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Megger TTRU3-BASIC 3-Phase True Transformer Turns Ratiometer with 7" display, basic model, -4 to 122°F

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$15,397.76
SKU:
TTRU3-BASIC
Availability:
2 to 3 Weeks
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Megger TTRU3-BASIC 3-Phase True Transformer Turns Ratiometer with 7" display, basic model, -4 to 122°F

$15,397.76

Megger TTRU3-BASIC 3-Phase True Transformer Turns Ratiometer with 7" display, basic model, -4 to 122°F is available at EquipTestPro.com with fast shipping and great prices.

Megger TTRU3-BASIC Offers

The TTRU3-BASIC is an important tool for determining the mechanical condition of transformers. All ratio tests are performed in one instrument, with only one 3Ø lead-set connection. The TTRU3-BASIC utilizes the latest 7" (180 mm) color touch display, as well as an optional printer so results are never lost. This is complimented with the ability to download results to a USB memory device.

Features

  • Step-up ratio testing
  • Step-down ratio testing
  • Confirmation of expected nameplate vector configuration
  • Ability to measure actual vs expected phase shift
  • Unique kelvin clamps with adjustable 3-inch jaw
  • Banana plug input for connection to terminal blocks
  • Turns ratio % error vs nameplate with pass/fail
  • Guaranteed accuracy ±0.10% from -4 to 122°F (-20 to 50°C)
  • Up to 125V test voltage
  • Magnetic balance test capabilities


Megger TTRU3-BASIC Specifications

Specifications

Input Power90 to 264 VAC, 47 to 63 Hz, 250 VA Max
OutputVoltage: 3Ø, 1 to 48VAC, up to 125V on PrimaryFrequency: 50 to 480HzCurrent: 0.1mA to 1A, Max 2A at 48V
Turns Ratio Measurement Methods1Ø Step Up1Ø Step Down
Step Down Excitation (25 to 48V)±0.10% 0.8 to 1000±0.20% 1001 to 2000±0.60% 2001 to 15000±1% 15001 to 50000
Step Down Excitation (1 to 24V)±0.10% 0.8 to 1000±0.20% 1001 to 2000±0.60% 2001 to 15000
Step Up Measurement (25 to 125V)±0.10% 0.8 to 200 (most Power Tx)
Step Up Measurement (1 to 24V)±0.10% 0.8 to 200
Turns ratio resolution5 digit resolution
Excitation Current MeasurementResolution: 0.1 mA (0.1 mA to 100 mA)Resolution: 1 mA (101 to 2000 mA)Accuracy: ±1% ±0.1 mA
Frequency MeasurementResolution: 0.1 HzAccuracy: ±0.1% ±0.1 Hz
Transformer Phase MeasurementRange: 0 to 360 DegreesAccuracy: ±0.05 Degrees
EnvironmentalOperating: -4 to 122°F (-20 to 50°C)Storage: -22 to 158°F (-30 to 70°C)Relative Humidity: 0 to 90%, non-condensing
Ingress ProtectionTTRU3: IP 51TTRU3 in transit case: IP 67
Touchscreen7" (180 mm)800 x 480 Resolution1100 NITS
Transformer Testing StandardsIEEE C57.152-2013IEC 60076-1:2011AS/NZS 6076 1:2014CIGRE 445 2011
CaseRuggedized case with fold out feetCanvas carrying bag for leads and accessories
Internal/External Data StorageUp to 2000 sets of 3 phase results internal storageTransferable via USB 2.0/3.0 thumb drive
Communication/Control Software7" (180 mm) built in display running custom GUI
Printer Output2" (51 mm) thermal printerPrints all measurement data displayed on GUI
Dimensions16 x 12 x 8" (406 x 304 x 254 mm)
Weight14 lbs (6.5 kg)


What's included with the Megger TTRU3-BASIC
  • Transformer Turns Ratiometer
  • AC Adapters
  • Power Cord
  • OLTC Tap Changer Cable
  • Carrying Case
  • Ground Cable
  • Thumb Drive
  • Triple Function Pen


Megger TTRU3-BASIC 3-Phase True Transformer Turns Ratiometer with 7" display, basic model, -4 to 122°F. Get Free Shipping when you order online at EquipTestPro.com.

Shop EquipTestPro.com for the best deals on Megger TTRU3-BASIC 3-Phase True Transformer Turns Ratiometer with 7" display, basic model, -4 to 122°F. Fast shipping, competitive pricing, and expert support. Visit equiptestpro.com today!

Shipping & Return Policy — EquipTestPro
Last Updated: February 1, 2026
Legal Policies

Shipping & Return Policy

Everything you need to know about orders, cancellations, refunds, and delivery.

