mini-ATOS
mini Automatic Transformer Observation System
Description
Introducing the mini-ATOS, an exceptional multifunctional power transformer and substation diagnostic system. This intelligent and compact instrument revolutionizes the field of measurements with its cutting-edge hardware and software generation and versatile capabilities.
Equipped with the latest technology, the mini-ATOS offers an extensive range of routine and advanced tests. It excels in performing critical measurements such as Winding Resistance, Dynamic Resistance Measurement (DRM), Turns Ratio, Frequency Response of Stray Losses (FRSL), Magnetic Balance, and other essential diagnostic parameters.
With its built-in fully automatic multiplexer, the mini-ATOS streamlines the measurement process, requiring only a single connection for most functions. This intelligent feature significantly reduces testing time, allowing engineers and technicians to work efficiently and effortlessly. Whether conducting on-site evaluations or working in a laboratory setting, the mini-ATOS's portable and robust design ensures seamless operation in any environment.
At the core of the mini-ATOS lies Raytech's renowned commitment to precision and quality. This instrument is engineered to deliver fast and accurate measurements, enabling professionals to make informed decisions with confidence. Its user-friendly interface and intuitive controls make measurements fast and hassle-free, empowering users to perform tasks swiftly and effectively.
Experience the next generation of power transformer and substation diagnostics with the mini-ATOS!
Features
Measurement Methods
- Power transformers, Tap changers, PT’s and CT’s measurement
- Winding Resistance Measurements, Dual Power Supply
- Turns Ratio, Excitation Current and Phase Displacement Measurements
- Transformer Winding Connection and Vector Group Detection
- Demagnetization With Raytech SPP (Smart Pattern Predictor) Feature Based on Pattern Recognition
- Magnetic Balance Measurement
- DRM (Dynamic Resistance Measurement) (Optional)
- OLTC Motor Current Measurement (Optional)
- FRSL (Frequency Response of Stray Losses) (Optional)
- Short Circuit Impedance/ Leakage Reactance (Optional)
- Temperature Rise Measurement (Optional)
Additional Features
- Automatic Multiplexer for Primary and Secondary Side
- Automatic selection of suitable AC test voltage
- Controlling Tap Changer Manually or Automatically With the Tap Control Interface
- 5 Built-in Temperature Channels
User Interface and Data Management
- Color LCD With Backlighting and Capacitive Touch Screen
- User-friendly interface
- Operating the Instrument With a Touch Screen or by Using the Remote Control
- Test object Profile and Template creation, import and export
- Data exchange via USB-Key, serial cable and USB cable
- Report generation in various formats
- Internal Printer
Durability and Support
- The enhanced smart heavy-duty protection system
- Smart cooling system to dissipate the internal heat
- Extremely Rugged
- Software and firmware update
- Raytech technical support
- 2 years standard warranty
Specifications
Area of use:
Portable to use indoor and outdoor including heavy industrial electromagnetic environments
Enclosure:
Industrial high-impact plastic case
Supply:
IEC 60320, C13/C14 mains connector, CAT II
Absolute input voltages:
90-264 VAC @ 47-63Hz
Consumption power:
Max. 900VA
Output power:
Max. 600W
Test voltage user selectable (AC):
10-250 VAC
Max. test current (AC):
1A
Test current user selectable (DC):
50mA-30A and 25mA-7.5A simultaneously
Max test voltage (DC):
50VDC (100VDC with automatic booster)
Display:
7" TFT Color LCD
Input devices:
Capacitive touch screen, support mouse and keyboard
Interfaces:
3 USB 2.0 full speed (2 hosts, 1 device) and Ethernet
Printer:
Internal 1.9" thermal printer
Operating temperature:
-10°C (14°F) to +55° C (131°F)
Storage temperature:
-20°C ( -4°F) to +70°C (158°F)
Degree of protection (closed door):
IP67, dust-tight and water immersion up to a 1-meter depth
Size:
L: 525 mm (20.7”) W: 437 mm (17.2”) H: 213 mm (8.4”)
Weight (instrument):
16.5 kg (36.4 lbs.)
