The P51000 offers safe, overload-protected, current measurement via shunt resistor from amps to kiloamps with up to 10 switchable calibrated ranges.
It adds another strong point to the entire lineup of High Voltage Transducers from Knick.

https://www.knick-international.com/en/products/interface-technology/proline/high-voltage-transducers/proline-p-51000/

Accuracy: Gain error < 0.1% of measured value
Safety: Complete and continuous 3-channel electrical isolation up to 4800 V AC/DC (working voltage) and test voltage to 18 kV
Speed: Cutoff frequency 14 kHz and response time (T90) 45 microseconds
Flexibility: input and output ranges selectable by way of onboard dials
±0-30mV to ±125V unipolar/bipolar inputs
±20mA, ±40mA, 0-20 mA, 4-20 mA, ±0-10V, and ±0-5V outputs
Customer-specific input/ output settings possible
Universal Power Supply: 20 to 253 V AC/DC
Approvals: UL 347, IEC 62497, EN 61326-1 (EMC)

Virtually any current measuring application requiring high voltage isolation, safety, and robust construction, would benefit from P51000's capabilities.