Operating Requirements
The instrument
has the following power requirements:
A single-phase power source with one current-carrying conductor at or near
earth-ground
(the neutral conductor).
NOTE. Systems with both current-carrying conductors live with respect to ground
(such a s phase-to-phase in multiphase systems) are not recommended as power
sources.
For mains supply frequency and voltage specifications, refer to Operating
Requireme
nts. . (Seepage14.)
Fuses
Only the line conductor is fused for over-current protection. The fuse is internal
and not user replacea ble. Do not attempt to replace the fuse. If you suspect the
fuse has
blown, return the instrument to an authorized service center for repair.
Batteries
The instrument does not contain any user-replaceable batteries.
Input
Ratings
Table 2: Maximum input voltage
Input Rating
At front-panel BNC connector. 1
MΩ
300 V
RMS
, Installation Category II; De-rate at 20 dB/decade between 4.5MHz and 45MHz,
De-r
ate 14db between 45Mhz and 450MHz. Above 450Mhz, 5VRMS..
Max
input voltage, 50 Ω and 75 Ω
5V
RMS
with a Peak of +/- 20V (DF<=6.25%)
At the P6316 probe input, not at the
ins
trument input
50 V
p-p
(threshold setting dependent)
Environmental Ratings
Table 3: Environmental specifications
Characteristic Description
Operating –10 °C to + 55 °C
Temperature
Nonoperating
–40 °C to +71 °C
Operating 5% to 90% relative humidity (% RH) at up to +40 °C,
5% to 60% RH above +40 °C up to +55 ° C, non-condensing
Humidity
Nonoperating
5% to 90% RH (Relative H umidity) at up to +40 ° C,
5% to 60% RH above +40 °C up to +55 °C
5% to 40% RH above +55 °C up to +71 ° C, non-condensing
MDO3000 Installation and Safety Instructions 17
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