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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

TB-3034

 Page 6 of 6

© 2013 DESCO INDUSTRIES, INC.

Employee Owned

Limited Warranty

Desco expressly warrants that for a period of one (1) year from the date 

of purchase Desco Combo Tester X3’s will be free of defects in material 

(parts) and workmanship (labor).  Within the warranty period, a credit 

for purchase of replacement Desco Combo Tester X3’s, or, at Desco’s 

option, the units will be repaired or replaced free of charge.  If product 

credit is issued, the amount will be calculated by multiplying the unused 

portion of the expected one year life times the original unit purchase price. 

Call our Customer Service Department at 909-627-8178 (Chino, CA) or 

781-821-8370 (Canton, MA) for a Return Material Authorization (RMA) 

and proper shipping instructions and address. Please include a copy of 

your original packing slip, invoice, or other proof of date of purchase. 

Any unit under warranty should be shipped prepaid to the Desco factory. 

Warranty replacements will take approximately two weeks.
If your unit is out of warranty, call our Customer Service Department at 

909-627-8178 (Chino, CA) or 781-821-8370 (Canton, MA) for a Return 

Material Authorization (RMA) and proper shipping instructions and 

address. Desco will quote repair charges necessary to bring your unit up 

to factory standards.

Warranty Exclusions

THE FOREGOING EXPRESS WARRANTY IS MADE IN LIEU OF 

ALL OTHER PRODUCT WARRANTIES, EXPRESSED AND IMPLIED, 

INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR 

PURPOSE WHICH ARE SPECIFICALLY DISCLAIMED. The express 

warranty will not apply to defects or damage due to accidents, neglect, 

misuse, alterations, operator error, or failure to properly maintain, clean or 

repair products.

Limit of Liability

In no event will Desco or any seller be responsible or liable for any injury, 

loss or damage, direct or consequential, arising out of the use of or 

the inability to use the product. Before using, users shall determine the 

suitability of the product for their intended use, and users assume all risk 

and liability whatsoever in connection therewith.

Specifications

Operating Voltage:

12 VDC

Test Switch Voltage:

5 VDC @ open circuit

Wrist Strap and Footwear Test Voltage:

30 VDC @ open circuit

Test Current:

Limited by resistors and varies on the test range setting 

(100 kilohms - 1 gigohm)

Relay Contact Rating:

1 A @ 30 VDC max

Temperature Range:

70°F - 104°F (21°C - 40°C) for 1 gigohm footwear test limit

41°F - 104°F (5°C - 40°C) for all other test limits

Operating Conditions:

Indoor use only at altitudes less than 6500 ft. (2 km)

Maximum relative humidity of 80% up to 88°F (31°C) 

decreasing linearly to 50% @ 104°F (40°C)

Maximum relative humidity of 50% at 1 Gigohm setting

Pollution Degree:

2 per IEC 644

Figure 10.  EMIT 

50424

 Limit Comparator

Summary of Contents for 19276

Page 1: ...ods and equipment used for process monitoring and measurements The test equipment selected shall be capable of making the measurements defined in the Compliance Verification Plan Per ANSI ESD S1 1 section 6 1 3 Frequency of Functional Testing The wrist strap system should be tested daily to ensure proper electrical value Per ESD Handbook ESD TR20 20 section 5 3 2 4 2 Additional User Wrist Strap Te...

Page 2: ...r for the relay to activate I Buzzer Volume Adjustment Turn the trimpot clockwise to increase the buzzer volume and counter clockwise to decrease the volume J Ground Jack Insert the banana plug end of the included ground cord to this jack Connect the ring terminal end of the cord to equipment ground This connection will remove any static charge from the user before the test NOTE Failure to correct...

Page 3: ...4 Use the guide located on the bottom of the foot plate to route the cord out of the side This will prevent the foot plate cord from being accidentally tripped and unplugged 5 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 tes...

Page 4: ... 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 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 7 Securing the dual foot plate to the baseplate 8 Power the Combo Tester X3 using the incl...

Page 5: ...mproved by taking a short walk to build a sweat layer for better conductivity The Combo Tester X3 may also be used to test smocks or garments that feature a grounding mechanism for operators using a coil cord connection Figure 9 Bridging the test switch s contacts to initiate the test Calibration The Combo Tester X3 is calibrated to standards traceable to NIST Frequency of recalibratrion should be...

Page 6: ...ddress Desco will quote repair charges necessary to bring your unit up to factory standards Warranty Exclusions THE FOREGOING EXPRESS WARRANTY IS MADE IN LIEU OF ALL OTHER PRODUCT WARRANTIES EXPRESSED AND IMPLIED INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH ARE SPECIFICALLY DISCLAIMED The express warranty will not apply to defects or damage due to accidents neglect misuse a...

Page 7: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Desco 19276 19277 19255 ...

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