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1.4
Installation
1.4.1 Dimensions
The instrument is supplied in a bench configuration, i.e., in a cabinet with resilient feet
for placement on a table. A bail is provided under the front edge so that the instrument
can be tilted back for convenient operator viewing.
QuadTech
Megohmmeter
1865
IR Tester
!
CAUTION
HIGH VOLTAGE
133.4mm
+
5.25"
GUARD
1.4.2 Instrument Positioning
The 1865 instrument contains a high resolution back lit LCD for convenient viewing.
The optimum angle for viewing is slightly down and about 30° either side of center. This
means that for bench operation the front bail should always be used to angle the
instrument up and for rack installation it should be mounted at eye level or higher.
1.4.3 Power Requirements
!
The 1865 Megohmmeter/IR Tester can be operated from a power source between
90 and 250Vac at a power line frequency of 47 to 63Hz. Power connection to the rear
panel is through an AC inlet module comprised of an AC connector and fuse drawer.
Before connecting the 3-wire power cord between the unit and AC power the fuse should
be in accordance with the power source, T2.5A, 250V, 5x20mm (QuadTech PN 520049)
for 115V or 220V source.
protection ground. The standard 1865 is factory shipped with the 2.5A fuse in place.
The instrument can be damaged if the wrong fuse is installed. To change the fuse
proceed as follows:
Introduction
DISPLAY
SELECT
RESISTANCE
2.620MΩ
-
444.5mm
17.5"
Figure 1-3: 1865 Instrument Dimensions
Always use an outlet which has a properly connected
ENTRY
TEST
STOP
START
0
1
406.4mm
16.0"
Page 25 of 87
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