Summary of Contents for Monroe 292
- Page 1 Instruction Manual Surface Resistance Test Kit Model 292 Printed in USA Copyright Monroe Electronics, Inc. Specifications subject to change without notice. P/N 0340180 10/04/02...
- Page 2 Electronics unless in writing signed by a duly authorized representative of Monroe Electronics. In the event of a breach of the foregoing warranty, the liability of Monroe Electronics shall be limited to repairing or replacing the non-conforming goods and/or defective work, and in accordance with the foregoing, Monroe Electronics shall not be liable for any other damages, either direct or consequential.
- Page 4 Specifications Ω @ 10V Range: 1.0 x 10 to 1 x 10 Ω @ 100V 1.0 x 10 to 1 x 10 Ω @ 10V ±10% of reading at 70-80 Accuracy: 1.0 x 10 to 1 x 10 F; 15–60% RH Ω...
- Page 5 Description Monroe Model 292 Digital Surface Resistance Test Kit is a portable, versatile, instrument designed to accurately measure resistance between two points (RTT), surface to ground (RTG), and surface resistivity in accordance with EOS/ESD Association standard S-4.1. In addition, the meter measures ambient temperature and relative humidity.
- Page 6 Stat Wipes, pre-saturated cleaning wipes. Make sure the surface is dry before testing. The 292 Surface Resistance Test Kit requires little maintenance with no user serviceable parts. If your meter requires service beyond cleaning the electrodes or changing the batteries, please contact the factory.
- Page 7 Literature References Monroe Electronics recommends that anyone using Model 292 read the following standards from the ESD Association: EOS/ESD-ADV1.0 – Glossary of Terms EOS/ESD-S4.1 – Work surfaces EOS/ESD-S6.1 – Grounding ESD-S7.1 – Floor Materials EOS/ESD-S11.11 – Surface Resistivity These documents are available directly from the ESD Association...
- Page 8 RTT - Measuring Resistance Between Two Points Point to point surface resistance measurements are made using the meter with both of the 5-pound weight electrodes. This test determines the resistance two points independent of a ground point. To perform surface resistance tests you must first determine what test procedure to use. The test procedure helps you determine the proper preparation of the material to be tested and the spacing of the weights.
- Page 9 RTG – Resistance to Ground Measurements Resistance to ground measurements indicate the surface resistance between selected locations on a work surface and a groundable point or points. Ground points are usually in the form of snaps installed on the material so that the material can be grounded via ground cords. The charge dissipative rate of all ESD protective materials is related directly to electrical resistance to ground.
- Page 10 To make surface resistivity measurements the user must also have the optional resistivity adapter sled, Model 292/41. The meter attaches easily to an optional resistivity adaptor sled. Parallel silicone rubber electrodes provide for direct measurement of surface resistivity. No conversion is required with the Surface Resistivity Test Kit.
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