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30 A (low amps) Current Clamp
[TA234 - obsolete see TA189]
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The TA234 probe is a 30 A current clamp. The extended measuring jaws allow measurement in a confined space. When measuring DC, a simple thumbwheel on the probe allows zero adjustment.
This current clamp is ideally suited for use with PicoScope oscilloscopes and features additional screening to reduce noise pickup.
Specifications
| Electrical data |
| Nominal current |
30 A AC peak or DC |
| Measuring range (s) |
30 mA to 30 A DC (accurate)
5 mA to 30 A DC (usable) |
| Overload capacity |
500 A for 60 s |
| Output sensitivity |
100 mV/A |
| Accuracy |
±(2% of reading ± 2 mA) |
| Resolution |
± 1 mA DC after filtering |
| di/dt tracking capability |
> 20 A/µs |
| Conductor position sensitivity |
± 1% relative to center |
| Temperature coefficient |
0.1 x specified accuracy/°C
(0 °C to 18 °C, 28 °C to 50 °C) |
| Frequency range |
DC to 20 kHz (–0.5 dB) |
| Battery type |
9 V PP3, MN 1604, 6F22, 6LR61 |
| Min. load impedance |
1 MΩ |
| General data |
| Max. conductor size |
19 mm diameter |
| Output cable and connectors |
2 m long coax terminated with safety BNC connector |
| Operating temperature |
5 °C to 40 °C |
| Storage temperature (excluding battery) |
–20°C to 70°C |
| Humidity |
0 to 80 %RH |
| Altitude |
0 to 2000 m |
| Weight |
300 g |
| Dimensions (H x W x D) |
200 mm x 72 mm x 38 mm |
| Pollution degree |
2 |
| Safety |
EN 61010-1:2010
EN 61010-2-032:2012 |
| EMC |
EN 61326-1:2006
EN 61326-2-2:2006 |
| Environmental |
RoHS and WEEE compliant |
Typical Uses
With a 20 mm extended jaw the TA234 low amps current clamp is ideal for parasitic drain measurements without the need for battery cable disconnection. The clamp also boasts extreme accuracy from 5 mA through to 30 A DC with reduced noise levels so ensuring greater resolution for very low current applications, including:
Parasitic drain measurements
Petrol and diesel injector operation
Solenoid testing
Throttle motor functions
EGR actuator testing
Broadband 02 sensor testing (in conjunction with current multiplier) |
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Accessories for the 30 A (low amps) current clamp
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