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About this model
Understanding the Megger OTS PB and OTS AF Insulating Oil Test Sets
Professional insulating oil analysis is a critical component of preventative maintenance for high-voltage electrical assets. The Megger OTS PB and OTS AF series represent a class of automated oil testers designed to perform precise voltage withstand and breakdown testing on mineral, ester, and silicon insulating fluids. These units are engineered to deliver reproducible results in both laboratory and field environments, ensuring that transformers and other critical equipment maintain dielectric strength. Whether you are looking to buy a new tester for a mobile service fleet or a static laboratory setup, understanding the distinct advantages of the PB and AF models is essential for making an informed purchasing decision.
The design philosophy behind these test sets prioritizes operator safety and ease of use. All samples utilize precision test vessels that are shatterproof and easy to clean, reducing downtime between tests. Additionally, the inclusion of a transparent, shielded lid and a large test chamber provides unobstructed visibility, allowing technicians to monitor the testing process without compromising safety standards.
Technical Features and Field Applications of OTS PB Models
The OTS PB models are specifically tailored for field applications where portability and power versatility are paramount. These units are currently the smallest and lightest 60 kV and 80 kV oil testers available on the market, with weights ranging from just 16.8 kg to 20.8 kg depending on the configuration. This compact form factor makes them ideal for mobile laboratories and on-site maintenance crews who require high-performance testing without the burden of heavy equipment.
When evaluating the Megger OTS PB price, potential buyers should consider the added value of power versatility. These units can operate on mains power or internal battery power, offering unparalleled flexibility in remote locations. All PB models are powered by NiMH batteries and include an internal 12V DC charger, a standard power cord, and a convenient LED car adapter for charging on the move. For users who need to buy the OTS60PB or OTS80PB for rugged environments, optional accessories include a durable carrying case with dedicated pouches for electrodes, cables, and paper rolls, ensuring that all necessary components remain organized and protected during transport.
Advanced Laboratory Integration with OTS AF Models
For laboratory environments where throughput and data management are critical, the OTS AF models offer enhanced features that streamline the testing workflow. Available in 60 kV, 80 kV, and 100 kV variants, these units feature a significantly larger test chamber compared to the PB series. This expanded workspace facilitates easier access for cleaning and sample handling, which is a vital consideration for labs processing a high volume of insulating fluid samples daily.
The OTS AF series distinguishes itself with sophisticated data input capabilities. Each unit is equipped with a 12-key alphanumeric keyboard, allowing operators to easily input test IDs, filenames, and detailed notes directly into the device. Alpha characters are entered using a standard multi-tap method, similar to classic mobile phone keypads. Furthermore, for labs seeking the highest level of integration, these models support the use of a USB barcode reader to scan oil sample labels. This feature minimizes manual data entry errors and accelerates the testing cycle, making the purchase of an OTS AF model a strategic investment for modern laboratories.
Understanding Voltage Specifications and Rise Time Accuracy
When selecting the best oil tester for specific application needs, understanding the voltage specifications and rise time capabilities is crucial. The Megger OTS series offers a range of models to accommodate various dielectric strength requirements, from standard distribution transformers to high-voltage transmission assets. Below, we outline the specific voltage ranges for each model to help you determine which unit aligns with your operational demands.
While the specifications provide the technical foundation, the real value lies in how these parameters translate to reliable, compliant testing. The following list details the maximum voltage output for each model in the OTS PB and OTS AF families, ensuring you can select the exact unit required for your specific voltage testing protocols.
- OTS60PB: 0 to 60 kV rms maximum (30 kV – 0 – 30 kV)
- OTS80PB: 0 to 80 kV rms maximum (40 kV – 0 – 40 kV)
- OTS60AF: 0 to 60 kV rms maximum (30 kV – 0 – 3