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3M™ Constant Monitors WSM0NIT0R1, 
WSMONITOR 2, WSM0NIT0R3 


User’s Guide 




WSMONITOR2 mo - i-wi 

■ INCH ORfJMTOA 


WSM0NIT0R2 



WSM0NIT0R1 



3M 




Table of Contents 


Section Page 

SAFETY INFORMATION.3 

Introduction.5 

Installation.6 

Operation.9 

Calibration/Verification.9 

Specifications.10 

Warranty.11 


2 









SAFETY INFORMATION 

Please read, understand, and follow all safety information contained in these 
instructions prior to the use of this 3M™ Constant Monitors WSMON1TOR1, 
WSMONITOR 2, WSMONITOR3. Retain these instructions for future 
reference. 


Explanation of Symbols 

A 

/ • \ 

CAUTION 


Operator(s) Wrist Strap Assembly Ground 


Work Surface Ground 

_L 

Earth; ground 

©-$-© 

Power input connector polarity (center negative) 



Explanation of Signal Word Consequences 

A 

WARNING 

Indicates a potentially hazardous situation which, if not avoided, could 



result in death or serious injury and/or property damage. 

A 

/ • \ 

CAUTION 

Indicates a potentially hazardous situation which, if not avoided, may 
result in minor or moderate injury and/or property damage. 


NOTICE 

Indicates a situation which, if not avoided, could result in property damage. 


3 









A WARNING _ 

To reduce the risks associated with fire and explosion: 

• Do not use in an explosive environment - monitor is not designed to be intrinsically safe. 

To reduce the risks associated with medical device malfunction: 

• Persons with heart pacemaker devices should never use this monitor. 

To reduce the risks associated with hazardous voltage and fire: 

• Use only the power supply provided by 3M and specified for the country of use. 

• Do not position the monitor accessories or other equipment where unplugging the power supply is difficult. 

• Always locate the power source (socket or outlet) near the equipment. The power supply plug serves as 
the disconnect device. 

• Do not modify or attempt to service the power supply or monitor; there are no user serviceable parts. 

• Do not use the power supply if damaged; 

• Replace power supply if damaged using only 3M supplied parts. 

• Do not use the 3M™ Constant Monitors WSMONITOR1, WSMONITOR 2, WSMONITOR3 or their power 
supplies outdoors in wet/humid environments. 

• Do not use the Constant Monitors WSMONITOR1, WSMONITOR 2, WSMONITOR3 or their power supplies 
outside of the operating conditions listed in this user's guide. 

• Always follow instructions for installation as stated in this user’s guide. 


A CAUTION 

To reduce the risks associated with environmental contamination: 

• Dispose of this monitor in accordance with all applicable local and government regulations. 


NOTICE 

To reduce the risk of ESD damage to components or assemblies being handled: 

• Monitor must be checked periodically to verify each test mode is functioning correctly. 

• Ensure proper operation of monitor by performing operational verification test as required. 

• Ensure tester is properly grounded. 


4 










Introduction 


• Monitors can check up to two wrist strap systems and one work surface, 
depending on the model. 

• Compatible with most standard wrist straps. 

• Easy to use: Simply plug in the wrist strap. 

• Easy to install: Attach the monitor boxes to the bench with included hardware, 
connect the mat and plug it in. 

Damage to electronic devices is caused by static electricity from people. 
Connecting people to ground directs static electricity away from devices. 
Constant Monitors are designed to constantly test the connection of the person, 
the wrist band and the coiled cord to help ensure that people remain grounded. 

Constant Monitor WSMONITOR1 uses a solid state impedance design to 
constantly test the connection integrity of the entire ground system including the 
person, the wrist band and the coiled cord. Constant Monitors WSMONITOR2 
and WSMONITOR3 also provide work surface monitoring. This system is fully 
automatic and activates when a wrist strap is plugged into the unit. A green light 
indicates connection and a red light indicates there is no connection. The unit is 
powered and grounded by the AC adapter. 


5 


3M™ Constant Monitors WSMONITOR1, WSMONITOR 2, WSMONITOR3 
Installation 

Constant Monitor WSMONITOR1 

1. Check that you have received all parts: monitor, power/ground adapter and 
two mounting screws. 

2. Using the mounting screws, mount the monitor under the work bench. 
(Other suggested mounting locations include the bench top and under bench 
shelving.) 

