Two Probe Method For Resistivity Measurement Of Insulators, TPX-200C

Two Probe Method For Resistivity Measurement Of Insulators, TPX-200C

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Two Probe Method for resistivity measurement of insulators at different temperatures. The Two Probe Method is one of the standard and most commonly used method for the measurement of resistivity of very high resistivity samples near insulators. The resistivity measurement of such samples is beyond the range of Four Probe Method.

Two Probe Method for resistivity measurement of insulators at different temperatures

The Two Probe Method is one of the standard and most commonly used method for the measurement of resistivity of very high resistivity samples near insulators. The resistivity measurement of such samples is beyond the range of Four Probe Method.

DESCRIPTION OF THE EXPERIMENTAL SET-UP

Two Probes Arrangement, TPA-01

It has two spring load contact probes. These probes move in a pipe and are insulated by PTFE washers. This probes arrangement is mounted in a suitable stand, which also holds the sample plate and RTD sensor. The stand also serves as the lid of PID Controlled Oven. PTFE coated leads are provided for connecting wit High Voltage Power Supply EHT-11C and Digital Picoammeter DPM-111C. With this set-up assuming max. Voltage = 1500V; current 10x10-12 A (max) and thicknexx of sample 1mm, the resistivity of the sample could be measured upto 1014 ohm.cm..

PID Controlled Oven, PID-200C

Specification same as PID-200 given in TPX-01, with extra attachment for connecting computer interface, SES-CAMM

DPM-111C

Specification as per item 3, on page 5 DPM-111 with extra attachement for connecting computer interface, SES-CAMM.

EHT-11C

Specification as per item 4, on page 5 EHT-11 with extra attachement for connecting computer interface, SES-CAMM.

 Computer Interface, SES-CAMM

An interface (SES-CAMM) provides the option to the user to interface it with the computer for acquiring and strong the data (temperature, current and voltage) and plotting in real time. The data is also stored in an excel file which can be used for further analysis. The software is menu driven and can be operated very easily.

The experiment is complete in all respect