SCS 770758 Installation, Operation And Maintenance Manual Download Page 2

TB-9094

 Page 2 of 7

© 2019 DESCO INDUSTRIES INC

Employee Owned

SCS 

- 926 JR Industrial Drive, Sanford, NC 27332

East: (919) 718-0000 | West: (909) 627-9634 • Website: 

StaticControl.com

Packaging

770758 DUAL COMBINATION TESTER

1  Dual Combination Tester

1  Dual Foot Plate

1  Power Adapter, 12 VDC, with interchangeable plugs 

  (North America, UK/Asia, Europe)

1  Foot Plate Cord, 6'

1  Ground Cord

1  Certificate of Calibration

770759 STAND, FOR DUAL COMBINATION TESTER

1  Pedestal (Two-Pieces)

1  Base Plate

5  Socket Head Screws, 1/4-20 x 1/2"

2  Phillips Head Screws, 10-32 x 5/8"

2  Nuts, 10-32

Features and Components

A. Test Limit DIP 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 Dual Combination Tester.

D. Steady-State Test Switch:

 Place and hold your 

finger here to begin the test.

E.  Single-Wire Wrist Strap Jack: 

Insert your 

single-wire wrist cord here to test your wrist strap.

F.  Dual-Wire Wrist Strap Jack:

 Insert your dual-wire 

wrist cord here to test your wrist strap.

G. Wrist Strap Status LEDs:

 Displays the wrist strap 

test results.

H. Relay Terminal:

 Can be integrated with electronic 

door locks, lights, buzzers, etc. It is capable of switching 

up to 1 A @ 30 VDC or .5 A @ 125 VAC.
Terminals 1 & 2 = Normally Closed

Terminals 2 & 3 = Normally Open
NOTE: All tests must pass in order for the relay to 

activate. The relay timer lasts approximately 2.5 

seconds and cannot be modified. The timer starts once 

the finger is removed from the test switch.

I.  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 correctly ground the 

Dual Combination Tester 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.

Figure 2. Dual Combination Tester features and 

components

B

D

H I

1 2 3

A

C

G

F

E

J K

Summary of Contents for 770758

Page 1: ...Combination Tester 770751 Limit Comparator 770752 Power Adapter 100 240 VAC Input 12 VDC 0 5 A Output All Plugs Per ANSI ESD S20 20 section 7 3 A Compliance Verification Plan shall be established to e...

Page 2: ...rd here to test your wrist strap F Dual Wire Wrist Strap Jack Insert your dual wire wrist cord here to test your wrist strap G Wrist Strap Status LEDs Displays the wrist strap test results H Relay Ter...

Page 3: ...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 i...

Page 4: ...Secure the backplate using the two Phillips head screws and nuts 4 Plug the ground cord into the ground jack located on the bottom of the tester and connect the ring terminal to equipment ground This...

Page 5: ...onding jack located on the face of the Dual Combination Tester Place one foot on each foot plate 3 To begin the test use your finger to bridge the test switch s inner and outer contacts The blue stand...

Page 6: ...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 s...

Page 7: ...bs 2 5 kg Maintenance To maintain optimum performance cleaning should be performed on a regular basis Use a minimum of 80 Isopropyl alcohol to clean the foot plate and test switch Other cleaners are s...

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