TB-6601
Page 5 of 7
© 2019 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:
Relay Terminal
The Combo Tester X3+ features a relay terminal that
can be integrated with electronic door locks, lights,
buzzers, etc. to control access to an area.
The relay open and close (activation) time may be
modified in the Admin menu of the tester’s software.
Contact Rating
1A @ 30VDC, .5A @
125VAC
Maximum Switching Power 30W
Maximum Switching Voltage 250VAC, 220VDC
Maximum Switching Current 1A
Test Limit Configuration
The following footwear and wrist strap resistance limits
are available in the Combo Tester X3+:
Footwear
Wrist Strap
LOW Limit Resistance
LOW Limit Resistance
100 Kilohms (1.0 x 10
5
)
100 Kilohms (1.0 x 10
5
)
750 Kilohms (7.5 x 10
5
)
750 Kilohms (7.5 x 10
5
)
HIGH Limit Resistance
HIGH Limit Resistance
10 Megohms (1.0 x 10
7
)
10 Megohms (1.0 x 10
7
)
35 Megohms (3.5 x 10
7
)
35 Megohms (3.5 x 10
7
)
100 Megohms (1.0 x 10
8
)
1 Gigohm (1.0 x 10
9
)**
Default Settings
**A dirty foot plate could result in a false pass when the
footwear limit is set to 1 Gigohm. Be sure to keep the
foot plate clean with 99% isopropyl alcohol when using
this setting. This setting is not recommended for relative
humidity greater than 50%.
Normally Closed
Common
Normally Open
Figure 8. Relay terminal contacts located on the back of
the Combo Tester X3+
SETTING THE RESISTANCE LIMITS
1. Access the Administrator Menu by entering an
administrator ID number and PIN on the keypad.
2. Tap the Preferences button.
Figure 9. Locating the Preferences button in the Admin
Menu
Figure 10. Locating the ESD Test button in the
Preferences Menu
3. Tap the ESD Test button.
4. Adjust the Wrist Strap and Footwear Limits by
tapping the < and > buttons. Tap the Save button
when complete.
Figure 11. Locating the Wrist and Foot Limits in the ESD
Test Menu
