Preparations For Use; Getting Started; Supply Voltage; Assembly - Megger OTS80PB User Manual

Preparations for use

7. Preparations for use

7.1. Getting started

It is important to read the user guide thoroughly before operating the Oil Test Sets for the first time.
The safety warnings are particularly important.

7.2. Supply voltage

Before connecting line power to the instrument, the ground connector should be connected to a suitable earth point.
Both the AF and PB models are designed to operate on 50/60 Hz AC line power in the range 90 to 265 V AC.
For PB models, a 12 V DC power circuit for battery charging is fitted. The battery can be charged from mains power.

7.3. Assembly

„ Unpack instrument and contents of the packing box.
„ Ensure that the instrument is placed on a solid surface or table with sufficient working space.
„ Connect ground to a suitable earth connector.
„ Fit selected electrodes to the threaded shafts in the test vessel taking care not to scratch electrode surfaces.
Electrodes should be hand tightened onto the shafts to prevent any movement during use.
„ Adjustment of the electrode gap should be done with the feeler gauges provided, adjustment wheels locked and
the gap rechecked.
„ Fit test vessel into instrument chamber.
„ If batteries are fitted, before switching on the instrument for the first time, connect power and leave for a period of
at least four hours. This will ensure a full charge of the battery. (PB models only)
„ Read the section in this document entitled, "Instrument Operation" before powering up the Oil Test Sets for the
first time.
„ Connect line power.
„ Turn on the instrument.
„ Follow the instrument setup procedure detailed below.
OTS80PB and OTS60PB OTS100AF, OTS80AF and OTS60AF
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