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inside the instrument may retain a charge even if the instrument is
disconnected from its source of supply.
Use Only in Office-Type Indoor Setting
The probe is designed to be used in office-type indoor environments.
Do not operate the probe:
z
In the presence of noxious, corrosive, or flammable fumes,
gases, vapors, chemicals, or finely-divided particulates.
z
In environments where there is a danger of any liquid being
spilled on the probe.
z
In air temperatures exceeding the specified operating
temperatures.
z
In atmospheric pressures outside the specified altitude limits
or where the surrounding gas is not air.
Not for Critical Applications
This probe is not authorized for use in contact with the human body or
for use as a component in a life-support device or system.
Do Not Substitute Parts
Do not install substitute parts or perform any unauthorized modification
to the instrument.
Only Qualified Personnel
Only qualified personnel should use this probe. This differential
voltage probe is designed to be used by personnel who are trained,
experienced, or otherwise qualified to recognize hazardous situations
and who are trained in the safety precautions necessary to avoid
possible injury when using such a device.
Observe Maximum Working Voltage
Do not use the CT3686 or CT3687 probes above their maximum
working volatage ranges. See “Electrical Specifications” on page 10.
Use Proper Power Source
To ensure this probe functions well, use four AA cells or 6 VDC/200
mA or regulated 9 VDC/120 mA mains adapter or power leads. Do not
operate this probe from a power source that applies more than the
