The simple and convenient neutral electrode contact impedance tester.
Standard Coverage: IEC 60601-2-2
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  • Designed according to IEC 60601-2-2:2009 clause for testing NE contact impedance
  • Outputs 200mA into 0-50Ω load from 50KHz to 5MHz
  • Equipped with DDS (direct digital synthesis) technology for a stable frequency output
  • Inbuilt current monitor port eliminating the need for expensive current probes


Frequency Range50kHz – 5MHz
Maximum Voltage11Vrms (~31Vpp), ≥ 50Ω
Maximum Current>200mArms, ≤ 50Ω
Frequency Response< ±0.8dB, 50Ω
THD<0.3% (-50.4dB), at 200mArms, 50Ω, 1MHz
Impedance<3.2Ω + j0.4µH
Auxiliary Equipment for Contact Impedance TestOscilloscopes (Ch1 connects with voltage probe to measure voltage, Ch2 connects with HFPA150 current monitoring interface to measure the current value)
Current Measurement Accuracy< ±5%
Current Measurement Frequency Range50kHz – 5MHz
Current Measurement Connector TypeBNC

Power Source

Power Adapter
Input: 100 – 240V, 50/60Hz
Output: 12V DC / 2A
Environment10 – 40, 30% – 90% RH
Size / Weight18 x 18 x 4.8cm (L x W x H) / 0.7kg (net weight)

Ordering information

HFPA150 Test System

Part No.DescriptionQuantity
100-HF00103Model No.: HFPA150
Model Name: NE Contact Impedance Tester


Optional Accessory

Part No.DescriptionQuantity
300-HFPA15D1Ω/50Ω power resistor load for HFPA150 calibration1


Optional Calibration Service and Warranty Extension

Part No.Description
YY0007Model No.: C3
Provides (3) years of calibration service coverage. WhaleTeq equipment can be calibrated to original performance on the basis of (1) year interval.
YY0008Model No.: R3
Extends the limited warranty from (1) year to (3) years.

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