Installation - East Tester ET1090 User Manual

1 Installation

This chapter describes some checks that must be made when you receive the instrument and
the conditions that you must learn and be equipped with before installing the instrument.
1.1 Out of Box Check
Thank you for purchasing and using our products. Before using this instrument, please
confirm the contents of the last chapter "Warranty". In case of any non-conformity, please contact
us as soon as possible to safeguard your interests. Make sure that the following items are attached
to the bridge, where the optional accessories are included with the product only when ordered. If
any items are missing, please contact your nearest sales office.
Standard Accessories:
●Four-terminal-pair Kelvin test cable (35A51).
● Three-core power cord (30A51).
● One User Manual.
1.2 Power connection
(1) Power supply voltage range: 220V AC ± 10%, or 110V AC ± 10%.
(2) Power supply frequency range: 45-65Hz.
(3) Phase line L, zero line N, and ground line E of power input shall be the same as those of the
power plug of this instrument.
(4) The instrument has been carefully designed to reduce the clutter interference caused by the
input at the AC power supply terminal. However, it shall be used in a low noise environment. If
such is not the case, please install the power supply filter.
WARNING: In order to prevent leakage from causing damage to the instrument or person, the user
must ensure that the ground line of the power supply is reliably connected to the earth.
1.3 Fuses
The instrument has been provided with fuses in delivery; the user shall use the fuses provided by
the company.
1.4 Ambient Environment
(1) Please do not use it in the place subject to dust, vibration, direct sunlight and corrosive
gas.
(2) The normal working temperature of this instrument is 0 ℃ ~ 40 ℃, and working humidity
is from 15% to 85%; Therefore please use the instrument in this condition as far as possible to
ensure the measurement accuracy.
(3) The instrument has been carefully designed to reduce the clutter interference caused by
the input at the AC power supply terminal. If such is not the case, please install the power supply
filter.
(4) If the instrument is not to be used for a long time, please put it in the original box or
similar box and store it in the ventilated room with temperature of 0 ℃ ~ 40 ℃ and relative
humidity of not more than 85% RH; The air in the room shall not contain harmful impurities
Optional accessories:
●RS232 serial cable / USB data cable.
●Handle cable.
●Four-terminal-pair Kelvin test fixture (including
short block)
●SMD component test fixture (including short
block)
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