Cybertek EM501 RF Current Probe (20 Hz-200 MHz)

Available frequency range: 20 Hz to 200 MHz

Range with constant transducer factor（-3dB): 300kHz to 100 MHz

Transducer factor reduced by 20 dB/decade in range(-3dB): 20 Hz to 300 kHz

RF connector: N female

Effect by external magnetic fields Suppression of indication from current-carrying conductors next to probe: >40 dB

Max. DC current or peak AC current: 200 A  (f < 1 kHz)

RMS value of RF current: 1 A  (f > 1 MHz)

AC (RMS value): 6A  (f < 1 kHz)

Operating temperature range: –10 °C to +55 °C

Storage temperature range: –25 °C to 70 °C

Permissible core temperature: 80 °C

Dimensions L × W × H: 78x26x71 mm

Inner diameter: 22 mm

Weight: 260g

RF current testing (external 50Ω through load):

Output impedance: 50Ω (f ≥ 10 MHz)

VSWR: <2  (f > 10 MHz)

Insertion impedance: ≤0.8Ω

Transfer impedance In range with constant transducer factor ZT: 3.16Ω

Transducer factor k1) in range with flat frequency response (Figure 1): -10dB (1/Ω)

Load capacity dropping to: 0.2A (f < 1MHz)/ 2W (f > 1 MHz)

RF current injection: 

Output impedance: N/A

VSWR: N/A

Insertion impedance: ≤1Ω

Transfer impedance In range with constant transducer factor ZT: 7.1Ω

Transducer factor k1) in range with flat frequency response (Figure 1): -17dB (1/Ω)

Load capacity dropping to: 0.45A (f < 1MHz)/ 10W (f > 1 MHz) 50W (15min)