See Instruction Manual for more Parameters
Specifications are subject to change without notice
Accuracy
Ratio Measurement Parameters
Turns Ratio at 250VAC @ 55Hz
Range
Accuracy
Resolution
0.8 ... 200
±0.04% Rdg ± 1 LSD
5 Digits
200 ... 5000
±0.10% Rdg ± 1 LSD
5 Digits
5000 … 50000
±0.40% Rdg ± 1 LSD
5 Digits
Turns Ratio at 100VAC @ 55Hz
Range
Accuracy
Resolution
0.8 ... 200
±0.04% Rdg ± 1 LSD
5 Digits
200 ... 2000
±0.10% Rdg ± 1 LSD
5 Digits
2000 … 20000
±0.40% Rdg ± 1 LSD
5 Digits
Turns Ratio at 40VAC @ 55Hz
Range
Accuracy
Resolution
0.8 ... 200
±0.04% Rdg ± 1 LSD
5 Digits
200 ... 2000
±0.06% Rdg ± 1 LSD
5 Digits
2000 … 20000
±0.40% Rdg ± 1 LSD
5 Digits
Turns Ratio at 10VAC @ 55Hz
Range
Accuracy
Resolution
0.8 ... 200
±0.06% Rdg ± 1 LSD
5 Digits
200 ... 5000
±0.10% Rdg ± 1 LSD
5 Digits
Current
Accuracy
Resolution
0 ... 1A
±1.00% Rdg ± 0.01A LSD
4 Digits
Phase Angle
Accuracy
Resolution
±90° @ 55Hz
±0.05° ± 1 LSD
4 Digits or 0.01°
Output Voltage
Accuracy
Resolution
0 – 250VAC
±1% ± 1 LSD
4 Digits or 0.1VAC
Resistance Measurement Parameters
50V/7.5A DC Power Supply
Current Range
Measuring Range
Accuracy
Resolution
5.0 - 7.5A
0.00µΩ … 10Ω
±0.10% Rdg ± 1.6µΩ
5 Digits or 0.01µΩ
1.0 – 5.0A
0.00µΩ … 50Ω
±0.10% Rdg ± 8µΩ
5 Digits
0.5 – 1.0A
0.00µΩ … 100Ω
±0.10% Rdg ± 16µΩ
5 Digits
0.1 - 0.5A
0.00µΩ … 500Ω
±0.10% Rdg ± 80µΩ
5 Digits
25 - 100mA
0.00µΩ … 2kΩ
±0.10% Rdg ± 320mΩ
5 Digits
< 25mA
2kΩ … 10kΩ
±0.10% Rdg ± 50Ω
5 Digits
< 25mA
10kΩ … 100kΩ
±1% Rdg ± 500Ω
5 Digits
12V/30A DC Power Supply
Current Range
Measuring Range
Accuracy
Resolution
25.0 – 30.0A
0.00µΩ … 0.48Ω
±0.10% Rdg ± 0.4µΩ
5 Digits or 0.01µΩ
20.0 – 25.0A
200µΩ … 0.60Ω
±0.10% Rdg ± 0.1µΩ
5 Digits
20.0 – 25.0A
0.00µΩ … 200µΩ
±0.10% Rdg ± 0.3µΩ
5 Digits
15.0 – 20.0A
0.00µΩ … 0.80Ω
±0.10% Rdg ± 0.6µΩ
5 Digits
10.0 – 15.0A
0.00µΩ … 1.2Ω
±0.10% Rdg ± 0.8µΩ
5 Digits
5.0 – 10.0A
0.00µΩ … 2.4Ω
±0.10% Rdg ± 1.6µΩ
5 Digits
1.0 – 5.0A
0.00µΩ … 12Ω
±0.10% Rdg ± 8.0µΩ
5 Digits
0.5 – 1.0A
0.00µΩ … 24Ω
±0.10% Rdg ± 16µΩ
5 Digits
0.1 - 0.5A
0.00µΩ … 120Ω
±0.10% Rdg ± 80µΩ
5 Digits
50 - 100mA
0.00µΩ … 240Ω
±0.10% Rdg ± 1.2Ω
5 Digits
< 50mA
240Ω … 1kΩ
±0.10% Rdg ± 5Ω
5 Digits
< 50mA
1kΩ … 10kΩ
±1% Rdg ± 50Ω
5 Digits
Temperature
Accuracy
Resolution
0 – 70°C
±0.2°C ± 1 LSD
0.1°C
Flyer mini-ATOS
Flyer
1.04
13.01.2023
Short overview about the mini-ATOS.
Instruction Manual mini-ATOS
Instruction Manual
0.27
09.08.2024
Instruction Manual for mini-ATOS. Please note that this is a preliminary version and not the final version.
Firmware mini-ATOS
Firmware
1.08.14
09.09.2024
This is the newest Firmware for mini-ATOS.
Recommended
System Update mini-ATOS
Firmware
1.02.00
03.01.2023
This is the newest system update for mini-ATOS.
If there is problem to download the file, please try to right-click on the download icon and select "save link as" to manually download.
Recommended
Application Note mini-ATOS External Cable Hood
Application Note
1.02
17.10.2023
This application note provides useful information about the various cables and accessories of mini-ATOS.