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01 INTRODUCTION
The PRS-801B Resistance System Set is a wide range meter capable of measuring resistance from 0.01
ohm to 2.00E+14 ohms (200 Teraohm). The PRS-801B uses a constant test voltage system that is
extremely stable and consistent with lab level, bench top instruments.
The PRS-801B is one of the fastest resistance meter on the market. Its specified electrification period
(EP) from 0 to 1.0×10
12
ohms is 15 seconds in accordance with ANSI/ESD STM 11.11 Surface
Resistance of Planar Materials. Furthermore, its EP is automatically adjusted to insure a stable
measurement is displayed. Laboratory tests confirm the PRS-801B can measure from 0 to 1.0×10
12
ohms in 2.5 seconds.
Up to 999 measurements can be stored and recalled from the meter's internal memory. Included in
the memory is the resistance value, the test voltage, the electrification period and the minimum,
maximum and average of the values stored. Additionally, the system includes the Prostat Connect 2.0
Utility Software allowing you to download the internal memory from the PRS-801B into an Excel®
Spreadsheet on your computer.
The PRS-812B’s accurate wide range of 0.10 ohms to 1.00E+12 ohms, offers exceptional flexibility in
measurement applications. The PRS-812B has Automatic, Manual and Auto-Manual operational
modes, plus exponential display or standard numeric display in Ω, KΩ, MΩ, GΩ and TΩ.
Measurements are summarized in decades using multiple LED’s from <10
2
to >10
12
. Its internal
memory allows to store up to 120 measurements, and will display the minimum, maximum and
average. The PRS-812B meets the requirements of ANSI/ESD S4.1 and ANSI/ESD S7.1.
Both the PRS-801B and PRS-812B use a Li-ion battery pack, rechargeable via USB. Battery life exceed
480 hours when measuring in Auto-Manual mode and allows you to typically make approximately
8,000 measurements.
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