Datasheet
TA300
AC/DC
CURRENT PROBE
User’s Guide
SAFETY
The following symbols appear on the product:
Attention! Refer to this manual.
Application around and removal from
UNINSULATED HAZARDOUS LIVE conductors is
permitted.
Double/reinforced Insulation.
Complies with the relevant European
standards.
Do not dispose of this product as unsorted
municipal waste. Contact a qualified recycler
for disposal.
To avoid electric shock:
• Use caution during installation and use of this product; high
voltages and currents may be present in the circuit under
test.
• This product must be used only by qualified personnel
practicing applicable safety precautions.
• Do not use the product if damaged.
• Always connect the probe to the scope device before
installing it around the conductor.
• Do not hold the probe anywhere beyond the tactile barrier:
see Fig. 1.
SPECIFICATION
Electrical data
(All accuracies are stated at 23 °C ± 1 °C)
Nominal current ....................... 40 A AC peak or DC
Measuring range (s) .................. 40 A
Overload capacity ..................... 500 A (60 s)
Output sensitivity ...................... 100 mV/A
Accuracy
1
................................. ± 1% of reading ± 2 mA
Resolution ................................ ± 1 mA
Gain variation ........................... ± 0.02% of reading/°C
Frequency range
1
..................... DC to 100 kHz (0.5 dB)
Power supply ............................ 5 V Nominal via
............................................... PicoScope 4444
Load impedance (minimum) ....... > 100 kΩ and ≤ 100 pF
General data
Conductor size .......................... 25 mm diameter
Output cable and connectors ...... 2 m long screened cable
............................................... terminated with D9 plug
Operating temperature .............. 0 °C to +50 °C
Storage temperature ................. -20 °C to +85 °C
1
Accuracy quoted is for conductor in center of aperture
-20
-15
-10
-5
0
-3
-2.5
-2
-1.5
-1
-0.5
0
0.5
1
10 100 1000 10000 100000
Phase shift in degrees
Gain in dB (wrt 100 Hz)
Frequency (Hz)
Typical frequency plot
Gain
Phase
Fig. 1.
1. Jaws
2. Tactile barrier
3. Jaw trigger