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11

Set the RSB as follows and observe the
lamp and audible alarm:

Wrist Strap

29.8 Megohms - Red lamp OFF,
audible alarm OFF.

40.2 Megohms - Red lamp ON
(Flashing), audible alarm ON
(Chirping).

Ground Clip Disconnect

d) Connect the two single conductor

wires to the RSB. Attach the other
ends of the wires with clips to the
metal jaws of the Model 725
Monitor dual conductor ground clip.
Be sure to prevent the clips from
contacting each other. Plug in the
phone jack test cord into the wrist
strap jack on the front of the
monitor and short the opposite ends
together.

Set the RSB as follows and observe the
lamp and audible alarm:

5.0 Megohms - Red lamp OFF,
audible alarm OFF

11.5 Megohms - Red lamp ON
(Continuous), audible alarm ON
(Continuous tone).

Section 9.
Specifications

Model 725 Monitor Size:

2.5 x 2.6 x 1.1 in. (6,4 x 6,6 x 2,8 cm)

Accuracy: ± 15%

Test Voltage: 9 Vdc Open circuit

Test Current: Less than 1 microamp

Power Supply Requirements:

9 Volt alkaline battery 
recommended (Not supplied)

Environmental Operating Conditions:

Temperature: Maximum 110°F, (43°C)

Minimum 50°F, (10°C)

Humidity:

Maximum 75% R.H.

Section 10.
Parts Included

• 1 ea. Model 725 Wrist Strap Monitor

with 6 ft. dual conductor ground
cord/clip and parking clip.

• 1 ea. User Instruction Manual &

Verification Procedure

Summary of Contents for 725

Page 1: ...Power Supply 9 Volt alkaline battery not supplied Test Voltage 9 Vdc maximum Test Current Less than 1 microamp Upper Resistance Limits Wrist Strap 35 Megohms Ground Clip 10 Megohms Accuracy 15 Environ...

Page 2: ...3 Model 725 Wrist Strap Monitor Instructions...

Page 3: ...ork Surface 7 4 Installation Under Work Bench 8 5 Installation Using 723 Belt Clip 9 6 Parking Clip 9 7 Battery Replacement 9 8 Verification Procedure for the Model 725 Monitor 10 9 Specifications 11...

Page 4: ...f Symbols Caution refer to user instruction manual See user instruction manual for explanation of the indicator lamp See user instruction manual for explanation of the audible alarm Safety Information...

Page 5: ...band to the arm of the wearer are considered to be functioning correctly If the measured resistance is over 35 megohms a red lamp flashes along with a chirping audible alarm In addition the Model 725...

Page 6: ...e The Model 725 monitors the battery voltage and alerts the operator when it is necessary to change the battery When the battery voltage falls below 6 volts the red lamp will illuminate with no audibl...

Page 7: ...of the Model 725 Monitor Plugging into the jack activates the monitor and causes it to emit a short beep and the red lamp to momentarily flash If the red lamp flashes with an intermittent audible alar...

Page 8: ...resistor by the Model 725 Monitor Note Although the work surface is grounded by the Model 725 Monitor it is not monitoring the ground to the work surface 3M 8200 Series Work Surfaces use the female 1...

Page 9: ...the front edge of the work bench Attach the monitor to the work bench with the screws It may be necessary to pre drill pilot holes for the screws Attach the dual conductor ground clip or each wire of...

Page 10: ...l 725 Monitor See Section 6 Section 6 Parking Clip Fig 5 A parking clip is supplied with the Model 725 Monitor allowing mobile users to silence the ground clip disconnect alarm Attaching the dual cond...

Page 11: ...snap firmly into place Section 8 Verification Procedure for the Model 725 Monitor The Model 725 Wrist Strap Monitor cannot be recalibrated after the initial factory calibration However the following...

Page 12: ...rt the opposite ends together Set the RSB as follows and observe the lamp and audible alarm 5 0 Megohms Red lamp OFF audible alarm OFF 11 5 Megohms Red lamp ON Continuous audible alarm ON Continuous t...

Page 13: ...rist Band large 2368 Dual Conductor Fabric Wrist Band adjustable 2381 Dual Conductor Metal Wrist Strap small 2382 Dual Conductor Metal Wrist Strap medium 2383 Dual Conductor Metal Wrist Strap large 23...

Page 14: ...on of Electrostatic Sensitive Devices 3M Tech Response 123 Pulsed Current vs Constant Current in Work Station Monitors 3M Static Digest Issue No 1 1998 Disc Drive Industry Static Control Consideration...

Page 15: ...nty Exclusions THE FOREGOING EXPRESS WARRANTY IS MADE IN LIEU OF ALL OTHER PRODUCT WARRANTIES EXPRESS AND IMPLIED INCLUDING FITNESS AND MERCHANT ABILITY The express warranty will not apply to defects...

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