Desco™ Combo Tester X3 for Wrist Straps and Shoe Grounders

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Desco™ Combo Tester X3 for Wrist Straps and Shoe Grounders

The Desco™ Combo Tester X3 satisfies ANSI / ESD S20.20 requirements for a Compliance Verification Plan for Wrist Strap, Ground Cord, and Foot Grounder testing. Simultaneously test wrist straps and shoe grounders or turn off one or the other high and low tests with dual in-line package (DIP) switches.

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Specs

QuantityPart
1Combo Tester X3
1Dual Foot Plate
1Power Adapter, 12VDC, with interchangeable plugs (North America, UK/Asia, Europe)
1Foot Plate Cord, 6 feet
1Ground Cord
1Test Stand
2Socket Head Screws, 1/4-20 x 3/4 inch
1Flat Head Screw, 8-32 x 5/8 inch
2Pan Head Screws, 10-32 x 5/8 inch
2Nuts, 10-32
4Pan Head Screws, 10-32 x 5/8 inch
1Certificate of Calibration

The resistance limits for footwear and wrist strap tests are controlled by the DIP switches located on the left side of the Desco™ Combo Tester X3. Use the following tables for the DIP switch settings and their corresponding test values.

Default settings are in Bold.

Wrist Strap Resistance

DIP switches 5 and 6 control the HIGH test limit.

The LOW limit for the wrist strap is set to 750 Kilohms (7.5 x 105) and cannot be modified by the user.

Switch 5Switch 6HIGH Limit Resistance
OFFOFFWrist Strap Test Disabled
ONON10 Megohms (1 x 107)
ONOFF35 Megohms (3.5 x 107)

DIP switch 5 must be ON (default setting) for the wrist strap test to be active. The wrist strap test will be disabled if DIP switch 5 is set to OFF.

The resistance limits for the shoe grounder and wrist strap tests are controlled by the DIP switches located on the left side of the Desco™ Combo Tester X3. Use the following tables for the DIP switch settings and their corresponding test values.

Default settings are in Bold.

Footwear Resistance

DIP switches 1 and 2 control the HIGH test limit.

Switch 1Switch 2HIGH Limit Resistance
ONON10 Megohms (1 x 107)
OFFOFF35 Megohms (3.5 x 107)
ONOFF100 Megohms (1 x 108)
OFFON1 Gigohm (1 x 109)

DIP switches 3 and 4 control the LOW test limit.

Switch 1Switch 2LOW Limit Resistance
OFFOFFfootwear test disabled
ONOFF100 Kilohms (1 x 105)
OFFON750 Kilohms (7.5 x 105)

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