Description
Model: AEMC 8510 Digital Transformer Ratiometer
Part Number: 2136.55
Precision, Accuracy, and Confidence in Every Test
The DTR® 8511 is the next-generation digital transformer ratiometer, engineered to make transformer testing faster, safer, and more reliable than ever. Building on the proven performance of the DTR® 8510, this enhanced model introduces modern upgrades for the field—combining rugged portability with advanced measurement technology.
Designed for Field TechniciansNo hand cranking. No calibration. No wasted time.
The DTR® 8511 was built for fast, accurate, and hassle-free testing of transformers (power, VT/PTs, and CTs). With its brighter display, ergonomic design, and built-in safety checks, you’ll have confidence in every result.
Why Choose the DTR® 8511?- Wide Ratio Range - Accurately measure transformer ratios up to 8000:1 for VT/PTs and 1000:1 for CTs.
- High Precision - Advanced low-voltage step-down technology ensures repeatable, reliable results.
- Automatic Testing - Fully automatic cycles check for lead reversal and open circuits—no manual balancing required.
- Built-In Continuity & Deviation Checks - Instantly compare measured values to stored nameplate data for clear pass/fail results.
- Rugged & Field-Ready - Lightweight IP53-rated design with a bright backlit display and oversized test button for easy use—even with gloves.
- Flexible Power Options - Operates on rechargeable NiMH batteries, USB-C, or 12 VDC supply.
- Large Storage Capacity - Save up to 9,801 test results for recall and reporting.
- Seamless Data Management & Connectivity - Connect directly to your PC via the isolated USB interface to manage results, configure nameplate values, and generate professional reports with the included DataView® software and DTR® Control Panel.
| VT/PT Ratio Range | Auto-Ranging: 0.8000:1 to 8000.0:1 |
| VT/PT Accuracy | 0.8000 to 9.9999: ±0.2% of Reading 10.000 to 999.99: ±0.1% of Reading 1000.0 to 4999.9: ±0.2% of Reading 5000.0 to 8.000.0: ±0.25% of Reading |
| CT Ratio Range | Auto-Ranging: 0.8000 to 1000.0 |
| CT Accuracy | ±0.5% of Reading |
| Excitation Signal | VT/PT Mode: 32Vrms max CT Mode: Auto Level 0 to 1A, 0.1 to 4.5Vrms |
| Excitation Current Display | Range: 0 to 1000mA Accuracy: ±(2% of Reading +2mA) |
| Excitation Frequency | 70Hz |
| Display | LCD 16 character, 2 line, large format, LED backlight, day/night visible |
| Languages Supported | English, Spanish, French, Italian, German, Portuguese |
| Communication | Optically isolated USB 2.0 |
| Data Storage | Up to 10,000 complete measurements |
| Power Source | Two rechargeable 12V NiMH batteries (included) |
| Battery Life | Up to 10 hours of continuous operation |
| Low Battery Indication | LED and LCD |
| External Charger | 90 to 240V, 50/60Hz (smart charger) |
| Charging Time | <4 hours |
| Measurement Method | In accordance with ANSI/IEEE Std. C57.12.90-2006 |
| Software | DataView analysis software included |
| Dimensions | 10.70 x 9.76 x 5.12” (272 x 248 x 130mm) |
| Weight | 8.1 lbs (3.7kg) |
| Operation Temperature | 14° to 122°F (-10° to 50°C) |
| Storage Temperature | -4° to 140°F (-20° to 60°C) |
| Index of Protection | IP40 (lid open), IP53 (lid closed) |
| Double Insulated | Yes |
| CE Approved | Yes |
| Safety Compliance | IEC 61010-1 (1995-A2) 50V CAT IV Pollution 2 |
User Manuals
Model DTR 8510 Multi-lingual (CA France version)
Datasheets
Brochures
Digital Transformer Ratiometer Models 8510 & 8505
Software/Firmware
DataView Software
Ver. 3.61.0008 Open Release Notes for the latest updates | Models Supported by DataView
Release Date: November 12, 2019
DataView Complete (Report generation and control panels)
Executable: Version 3.61.0008 - .exe
Zipped File: 471MB Version 3.61.0008 - .zip
IMPORTANT:
- Back-up all template files before installation to ensure that they do not get overwritten.
- Uninstall previous versions of DataView before installing a new version.
- PQL Loggers and Sentinel Series are no longer supported by DataView. See bottom of the page for a compatible version
Supported Operating Systems:
Windows 7 (32 & 64 Bit)
Windows 8/8.1 (32 & 64 Bit)
Windows 10 (32 & 64 Bit)

