1760
Users Manual
1-6
• The device may only be used under certain ambient conditions. Ensure that the
actual ambient conditions conform to the admissible conditions laid down in
Chapter 5, General Specifications.
• During the operation, ensure that the circulation of air around the instrument is
possible in order to prevent the accumulation of heat inside the housing.
• Always comply with the instructions in Chapter 2, Transport and Storage.
Proper Usage
Do not use the device for any other purpose other than measuring of voltages and
currents that are within the measuring ranges and categories, including voltage to earth as
laid down in Chapter 5, General Specifications.
Improper use shall void all warranty.
Electrical Connections
• Ensure that the power and connecting cables used with the device are
in proper
working order.
• Ensure that the protective earth connector of the power lead and the housing
earth connector are connected according to the instructions to the low-resistance
unit earth cable.
• Ensure that the power and connecting cables as well as all accessories used in
conjunction with the device are in proper working order and clean.
• Install the device in such a way that its power cable is accessible at all times and
can easily be disconnected. If this is not applicable a two pole circuit breaker
with a nominal current must be installed in the power supply lines.
Risks During Operation
For connection work, do not work on your own but in teams of at least two persons.
Do not use the device if the housing or an operating element is damaged.
Ensure that the connected devices work properly.
Measurement sensors must not be connected to unfused circuits.
Connectors with locking mechanism have to be locked firmly.
Maintenance and Repairs
Do not open the housing.
Do not carry out any repairs and replace any component parts of the device other than the
replaceable battery.
Damaged connecting and power leads must be repaired or replaced by an authorized
service technician.
Authorized, specialized technicians may only repair damaged or defective devices.
Accessories
Only use the accessories supplied with the device or specifically available as optional
equipment for your model.
Ensure that any third-party accessories used in conjunction with the device conform to
IEC 61010-031/-2-032 standard and are suitable for respective measuring voltage range.
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