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OTS80PB 80kV Auto Portable Oil Test Set Basic Build c/w 400ml Vessel

The Megger OTS80PB 80kV Portable Oil Test Set with 400ml Vessel designed to perform oil breakdown testing. Transparent, shielded lid enables the user to see what is happening in the test chamber.

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Megger OTS80PB 80kV Auto Portable Oil Test Set Basic Build with 400ml Vessel

Easy-to-use and own a Megger OTS Oil Test Set

If you need to perform oil breakdown testing then the Megger OTS is a fantastic solution. 

 The Megger OTS enables high productivity and it is easy to use so there‘s less chance of errors resulting in retesting which all means less user frustration!

Megger OTS80PB Key Features:

  • Full Range to suit all user needs
  • Easy adjust - locking electrode gap
  • Fast precision breakdown detection
  • Ultra fast (<10 µs) HV switch off time
  • Suitable for mineral, ester and silicone oils
  • Lightest - minimum weight 16 kg - portable instruments for measuring insulating oil breakdown voltage
  • Lock in precision - oil vessel with lockable adjustment
  • Bright 3.5 inch colour display visible outdoors
  • Suitable for mineral, ester and silicon oils
  • Trip detection circuit with direct measurement of voltage and current
  • NEW - IEC60156-2018
  • NEW - IEC60156-2018 V for Viscous Oils
  • NEW - IEC60156-2018 Annex A
  • NEW - IEC60156-2018 Annex A (V) for Viscous Oils
  • NEW - Withstand tests

The Megger OTS also has low ownership costs:

  • It has low cost accessories
  • It avoids repairs
  • It has a long product life
  • There‘s cost-effective super user kit that even contains a 150 ml vessel for low volume testing and a handy guide booklet to cover all your testing needs


▶ Video: Megger OTS Oil Testers Overview

Thumbnail for Megger OTS Oil Tester video


The Megger OTS features a clear TFT colour screen where all test result information is clearly displayed and the user interface has easy navigation keys and an intuitive menu system with six tabs. There are additional keys on OTS AF range for easy data entry if you only test to a particular range of standards these can be easily selected from a favourites list. Stored test data is easily transferred using a USB memory stick which is particularly useful in transferring data without the need to remove instruments from a truck or van. Additional or replacement test vessels are available at low cost meaning you can comply with the standards and have a separate vessel for each type of oil you test.

The Megger OTS is a tough instrument and vessel that is less likely to suffer damage. It is also future proof; If new or updated standards are released revised tests can be downloaded and installed.

Megger’s automatic portable oil test sets perform accurate breakdown voltage tests on mineral, ester and silicon insulating liquids. Moulded test vessels give repeatable results in the field and laboratory with lock in precision electrode gap setting adjustment wheels. The transparent, shielded lid is a key feature enabling users to see what is happening within the test chamber.

Megger portable 60 kV and 80 kV oil test sets are the lightest on the market ranging from 16 kg to 23.5 kg depending on model and configuration. They come complete with optional carry bag and transport case.


What comes with the Megger OTS80PB?

  • OTS80PB Laboratory Portable Oil Test Set
  • Vessel 400 ml assembly (stirrer lid fitted)
  • Full electrode set - IEC and ASTM
  • IEC and ASTM impeller
  • Printer
  • NiMH battery
  • Electrode gauge set
  • Calibration certificate
  • Power DB guide
  • Quick Start Guide
  • OTS Vessel Preparation Guide


Comparison Chart for: Megger OTS80PB 80kV Auto Portable Oil Test Set Basic Build c/w 400ml Vessel

Configured to order options
Printer (built in) or not
Internal battery fitted or not
Mains / Line supply lead (plug)
Electrode set supplied (IEC ASTM or Universal)
Soft Padded carry case
OTS Range Differentiating Features
Max test voltage
60 kV
80 kV
100 kV
Power supply
Lead acid battery option
NiHM battery option
Vehicle 12 V skt lead option
Mains only operation
Data management
Internal test result memory
Download results to USB stick
Barcode scanning capability
Keypad for easy asset ID and memo entry
Tough display and chamber lid
Low cost shatter proof test vessel
Large corner protecting rubber feet
Rugged non-flex construction
Transport case**
Protective carry case**
Light weight (<23 kg) one man carry
Operating costs
Low cost test vessel (Vessel of each oil **)
Annual full calibration
Test standards
Fast favourite list selection
Fully automatic test sequence
Test standards update via USB device ***
Custom tests
Easy pour / clean vessel design
Large test chamber (easy access)
Test chamber spilt oil drain
Continuous oil temperature measurement
Lockable thumb wheel adjustable electrode gap
Voltage output verification unit available
*Optional item **IEC 60156 recommends a separate test vessel is used for each type of fluid to be tested ***Important future proof feature


Accessory Code Description Price (Ex VAT)
1001-102 Accessory Lid Mounted Impeller Supplied (for use with 400ml vessel only) £245.00 ADD
1001-105 VCM100D Voltage Check Meter £1,250.00 ADD
1001-473 Vessel 400ml (no electrodes) £295.00 ADD
1001-474 Vessel 150ml (no electrodes) £315.00 ADD
1001-475 PB Transport Case with Wheels £670.00 ADD
1001-476 Carry Bag (OTS80PB) £165.00 ADD
1001-477 Accessory IEC Electrode Set - Includes Mushroom and Sphere Electrodes Stirrer Bar Gap Gauge Set Magnetic Bean Retreiver all in Case £250.00 ADD
1001-478 ASTM Electrode Set - Includes Cylinder Electrodes Both std and None std Mushroom Electrodes Stirrer Bar Gap Gauge Set and Magnetic Bean Retreiver all in Case £280.00 ADD
1001-479 ASTM and IEC Electrode Set - Includes Cylinder Electrodes Both std and None std Mushroom and Sphere Electrodes Stirrer Bar Gap Gauge Set and Magnetic Bean Retreiver all in Case £325.00 ADD
1001-801 VCM80D Voltage Check Meter £1,220.00 ADD
1002-144 Electrode Spacer Set Spare (new OTS) £116.00 ADD
25995-002 Printer Ribbon Cassette £20.00 ADD
27890-009 Stirrer Bar Magnetic MS/F1 £15.00 ADD
6220-482 Pair of Mushroom Electrodes £91.00 ADD
6220-483 Pair of Cylindrical Electrodes £91.00 ADD
6220-484 Pair of Spherical Electrodes £91.00 ADD