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-ESU Accessories Testing


Simple and convenient neutral electrode contact impedance tester. Standard Coverage : IEC 60601-2-2

  • Designed according to IEC60601-2-2:2009 clause for testing NE contact impedance.
  • Outputs 200mA into 0-50 Ω 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.
Parameters Specification
Frequency range 50 kHz to 5 MHz
Maximum voltage 11 Vrms (~31 Vpp), ≥ 50 Ω
Maximum Current >200 mArms, ≤ 50 Ω
Waveform Sine
Frequency Response < ±0.8 dB, 50 Ω
THD <0.3% (-50.4 dB), at 200 mArms, 50 Ω, 1 MHz
Impedance <3.2Ω + j0.4 µH
Auxiliary equipment for contact impedance test Oscilloscopes (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 Range 50 kHz to 5 MHz
Current Measurement Connector Type BNC
Power Source Power Adapter
Input: 100 – 240 V, 50/60 Hz
Output: 12 VDC / 2 A
Environment 10 oC to 40 oC, 30% to 90% RH
HFPA150 Test System
Model No. Description
HFPA150 NE Contact Impedance Tester
Optional Accessory
Model No. Description
Resistor Load APA013, 1Ω/50Ω power resistor load for HFPA150 calibration
Optional Calibration Service and Warranty Extension
Model No. Description
C3 Provides (3) years of calibration service coverage. WhaleTeq equipment can be calibrated to original performance on the basis of (1) year interval.
R3 Extend the limited warranty from (1) year to (3) years.

Tel:+886-2-2596-0701   Fax:+886-2-2596-0702 E-mail:
Address : 9F, No.27, Minquan W. Rd., Zhongshan Dist., Taipei City 10452, Taiwan
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