MS-207TTransformer on-load switch tester

Used for measuring the transient waveform, transition time, instantaneous transition resistance values, and three-phase synchronicity of on-load tap changers in transformers.
Main Unit
1. Built-in precision constant current source with complete and reliable protection circuits.
2. Can perform tests with or without windings.
3. Built-in embedded PC-104 industrial computer, high speed.
4. 6-channel high-speed synchronous data sampling.
Operating Interface
1. 5.7-inch backlit wide-temperature LCD screen, clear display in sunlight.
2. Graphical and text display of results.
3. T9 input method, can input numbers, letters, Chinese characters, and various symbols.
Data Storage
1. Main unit storage capacity: 1GB, can store tens of thousands of sets of test data.
2. External USB flash drive storage function for storing more data.
3. USB flash drive data synchronization function for convenient data exchange.
4. Can directly open data files on the USB flash drive.
5. Tree-like storage structure, stored by station name, number, and tap position, convenient data retrieval.
Online Function
6. Equipped with Windows version "OTS Data Management Software".
7.  Features USB and RS232 online connectivity.
8. Complete PC data management and analysis functions.
9. Data import or on-site testing can be performed in PC online mode.
Software Upgrade
1. USB or RS-232 online upgrade.
2. On-site upgrade using a USB flash drive.

1. Output current: ≥1A, 3 channels.
2. Data sampling channels: 6 channels, sampling frequency: 10KHz
3. Measurement range: Transition resistance: 0.5Ω-20Ω, Transition time: ≤250ms
4. Resolution: Resistance: 0.01Ω, Time: 0.1ms
5. Measurement accuracy: Transition resistance: ±(5%+3 digits)
6. Transition time: ±(0.1%+1 digit)
7. Storage method: USB flash drive storage, 1GB internal storage
8. Dimensions: 350mm×230mm×200mm
9. Main unit weight: 5kg