Description
The 30 A precision current clamp allows you to measure from 5 mA up to 30 A without cutting, disconnecting or stripping the wire. It is ideal for measuring the currents in sensors and actuators across most modern passenger and commercial vehicles.
The TA189 provides improved sensitivity, lower noise and faster response. Featuring a 25 mm jaw size this clamp is suitable for measuring battery drain over long periods. It also features an auto power-down facility to save battery life when not in use (this feature can be disabled for battery drain / shutdown current testing).
Using advanced Hall Effect sensors for improved sensitivity and high external field rejection as well as closed loop control for increased accuracy, the TA189 delivers a breakthrough in range and accuracy to meet the challenges of modern vehicles.
These current clamps have been designed for use with PicoScope oscilloscopes and feature additional screening to reduce noise pickup.
Specifications
| Electrical data |
| (All accuracies stated at 23°C ± 1°C) |
| Nominal current |
30 A AC peak or DC |
| Measuring range (s) |
30 A |
| Overload capacity |
500 A (60 s) |
| Output sensitivity |
100 mV/A |
| Accuracy |
± 1% of reading ± 2 mA |
| Resolution |
± 1 mA |
| Gain variation |
±0.01% of reading/°C |
| Frequency range1) |
DC to 100 kHz (0.5 dB) |
| Power supply |
9 V Alkaline battery
PP3, MN 1604
or IEC6LR61 |
| Load impedance (minimum) |
> 100 kΩ and ≤ 100 pF |
| General data |
| Conductor size |
25 mm diameter |
| Output cable and connectors |
2 m long coax terminated with safety BNC connector |
| Operating temperature |
0°C to +50°C |
| Storage temperature with Battery removed |
-20°C to +85°C |
|
|
1)Accuracy quoted is for conductor in centre of aperture
Shipping
The cost of shipping will be calculated at checkout, this website will only accept orders within the U.S.
Sales tax will be charged where applicable.
We use United Parcel Service and United States Postal Service. All shipments are insured unless otherwise indicated.
Delivery will likely require a signature.
Customers outside North America:
We always recommend sourcing PicoScope locally, but you are welcome to contact us for a quote. The online shopping cart will not accept international orders. when contacting us, please list any items you are interested in along with a street address for an accurate quote. We will then email a quote and an invoice if you decide to proceed. We have a secure online credit card payment method for international orders, we also accept Paypal.
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