MEASTEK MDP5700C High Voltage Differential Probe 40MΩ High Input Impedance, CATIII Safety Certification

MEASTEK MDP5700C High Voltage Differential Probe 40MΩ High Input Impedance, CATIII Safety Certification

Key Features:

1. Ultra-low input capacitance

single-ended input capacitance to ground (MDP5700 series <5pF), two input ends <2.5pF, reduce signal interference and improve high-frequency measurement accuracy.

2. High input impedance design

single-ended impedance to ground reaches 20MΩ (MDP5700 series), two input ends 40MΩ, adapt to high impedance circuits to avoid load effects

affecting measurement results.

3. Dynamic overload protection

overload indicator real-time monitoring voltage threshold (such as 1000X mode > 7000Vpk triggers red light) to prevent equipment damage and ensure safe operation.

4. Professional-level adaptation scenarios

support ±7000Vpk common mode voltage, suitable for precise debugging of high-voltage systems such as power electronics, new energy inverters, industrial inverters, etc.

5. Plug-and-play package

standard USB power supply cable, BNC output cable and a variety of probe clip accessories, no additional configuration is required, and you can enjoy efficient measurement experience out of the box.

Specifications

Probe Standard Accessories

WARNING: To avoid the risk of electric shock or fire, do not use the MDP5700A/ MDP5700B/ MDP5700C probes or hook tip accessories on CAT III or CAT IV circuits. To avoid the risk of electric shock or fire, do not use the MDP5700A/ MDP5700B/ MDP5700C test probes or hook tip accessories on circuits above 7000V when using the MDP5070A/ MDP5070B/ MDP5070C probes.
Use only accessories rated for the application. Substituting other accessories may create a risk of electric shock or burns. Keep the probe body and accessories clean to reduce the risk of electric shock from conductive surfaces.

Packing List

FAQ

Q1: What is the maximum safe working voltage of the MDP5300A?
A1: The voltage to ground is 600V CATII/1000V CATI, the differential voltage is ±3000Vpk (1000X attenuation), it complies with CE/UL safety certification, and has built-in overload protection.

Q2: How to choose the attenuation ratio?
A2: Select according to the voltage being tested:
100X attenuation: Applicable to signals ≤±300Vpk (such as low-voltage inverter drive circuit)
1000X attenuation: Applicable to signals ≤±3000Vpk (such as high-voltage bus, IGBT collector voltage)

Q3: What is the impact of input capacitance on the test?
A3: 2pF differential input capacitance significantly reduces the load effect:
The capacitive reactance of high-frequency signals (such as 50MHz) is only about 1.6kΩ, which is much lower than that of traditional probes (5pF capacitive reactance is about 800Ω)
Measured comparison: Similar probes increase the delay of the rising edge of the IGBT drive waveform by 1.2ns, while the delay of MDP5300A is only 0.3ns

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