Position Sensitivity
8
7
6
5
Observe the current value and waveform on the instrument’s display.
The flexible current probe can be used to AC current up to 3000A.
The probes provide a 3V full scale AC output proportional to the current
being measured with three selectable ranges.
Select the corresponding sensitivity (.. mV/A) on your ScopeMeter or
multimeter. If you are using a multimeter, select an appropriate AC voltage
range.
Don’t select AC+DC range for measurement.
Always use appropriate equipment for personal protection.
Do not use the flexible current probe to measure bare conductors
unless wearing protective clothing and gloves suitable for high
voltage work.
Replacing Battery
1. When battery light is on, the battery needs to
be replaced.
2.
Remove the flexible current
probe from any measuring
object.
3.
Switch the main dial to “OFF”.
4.
Open the battery door with a
screwdriver.
5.
Replace the old batteries
with two new 1.5V (AAA Size)
batteries.
6.
Close the battery door and
fasten the screw.
2 each
AAA/R03
batteries
Specifications
Probe Cable Length
(
s
)
:
Probe
Cable
Diameter:
Cable Length (Clamp to Box):
Cable Length (Box to Output):
Dimension (Box):
Weight:
254mm (10”)/ 458mm (18”)
8.5mm (nominal)
1.8m (6 ft)
0.5m
120mm(L)x70mm(W)x26 mm(H); 4.7”
(
L)x2.8”(W)x1”(H)
Approx.325g (include battery)
GENERAL SPECIFICATION:
(
At 23
±
5
,
≦
80 %RH,
conductor located at the center of the flexible loop)
°C
ELECTRICAL SPECIFICATION:
Measuring Ranges:
Output Sensitivity:
Accuracy (45-65Hz):
Bandwidth(-3dB):
Phase Error (45-65Hz):
Position Sensitivity:
AC: 30A/300A/3000A
AC: 100mV/10mV/1mV per Amp.
±
1% of full scale
10Hz to 10KHz
<
±
1
°
Refer to Figure 1.
Noise:
Power Supply:
Power Indicator:
Low Battery:
Battery Life:
Load Impedance:
0.03A/0.075A/0.5A
UM-4 or AAA 1.5V battery x2
Indicated by a green LED
Indicated by a red LED
Approx.120Hours(alkaline battery)
10KΩ minimum
Temperature Coefficients:
Add 0.1 x specified accuracy for each degree C above 28
or below 18
°C
°C
18”
Distance from optimum
Error
Flexible Current Probe
1 in
±
1.0%
2 in
3 in
±
2.0%
±
3.0%
10”
Distance from optimum
Error
Flexible Current Probe
1 in
±
1.0%
2 in
±
2.5%
Note:
Measurement uncertainty assumes centralized primary conductor at
optimum position, no external electrical or magnetic field, and within
operating temperature range.
18”
10”
Measuring Instruction
Figure 2. Connecting the flexible probe
around the conductor
If the current probe is used with a multimeter, the actual current value
can be calculated from the displayed AC voltage value.
Example 1 :
Current Probe set to 1 mV/A (3000A range).
Multimeter displays 2.000Vac rms.
Example 2 :
Current Probe set to 10 mV/A(300A range).
Multimeter displays 2.000Vac rms.
Figure 3. Measurement Setup
To activate unit, move the rotary
switch from “ Off ” position to the
required measuring range.
Connect the banana plugs to the
measuring meter. Select the desired
range.
If the value of current being
measured is unknown, first select the
highest range and then reduce
accordingly.
Connect the flexible probe around
the conductor (See Figure 2.)
Center the conductor perpendicularly
inside the flexible probe area.
Example 3 :
Current Probe set to 100 mV/A(30A range).
Multimeter displays 2.000Vac rms.
actual current = = = = 2000A ac rms
display value
sensitivity
2.000V
1mV/A
2000mV
1mV/A
actual current = = = = 200A ac rms
display value
sensitivity
2.000V
10mV/A
2000mV
10mV/A
actual current
display value
sensitivity
2.000V
100mV/A
2000mV
100mV/A
= =
= = 20A ac rms
Figure 1.
G 17, Bharat Industrial Estate, T. J. Road, Sewree (W), Mumbai - 400 015. INDIA.
Sales Direct :
(022) 24156638
Tel. :
(022) 24124540, 24181649, 27750662, 27750292 .
Fax :
(022) 24149659
Email :
Website :
www.kusamelectrical.com
®
®
AN ISO 9001:2008 COMPANY
