Digital ammeter
SIGMA ELEKTRIK SAN. VE TIC.LTD.STI
Digital ammeter is used to measure the AC current that goes the meter on its ring
circuit. It also can be used in other working condition that is on the purpose of
current measuring. The max value of the instantaneous conveyanoc current should
not ezceed 5A. The transforming rate of the can be set from 1/5A to 5000/5 with the
panel pushbutton. When the power sutting over, the class value set can be kept in
the meter and the meter can be working on this condition. The working power supply
input terminals(1-2) and the measuring signal connection terminals (3-4)are on the
back board of the meter and the display screen is on the font panel
Setting Of Current Transformer Ratio:
1. Press the key and then display screen will indicate the current value.
2. Press the ADD key (upwelling) or press the DOWN key (down welling) and
select the needed rate.
3. After select the rate, when press the set key, the display screen will be dark for
one time and the rate will be kept in the meter automatically.
4. Attention: When press the button, the time must exceed 3 minutes or the
operation will be of no effect.
Warning:
* A switch or circuit breaker must be connected between the network and the
auxiliary supply input of device
* Connected switch or circuit breaker must be in close proximity to the device
* Connected switch or circuit breaker must be marked as the disconnecting
device for the equipment
* The type of used fuse must be FF type and the current of the used fuse must
be 1A
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