Desco™ ESD Resistance Test Meter Kit

$2,164.48

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• Comes in case: includes electrodes and cords

• Designed to perform top to top (point to point) (RTT) and surface to ground (RTG) tests required by ANSI / ESD S4.1 for anti static mats.

• Designed to perform panel-to-panel conductivity tests for ESD Garments required by ANSI / ESD S20.20

• Optional Quick Check Button enables user to toggle between full measurement of ambient temperature and relative humidity, or measure just surface resistance.

Desco™ ESD Resistance Test Meter Kit

  • Price: $2,164.48
    Desco™ ESD Resistance Test Meter Kit.
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Product Name: ESD Resistance Meter Kit Product Brand: Desco Product Description: Multimeter for measuring ESD Surface Resistivity: Measures resistance to ground (RTG) and resistance point to point (top to top) (RTT) to satisfy S4.1 Product Image: https://www.elimstat.com/wp-content/uploads/2016/12/Desco™-ESD-Resistance-Meter-Case.jpg Product Price: 2164.48 Price Currency: USD Name Of The Seller: Elimstat.com

Mat Testing- Worksurfaces (S4.1) Test Methods

Test Procedure in accordance with ANSI/ESD S4.1 section 6.4 Periodic Worksurface Testing:

• Do not clean surface. Remove from the surface only those items that might interfere with the test.

• ESD Sensitive devices shall also be removed.

Resistance Top-to-Top (RTT) Method

Use two 5 pound electrodes and place them on the most commonly used area of the surface. Ensure that the electrodes are about 10″ apart from each other and 2″ away from any edge and 3″ away from any grounded point.

Resistance to Ground (RTG) Method

Clip the black test lead to a grounded point.

• Use one 5 pound electrode on the other test lead and place the electrode on the furthest convenient point on the surface.

Test Continued

• Push and hold the Test Button until the surface resistance mantissa is displayed.

• Perform additional measurements by placing the electrode on the most commonly used or worn area. Set the meter to QUICK test mode to skip the 15 second period if preferred.

ESD Resistance Measurement RTT Top to Top Point to Point with Desco™ ESD Resistivity Meter

Resistance to Ground Measurement of ESD Mat with Desco™ ESD Resistivity Meter

Product Name: ESD Resistance Meter Kit Product Brand: Desco Product Description: Multimeter for measuring ESD Surface Resistivity: Measures resistance to ground (RTG) and resistance point to point (top to top) (RTT) to satisfy S4.1 Product Image: https://www.elimstat.com/wp-content/uploads/2016/12/Desco™-ESD-Resistance-Meter-Case.jpg Product Price: 2164.48 Price Currency: USD Name Of The Seller: Elimstat.com

Garments- Panel-to-Panel Conductivity (STM 2.1) Test Method

For a review of ANSI / ESD S20.20-2014 definitions of garments see the slides at right. Versions of ANSI/ESD STM2.1 can also be found in ESD TR53.

The following is a summation of the test in STM2.1 section 6.3.1 for defining a “Static Control Garment”:

• Place the garment on an insulative support surface with the inside surfaces laying on the specimen support surface (with the front panels opened and laid out as flat as possible; larger garments such as coveralls may not allow this completely).

• Position insulative sleeve inserts into each sleeve (including legs of a coverall) of the garment under test to isolate one side of the fabric from the other.

• Attach cables to the two 5 pound electrodes and place one electrode on one of the garment sleeves directly above the insulative sleeve insert. Place the second electrode on another part of the same sleeve. Apply 10 volts and observe the reading after 5 seconds. If the reading is less than 1.0 x 106 ohms, record the value. If the reading is greater than or equal to 1.0 x 106 ohms, apply 100 volts for a minimum of 15 seconds (or until reading stabilizes) and record the results.

• Repeat the test for the remaining garment panels as well as the second garment sleeve by moving the second electrode. When measuring the garment sleeves ensure that the electrodes are directly above the insulative sleeve inserts.

Resistance Point to Point Measurement of ESD Smock with Desco™ ESD Resistivity Meter

Resistance Point to Ground Measurement of ESD Smock with Desco™ ESD Resistivity Meter

Resistance Point to Groundable ESD Smock System with Desco™ ESD Resistivity Meter

Product Name: ESD Resistance Meter Kit Product Brand: Desco Product Description: Multimeter for measuring ESD Surface Resistivity: Measures resistance to ground (RTG) and resistance point to point (top to top) (RTT) to satisfy S4.1 Product Image: https://www.elimstat.com/wp-content/uploads/2016/12/Desco™-ESD-Resistance-Meter-Case.jpg Product Price: 2164.48 Price Currency: USD Name Of The Seller: Elimstat.com

Resistance vs. Resistivity

“The degree of protection afforded by a worksurface is strongly related to the time needed to discharge an object…. [R]esistance seems the best single predictor of performance of ESD-protective worksurfaces.” – ANSI / ESD S4.1-2006

Theoretically, surface resistivity is ten times greater than resistance. For example, a material that measures 108 ohms in surface resistance should measure 109 ohms per square in surface resistivity. For testing purposes, per ESD TR20.20 , the correct unit of measurement is surface resistance (just ohms).

1 meg ohm is 1 x 106 ohms. This is the typical cutoff between what is considered “conductive” and “static dissipative”.

For both garments and mats we are looking for measurements that relate to 1 x 106 ohms.

ANSI / ESD S20.20-2014’s recommendations for garment testing and ANSI / ESD S4.1’s recommendations for mat testing differ in what they recommend is acceptable at the upper limit of the static dissipative range.

ESD Resistance Chart for Smocks, Lab Coats

ESD Resistance Chart for 5300 Series Anti Static Mats

Product Name: ESD Resistance Meter Kit Product Brand: Desco Product Description: Multimeter for measuring ESD Surface Resistivity: Measures resistance to ground (RTG) and resistance point to point (top to top) (RTT) to satisfy S4.1 Product Image: https://www.elimstat.com/wp-content/uploads/2016/12/Desco™-ESD-Resistance-Meter-Case.jpg Product Price: 2164.48 Price Currency: USD Name Of The Seller: Elimstat.com

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