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Section 01
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Please Note: Certain products are subject to restrictions and cannot be shipped to all destinations. Product-specific shipping availability is noted on each item's detail page. We do not currently ship to international destinations outside of Canada and the United States.
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Section 02
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Flat-rate shipping is calculated to reflect the cost of reliable, insured delivery. The rate shown at checkout is final — no hidden surcharges will be added after your order is placed.

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Section 03
Weight-Based Shipping

For certain items, shipping costs are calculated based on the weight of the product. The weight of any weight-based item is listed on its product detail page.

Rounding Policy: To align with the policies of our shipping carriers, all item weights are rounded up to the next full pound when calculating shipping costs.

For example, an item weighing 3.2 lbs will be rated at 4 lbs for shipping calculation purposes. This policy is standard practice across all major carriers we work with.

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Section 04
Product Restrictions

Some products sold on EquipTestPro are subject to shipping restrictions due to regulatory, carrier, or safety requirements. These include but may not be limited to:

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Where restrictions apply, this will be clearly noted on the product listing. If you have questions about a specific product's shipping eligibility to your location, please contact us before placing your order.

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Section 05
Order Processing

Orders are processed on business days (Monday through Friday, excluding statutory holidays). Orders placed after business hours or on weekends will begin processing the following business day.

1
Order Confirmed You receive an email confirmation with your order details.
2
Order Processed Your order is verified and prepared for shipment (1–2 business days).
3
Shipped You receive a tracking number by email once your package is dispatched.
4
Delivered Delivery timelines vary by destination and carrier availability.
Section 01
Order Cancellation Rights

You are entitled to cancel your Order within 30 days of receipt without providing a reason, subject to the processing fee structure described below.

The cancellation deadline is 30 days from the date on which you received the Goods, or on which a third party appointed by you (other than the carrier) takes possession of the delivered product.

To exercise your cancellation right, notify us with a clear written statement by:

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Section 02
Cancellation Processing Fees

The following fee structure applies to all cancellations. Please review carefully before requesting a cancellation.

Customer-Initiated
10%

A processing fee of 10% of the total order value will be withheld from your refund to cover payment processing, handling, and administrative costs.

Company-Initiated (Item Unavailable)
$0

If we cancel your order due to item unavailability, no processing fee will be withheld. You receive a full refund of the amount paid.

Refunds will be issued using the same payment method as the original purchase. No additional fees beyond those described above will be applied.

Section 03
Conditions for Returns

To be eligible for a return, all of the following conditions must be met:

  • The Goods were purchased within the last 30 days
  • The Goods are in their original, undamaged packaging
  • The Goods are unused and unaltered from the condition received
  • A valid receipt or proof of purchase accompanies the return
Sale Items: Only regular-priced Goods are eligible for a refund. Items purchased on sale or at a discounted price cannot be refunded. This exclusion may not apply where prohibited by applicable law.

We reserve the right to refuse returns of any merchandise that does not meet the above conditions, at our sole discretion.

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Section 04
Non-Returnable Goods

The following items are not eligible for return under any circumstances:

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Section 05
How to Return Goods

You are responsible for the cost and risk of returning Goods to us. Before sending any items, please contact us at info@equiptestpro.com to obtain the return shipping address.

Important: We strongly recommend using an insured and trackable mail service. We cannot be held responsible for Goods damaged or lost during return shipment, and we are unable to issue a refund without confirmed receipt of the returned Goods or verifiable proof of delivery.
Section 06
Refund Timeline

You should expect to receive your refund within four (4) weeks of delivering your return package to the shipper. In many cases, refunds are processed sooner. The timeline breaks down as follows:

1
Transit to Us 5 to 10 business days for us to receive your return from the shipper.
2
Return Processing 3 to 5 business days to inspect and process your return once received.
3
Bank Processing 5 to 10 business days for your bank to post the refund to your account.

We will process refunds no later than 14 days from the day we receive the returned Goods, using the same payment method as your original purchase.

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Section 07
Gift Returns

If the Goods were marked as a gift at the time of purchase and shipped directly to you, a gift credit equal to the return value (less any applicable processing fee) will be issued. Once the returned product is received and inspected, a gift certificate will be mailed to you.

If the Goods were not marked as a gift at purchase, or if the gift giver had the order shipped to themselves first, the refund will be issued to the original purchaser.

Questions? We're here to help.

Reach out to our support team for assistance with any order or return.

Not Applicable

Condition: NA

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  • How do I retturn items?
    All returns must be authorized. Items returned prior to authorization will not be accepted. For international customers where applicable, customers must ship any returns to us freight and duty prepaid. Return freight charges for internationsl shippments will be the responsibility of the customer.

    Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.

    Non defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returnsin which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.

    (Do not write anytingon the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.)

    Please, include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty (30) days.

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