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TB-3066

 Page 4 of 8

© 2017 DESCO INDUSTRIES, INC.

Employee Owned

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

INSTALLING THE COMBO TESTER X3 AND STAND

1.  Insert the pedestal to the baseplate with the 

mounting bracket sloping toward the operator. Be 

sure to align the screw holes located at the base of 

the pedestal. 

2.  Use the two 1/4-20 socket cap screws to secure the 

pedestal to the baseplate. 

Figure 4. Securing the pedestal to the baseplate using 

the 2 socket cap screws

Figure 5. Routing the ground and foot plate cords 

through the pedestal

3.  Route the ground and foot plate cords through the 

pedestal. Feed the cords from the bottom and have 

them exit through the top. 

4.  Align the backplate’s two holes located above and 

below the tester to the two holes on the pedestal’s 

mounting bracket. Secure the backplate using the 

two included 10-32 pan head screws and nuts. 

5.  Insert one end of the foot plate cord into the foot 

plate jack located at the bottom of the tester. 

Connect the other end of the foot plate cord into the 

jack located on the dual foot plate. 

6.  Insert the ground cord’s banana plug into the 

ground jack located at the bottom of the tester. 

Connect ground cord’s ring terminal to equipment 

ground. This connection will remove any static 

charge from the user before the test. 

NOTE: Failure 

to correctly ground the Combo Tester X3 may result 

in damage not covered under warranty.

 

7.  Fit the dual foot plate into a position so that it is 

flush with the front and top of the baseplate. Secure 

the dual foot plate to the baseplate using the four 

included #4 pan head screws. 

Figure 6. Securing the Combo Tester X3 to the pedestal

Summary of Contents for Combo Tester X3

Page 1: ...r 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 Per ANSI ESD S20 20 section 7 3 A Compliance Verification Plan shall be established to ensure the Organization s fulfillment of the technical requirements of the ESD Control Program Plan Process monitoring measurements shall be con...

Page 2: ...Switch Use this DIP switch to configure the resistance limits of the tester See the section titled Tester Configuration for more information B Footwear Status LEDs Displays the footwear test results C 12VDC Power Jack Connect the included power adapter here to power the Combo Tester X3 D Steady State Test Switch Place and hold your finger here to begin the test E Single Wire Wrist Strap Jack Inser...

Page 3: ...it Resistance OFF OFF wrist strap test disabled ON ON 10 Megohms 1 x 107 ON OFF 35 Megohms 3 5 x 107 default setting 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 LOW limit for the wrist strap test is set to 750 kilohms and cannot be modified by the user 5 Insert the ground cord s banana plug in...

Page 4: ...4 Align the backplate s two holes located above and below the tester to the two holes on the pedestal s mounting bracket Secure the backplate using the two included 10 32 pan head screws and nuts 5 Insert one end of the foot plate cord into the foot plate jack located at the bottom of the tester Connect the other end of the foot plate cord into the jack located on the dual foot plate 6 Insert the ...

Page 5: ...Access Control System and Combo Tester X3 Operation 1 A circling light around the test switch indicates when the Combo Tester X3 is on standby and ready to perform a test Access Control System NORMALLY OPEN RELAY DATA INPUT Proximity Reader Combo Tester X3 ACC INPUT Turnstile DATA LINES Figure 8 Wiring the Combo Tester X3 to an Access Control System normally open relay contacts shown above 2 While...

Page 6: ...st strap and footwear to ensure that they are being worn correctly and or need to be replaced NOTE Failures may be caused by dry skin or minimal sweat layer For wrist straps try using an approved dissipative hand lotion such as Menda Reztore ESD Hand Lotion to your wrist prior to use Footwear test results can be improved by taking a short walk to build a sweat layer for better conductivity The Com...

Page 7: ...ar test limit 10 for all other test limits A periodic check using a precision resistance box can be used to verify proper operation The EMIT 50424 Limit Comparator is available for the convenient calibration of the Combo Tester X3 The Limit Comparator allows the customer to perform NIST traceable calibration on the Combo Tester X3 The Limit Comparator can be used on the shop floor within a few min...

Page 8: ...um relative humidity of 80 up to 85 F 30 C decreasing linearly to 50 85 F 30 C Maximum relative humidity of 50 at 1 gigohm setting Dimensions with mounting plate 11 35 x 7 75 x 1 47 288 mm x 197 mm x 37 mm Weight with mounting plate 1 2 lbs 0 5 kg Test Accuracy 20 for 1 gigohm footwear test limit 10 for all other test limits Test Switch Voltage 5 VDC open circuit Wrist Strap and Footwear Test Volt...

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