TTR550005B - Measurement Megger - Free user manual and instructions
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| Product Type | Transformer Turns Ratio Tester |
| Brand | Megger |
| Model | TTR550005B |
| Dimensions (approx.) | 400 x 300 x 200 mm |
| Weight (approx.) | 8 kg |
| Power Supply | 100-240 V AC, 50/60 Hz |
| Primary Functions | Turns ratio, excitation current, phase shift, winding resistance measurement |
| Measurement Range | 0.8 to 50,000:1 turns ratio |
| Accuracy | ±0.1% typical |
| Test Voltage | 40 V AC max |
| Display | Color LCD with touch screen |
| Data Storage | Internal memory, USB export |
| Interface | USB, Ethernet, optional Bluetooth |
| Safety Standards | IEC 61010-1, CAT IV 300 V |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Maintenance | Annual calibration recommended; clean with dry cloth |
| Spare Parts / Repairability | Replacement cables, fuses, battery (if applicable); contact Megger service |
| Accessories Included | Test leads, power cord, USB cable, carrying case |
Frequently Asked Questions - TTR550005B Megger
What is the TTR550005B used for?
The TTR550005B is a transformer turns ratio tester used to measure the turns ratio, excitation current, and phase shift of power and distribution transformers.
How do I set up the TTR550005B for a test?
Connect the test leads to the transformer terminals, ensure proper grounding, select the test mode via the touch screen, and press start. Refer to the manual for detailed connections.
What is the measurement range of the TTR550005B?
It measures turns ratios from 0.8:1 to 50,000:1 with high accuracy.
Does the device require calibration?
Yes, annual calibration is recommended to maintain accuracy. Contact Megger or an accredited lab for calibration services.
Can the TTR550005B store test results?
Yes, it has internal memory and can export data via USB. Results can be saved in CSV or PDF formats.
What safety precautions should I take?
Always follow lockout/tagout procedures, use appropriate PPE, and ensure the device is properly grounded. Do not exceed rated voltage.
What accessories are included with the TTR550005B?
The kit includes test leads, power cord, USB cable, and a rugged carrying case. Optional accessories like Kelvin clamps are available.
How do I clean the device?
Use a soft, dry cloth to clean the exterior. Do not use solvents or water. Keep the vent areas free of dust.
What is the operating temperature range?
The device operates reliably from -10°C to 50°C. Store it in a dry place between -20°C and 60°C.
Where can I find the user manual?
The manual can be downloaded for free from notice-facile.com or the Megger website. It contains detailed instructions and safety information.
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