0.8 to 4,000), ±0.25% (4,001 to 10,000), ±0.30% (10,001 to 20,000 |
| PC/Printer Interface | RS232C port, 9-pin, 57.6 Kbaud (19.2 Kbaud for the printer) |
| Display full Graphics | LCD module, wide temperature range, 128 x 64 dots (21 characters by 8 lines) |
| Temperature Range | 4º F to 131º F (-20º C to 55º C) |
| Measuring Time | 8 to 20 seconds for a single-phase distribution transformer |
| Dimensions | 9.5 H x 4.5 W x 1.875 D in. (241 H x 115 W x 48 D mm) |
| Weight | Approx. 3.3 lbs (1.5 kg), instrument only, without leads |
Cliquer sur une catégorie pour voir une sélection d'accessoires compatible avec le Megger TTR100-1-NA0-ENG Single-phase TTR, Hand-Held, No Kit.
