i310s English Instruction Sheet
Page 7
Current Measurement
1.
Switch on the Clamp to the required current range and
check that the LED is lit.
2.
Connect the output lead to an oscilloscope, multimeter,
or other measuring equipment.
3.
If necessary, adjust the Clamp output voltage to zero as
described in section Zero Adjustment.
4.
Clamp the jaw around the conductor ensuring a good
contact between the closing faces of the jaws.
5.
Observe and take measurements as required. Positive
output indicates that the current flow is in the direction
shown by the arrow on the Clamp.
Maintenance
Cleaning
Clean the case periodically by wiping it with a damp cloth and
detergent. Do not use abrasive cleaners or solvents. Do not
immerse the Clamp in liquids.
Battery Replacement
WX
Warning
To avoid personal injury, always ensure the Clamp
is removed from any live electric circuit, and leads
are disconnected before removing the battery cover.
Never operate the Clamp without the battery cover
fitted.
The red LED will flash when the minimum operating voltage is
approached. Refer to Figure 1. Use the following procedure:
1.
Unclamp from the conductor, turn it off using the On –
Off switch and disconnect the output leads, from
external equipment.
2.
Loosen the captive screw that secures the battery
cover. Lift the cover through 30° and pull it clear of the
Clamp body as shown in Figure 1. The battery is then
accessible. Replace the battery and re-fit the battery
cover and fasten the screw.
Note
Replacement with other than the specified type of
battery will invalidate the warranty.
Fit only the type 9 V PP3 Alkaline (MN 1604).
