Ludlum Measurements 239605, Manual

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Model 3-IS & 3-IS-1 Technical Manual
Section 5
Ludlum Measurements, Inc. Page 5-1 October 2010
Safety Considerations
Environmental Conditions for Normal Use
Indoor or outdoor use
No maximum altitude (the detector may be affected by altitude, refer to
the detector manual for more information.)
Temperature range of –20 to 50 °C (–4 to 122 °F)
Maximum relative humidity of less then 95% (non-condensing)
Pollution Degree 3 (as defined by IEC 664).
Connecting a Detector to the Instrument
Caution!
The detector operating voltage (
HV
) is supplied to the detector via
the detector input connector. A mild electric shock may occur if
you make contact with the center pin of the input connector.
Switch the Model 3-IS range selector switch to the
OFF
position
and wait for 60 seconds before connecting or disconnecting the
cable or detector.
Warning!
A special 39 inch cable is supplied with the Model 3-IS. If
replacement is needed, ensure the same type is used. This cable is
identified by type “C” connectors with locking screws and light-
blue molded-rubber strain relief.
Section
5