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Liens rapides
1/04
OPERATING INSTRUCTIONS
MODEL AV2A
TRMS OPEN JAW
CURRENT SENSOR
A.W. SPERRY INSTRUMENTS INC.
The Professional's Choice
FORM #320
Fork Jaws
Function
Selector
Switch
Data Hold/Zero
Adjustment
Button
Display
®
1. SAFETY WARNINGS
This instrument has been designed and tested
according to IEC Publication 61010: Safety
Requirements for Electronic Measuring Apparatus.
This instruction manual contains warnings and
safety rules which must be observed by the user
to ensure safe operation of the instrument and to
retain it in safe condition. Therefore, read through
these operating instructions before using the
instrument.
WARNING
!
• Read through and understand instructions
con tained in this manual before starting to
use the instrument.
• Save and keep the manual handy to enable
quick reference whenever necessary.
• Be sure to use the instrument only in its
intended applications.
• Be sure to understand and follow all safety
instructions contained in the manual.
• Be sure to observe above instructions.
• Failure to follow the above instructions may
cause injury, instrument damage
and/or damage to equipment under test.
The symbol
indicated on the instrument
!
means that the user must refer to related parts in
the manual for safe operation of the instrument.
Be sure to carefully read the instructions following
each
symbol in this manual.
!
DANGER is reserved for conditions and
!
actions that are likely to cause serious or
fatal injury.
WARNING is reserved for conditions and
!
actions that can cause serious or fatal injury.
CAUTION is reserved for conditions and
!
actions that can cause minor injury or
instrument damage.
!
• Never make measurement on the circuit
above AC/DC300V.
• Do not attempt to make measurement in the
presence of flammable gasses.
• Otherwise, the use of the instrument may
cause sparking, which can lead to an
explosion.
• Never attempt to use the instrument if its
surface or your hand is wet.
• Do not exceed the maximum allowable input
of any measurement range.
• Do not open the battery cover and the
instrument case when making measurement.
DANGER
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Sommaire des Matières pour A.W. Sperry Instruments AV2A
- Page 1 • Do not exceed the maximum allowable input of any measurement range. • Do not open the battery cover and the A.W. SPERRY INSTRUMENTS INC. instrument case when making measurement. The Professional’s Choice ®...
- Page 2 non-grounded metal tube or metal case. Also it WARNING may be affected in the place where influenced by • Never attempt to make any measurement, if the other voltages, how you grip the instrument or the instrument has any structural abnormality measuring position of sensor.
- Page 3 REFERENCE CAUTION • Indications may not being displayed on the LCD despite the function selector switch is at the position other than OFF position. This is because power-off function operated automatically and the instrument turned off. • Power off function can be released by turning the function selector switch to OFF, and then set it to the range on which you would like to make a measurement.
- Page 4 Note: When current is flowing from the upside • Indicated voltage value may be affected by to the underside of the instrument, reading is non-grounded metal tube or metal case, the positive(+), on the contrary, reading to be place where affected by other voltages, negative(-) when current is flowing from the handgrip or the measuring position of sensor.