The EHP-200A from Narda Safety Test Solutions is a EMF Meter / Antenna with Frequency 9 kHz to 30 MHz, Voltage 10 to 15 V, Current 560 mA, Dynamic Range 80 dB, Measurement ranges E Field : 0.02 to 1000 V/m, H Field : 0.6 mA/m to 300 A/m. Tags: Meter. More details for EHP-200A can be seen below.