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High-voltage probes
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TR9328A oscilloscope high voltage test sticks

TR9328A can measure voltages up to 28KV DC and 20KV AC, 500MΩ input impedance, low load effect, and 200MHz high frequency bandwidth enables you to capture fast, high voltage signals. The high-voltage probe can be connected to an oscilloscope for direct measurement, which is suitable for high-voltage grounding reference voltage measurement. In addition, an optional adapter can measure the voltage value on the digital meter. TR9328A The use of environmentally friendly silicone insulating media can increase the insulation performance, measure high voltages to ensure that internal components do not oxidize, and extend the service life.

Features:
• Maximum voltage measurement: 28KV DC+ACpeak
• Bandwidth up to 75MHz
• Input impedance: 500MΩ
• Fixed attenuation ratio 1000:1, Read Out
• Can be connected to a multimeter with an impedance matcher

Three types of measuring heads

There are 3 types of measuring connectors from the factory, namely:
Pin probes
Hook probe
Chip probes

High-voltage insulated heads

When the measured voltage is more than 25KV, please install the included accessories will get more than 40cm of the insulator surface distance.
*According to CE standard measurement: the measurement of 39KV voltage must have a distance of more than 39cm from the insulating surface.

Compatible with any oscilloscope

The probe adopts a standard BNC plug, which can be used with domestic and imported oscilloscopes.
*The interface includes capacitance matching adjustment function, whenever the test rod is replaced with the oscilloscope, please correct it according to the manual, the closed adjustment point has been adjusted well at the factory, please do not adjust it again for non-professionals.

Longer ground wire

Supplied with a grounding extension cord from the factory
*When the measurement frequency is greater than 40MHz, the long ground wire must be replaced with an alligator clip in order to achieve a minimum ground resistance value and a higher frequency response.

Packed in a storage box

Safe transportation, convenient and neat storage.

ModelTR9328A
Attenuation scale1000:1
Readout function-
Input impedance500MΩ
Input capacitance1.7PF
Maximum Input:DC+AC peak28KV CAT II
Maximum Input:AC RMS20KV CAT II
Pulse voltage＜20KVp-p
Maximum load current56uA
BandwidthDC~75MHz
Rise time5.3nS
Noise ratio>60dB at 1KHz ; >50dB at 1MHz
DC signal error value≤3% All ranges，≤3%(0-35KV)
AC signal error value≤3% at 1KHz
Temperature coefficient≤200 PPM/℃
Match capacitance adjustment range10PF~35PF
Safety inspectionMeets EN61010-031 CAT II specifications
Test line length2M±0.2M
Operating temperature and humidity0~40℃,80% or less
Store temperature and humidity-10~45℃,80% or less
Color: Grip / BodyBlack/light grey
Size80mmx80mmX320mm
Weight460g

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