TECHNICAL BULLETIN TB-3066 Combo Tester X3 Installation, Operation and Maintenance Made in the United States of America The Combo Tester X3 and its accessories are available as the following item numbers: Item Description 19278 Combo Tester X3 19279 Combo Tester X3 with Stand 19255 Stand, for Combo Tester X3 50755 ESD Glove Test Fixture 50424 Limit Comparator 19262 Power Adapter, 100-240VAC Input, 12VDC 0.5A Output, All Plugs 50406 Replacement Dual Foot Plate 62103 Replacement Foot Plate Cord 19274 Replacement Ground Cord Per ANSI/ESD S20.20 section 7.3 A Compliance Verification Plan shall be established to ensure the Organizations fulfillment of the technical requirements of the ESD Control Program Plan. Process monitoring Figure 1. Desco Combo Tester X3 and Dual Foot Plate (measurements) shall be conducted in accordance with a Compliance Verification Plan that identifies the Description technical requirements to be verified, the measurement The Desco Combo Tester X3 verifies the functionality limits and the frequency at which those verifications of an operators wrist strap and footwear. It determines shall occur. The Compliance Verification Plan shall if an operators wrist strap and footwear will function document the test methods and equipment used for correctly. The operators wrist strap and footwear will process monitoring and measurements. The test test simultaneously with no need for separate tests. equipment selected shall be capable of making the Green lights indicate that the wrist strap and footwear measurements defined in the Compliance Verification are passing. Red lights and an audible alarm indicate Plan. when the wrist strap and/or footwear (left or right) are Per ANSI/ESD S1.1 Annex A.3 Frequency of System failing. If failure occurs, the tester will also display if the Testing The wrist strap system should be tested daily to grounding devices resistance is too low or too high. ensure proper electrical resistance. The Combo Tester X3 features a reliable and durable Per ESD Handbook ESD TR20.20 section 5.3.2.4.2 solid-state switch which replaces the traditional Additional User Wrist Strap Testing Proper testing of mechanical test switch with a spring and moving parts. the wrist strap includes the resistance of the groundable The outer and inner portions of the solid-state switch are point on the end of the cord, the cord itself, the resistor, designed to be bridged by a persons skin. The Combo the cord-to-cuff snap connector, the resistance of the Tester X3 is compatible with both single-wire and interface of the cuff, the cuff/wrist interface, and the dual-wire wrist straps. resistance of the person between the wrist and the hand The factory test limits are set to: that contacts the test electrode. Wrist Straps: 750 kilohms and 10 megohms Per ESD Handbook ESD TR20.20 section 5.3.2.2.2 Footwear: 750 kilohms and 35 megohms Wrist Strap Ground Cord At first glance, the ground cord appears to be a relatively simple assembly. (See page 3 for alternate test limit settings) However, the design requirements are considerable, given the wide range of user applications and the Each Combo Tester X3 is calibrated with accepted durability requirements of constant tugging, flexing, procedures and standards traceable to the National and dragging over the edge of workstation tops and Institute of Standards and Technology (NIST) and equipment chassis. includes a NIST certificate. DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 (909) 627-8178 DESCO EAST - One Colgate Way, Canton, MA 02021-1407 (781) 821-8370 Website: Desco.com 2019 DESCO INDUSTRIES INC TB-3066 Page 1 of 8 February 2019 Employee OwnedCompliance verification should be performed prior to A. Test Limit DIP Switch: Use this DIP switch to each use (daily, shift change, etc.). The accumulation configure the resistance limits of the tester. See the of insulative materials may increase the foot grounder section titled Tester Configuration for more information. system resistance. If foot grounders are worn outside B. Footwear Status LEDs: Displays the footwear test the ESD protected area testing for functionality results. before reentry to the ESD protected area should be considered. (ESD SP9.2 APPENDIX B - Foot Grounder C. 12VDC Power Jack: Connect the included power Usage Guidance) adapter here to power the Combo Tester X3. Compliance verification records shall be established D. Steady-State Test Switch: Place and hold your and maintained to provide evidence of conformity to the finger here to begin the test. technical requirements. (ANSI/ESD S20.20 section 7.3) E. Single-Wire Wrist Strap Jack: Insert your single-wire wrist cord here to test your wrist strap. Packaging F. Dual-Wire Wrist Strap Jack: Insert your dual-wire 19278 COMBO TESTER X3 wrist cord here to test your wrist strap. 1 Combo Tester X3 1 Dual Foot Plate G. Wrist Strap Status LEDs: Displays the wrist strap 1 Power Adapter, 12VDC, with interchangeable plugs test results. (North America, UK/Asia, Europe) H. Relay Terminal: Can be integrated with electronic 1 Foot Plate Cord, 6 door locks, lights, buzzers, etc. It is capable of switching 1 Ground Cord up to 1A 30VDC or .5A 125VAC. 1 Certificate of Calibration Terminals 1 & 2 = Normally Closed 19255 STAND, FOR COMBO TESTER X3 Terminals 2 & 3 = Normally Open 1 Pedestal 1 Baseplate NOTE: All tests must pass in order for the relay to 2 Socket Head Screws, 1/4-20 x 3/4 activate. The relay timer lasts approximately 2.5 2 Pan Head Screws, 10-32 x 5/8 seconds and cannot be modified. The timer starts once 2 Nuts, 10-32 the finger is removed from the test switch. 4 Pan Head Screws, 4 x 3/4 I. Ground Jack: Insert the banana plug end of the included ground cord to this jack. Connect the ring Features and Components terminal end of the cord to equipment ground. This connection will remove any static charge from the user before the test. NOTE: Failure to correctly ground the A B Combo Tester X3 may result in damage not covered under warranty. J. Foot Plate Jack: Connect one end of the foot plate cable cord and the other end to the dual foot plate. K. Buzzer Volume Adjustment: Turn the trimpot clockwise to increase the buzzer volume and counter-clockwise to decrease the volume. C D E F G 1 2 3 H I J K Figure 2. Dual Combination Tester features and components DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 (909) 627-8178 DESCO EAST - One Colgate Way, Canton, MA 02021-1407 (781) 821-8370 Website: Desco.com 2019 DESCO INDUSTRIES INC TB-3066 Page 2 of 8 Employee Owned