Ludlum Measurements 239605, Руководство пользователя

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Model 3-IS & 3-IS-1 Technical Manual
Section 3
Ludlum Measurements, Inc. Page 3-1 October 2010
Specifications
Power
: two
˝
D
˝
cell batteries (Duracell Procell PC1300 1.5V alkaline)
housed in a sealed externally accessible compartment.
Battery Life
: typically greater than 2000 hours with the
AUD ON
-
OFF
switch
in the
OFF
position.
End-of-Battery Life Warning
: At 2.1 Vdc the meter needle will drop to the
edge of the
BAT TEST
or
BAT OK
area when the meter selector switch is
moved to the
BAT
position. At 2.0 Vdc a steady audible tone will be emitted
to warn the user of the low battery condition.
High Voltage
: adjustable from 400 to 1100 volts.
Threshold
: fixed at 40 mV
±
10 mV.
Meter
: 6.4 cm (2.5 inch) arc, 1 mA analog type.
Meter Face
: Typically 0-2 mR/hr, or 0-5k cpm +
BAT TEST
(others
available). (Model 3IS-1 is 0-10 mR/hr.
BAT TEST
)
Range
: typically 0-200 mR/hr, or 0-500,000 counts/minute (cpm).(M3IS-1
is 0.1 mR/hr to 1.0 R/hr)
Linearity
: reading within 10% of true value with detector connected.
Battery Dependence
: less than 3% change in readings to battery failure
indication.
Audio
: built-in unimorph speaker with
ON
-
OFF
switch (greater than 60 dB
at 2 feet).
Response Time
: toggle switch for fast (4 seconds) or slow (22 seconds)
from 10% to 90% of the final reading.
Connector (Model 3-IS only)
: series ˝ C ˝
Size
: 16.5 x 8.9 x 21.6 cm (6.5 x 3.5 x 8.5 inch) (H x W x L)
Section
3