3. Plug the power/ground adapter into the back of the monitor and into a 
3-prong 120VAC outlet. 


WORK 



BENCH 


WRIST STRAP 


3M™ Constant Monitor WSM0NIT0R1 


6 
















3M™ Constant Monitor WSM0NIT0R2 

1. Check that you have received all parts: monitor, power/ground adapter and 
two mounting screws. 

2. Using the mounting screws, mount the monitor under the work bench. 
(Other suggested mounting locations include the bench top and under bench 
shelving.) 

3. Plug the power/ground adapter into the back of the monitor and into a 
3-prong 120VAC outlet. 



3M™ Constant Monitor WSM0NIT0R2 


7 














3M™ Constant Monitor WSM0NIT0R3 

1. Check that you have received all parts: monitor, remotes, four screws, power/ 
ground adapter, mat cord and industrial hook and loop. 

2. Using the hook and loop, mount the monitor under the workbench shelf. 

3. Mount the remotes to the work bench with screws. 

4. Connect the monitor to the STACKJACK. 

5. Remove a plastic cap from STACKJACK and snap it to the mat. 

6. Connect the other mat snap to ground. (Cable not included.) 

7. Plug the power/ground adapter into the back of the monitor and into a power 
outlet. 

Note: The mat connection monitoring function can be connected to a workbench with a hard work 
surface. 


REMOVE CAP 


SHELF 

HOOK & LOOP 

STACKJACK 


WORK BENCH 


WRIST STRAP /' 



AC ADAPTER 


3M™ Constant Monitor WSM0NIT0R3 


8 

























Operation 

• Place a wrist band on your wrist and plug the coiled cord banana plug into 
the monitor’s banana jack. The monitor will display a green light when a 
functional wrist strap with good skin contact is connected to the unit. 

• The unit will sound an alarm and display a red light if the wrist strap becomes 
defective or if the person is not in contact with the band. 

• Unplug the wrist strap coiled cord from the unit to stop the alarm. 

• Monitor will alarm if the continuity from the monitor to the mat to ground is 
lost. 


Calibration / Verification 

Adjustments or calibration are not required for the 3M™ Constant Monitors 
WSMONITOR1, WSMONITOR2, WSMONITOR3. The TMTOOL unit 
simulates a correctly functional person and wrist strap (Accept) and an open 
circuit (Reject). The TMTOOL also simulates high resistance for verification of 
your work surface. 


9 


Specifications 


Specifications Typical Value 


Monitor type 

Impedance - Single Wire 

Circuitry 

Solid-state, surface mount 

Alarm 

Audible and visual (LED) 

Trip Level 

6.5-7.0 megohms 

Power 

120VAC, 230VAC 

Adjustments 

None Required 

Calibration 

None Required. Test Module available. 


Item Code Size Weight Monitors 


WSM0NIT0R1 

.90" H x 1.8" W x 1.3" D 1.2 oz. One wrist strap/person 

WSM0NIT0R2 

1" H x 2.4" W x 2.3" D 1.6 oz. One wrist strap/person and work 

surface 

WSM0NIT0R3 

1" H x 4" W x 2.4" D 2.6 oz. Two wrist straps/persons and work 

surface 

TMTOOL 

Test Module for all WSMONITORS 


Note: Adjustments or calibration is not required for the Continuous Monitors WSM0NIT0R1, WSM0NIT0R2, WSM0NIT0R3. The TMTOOL unit 
simulates a correctly functioning person and wrist strap (Accept) and an open circuit (Reject). The TMTOOL also simulates high resistance for 
verification of your work surface. 


10 





3M is a trademark of 3M Company. 

Important Notice 

All statements, technical information, and recommendations related to 3M’s products 
are based on information believed to be reliable, but the accuracy or completeness is 
not guaranteed. Before using this product, you must evaluate it and determine if it is 
suitable for your intended application. You assume all risks and liability associated with 
such use. Any statements related to the product which are not contained in 3M’s current 
publications, or any contrary statements contained on your purchase order shall have no 
force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M. 

Warranty; Limited Remedy; Limited Liability. 

This product will be free from defects in material and manufacture for one year from 
the time of purchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT 
NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABIT TTY 
OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective wi t hin 
the warranty period stated above, your exclusive remedy shall be, at 3M’s option, to 
replace or repair the 3M product or refund the purchase price of the 3M product. Except 
where prohibited by law, 3M will not be liable for any indirect, special, incidental or 
consequential loss or damage arising from this 3M product, regardless of the legal 
theory asserted. 


Electronics Materials Solutions Division 
Static Control Products 

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