3M™ Ground Pro
Ground Integrity Meter
Model CTM051
User’s Guide
3M™ Ground Pro Ground Integrity Meter
Model CTM051
Safety Information
Read, understand, and follow all safety information contained in these user
instructions prior to use of the 3M Ground Pro Ground Integrity Meter Model
CTM051. Retain these user instructions for future reference.
EXPLANATION OF SIGNAL WORD CONSEQUENCES
WARNING:
CAUTION:
NOTICE:
Indicates a potentially hazardous situation, which, if not avoided, could result in
death or serious injury and/or property damage.
Indicates a potentially hazardous situation, which, if not avoided, may result in
minor or moderate injury and/or property damage.
Indicates a potentially hazardous situation, which, if not avoided, may result in
property damage.
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WARNING
To reduce the risks associated with environmental contamination:
When working with the automated equipment, always observe safety precautions as •
recommended by equipment manufacturer and your company’s practices
CAUTION
To reduce the risks associated with environmental contamination:
Dispose of the monitor in accordance with local, state, and federal regulations•
NOTICE
To reduce the risks associated with property damage:
Periodically check that the indicator is functioning properly•
FCC
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.
Industry Canada
This Class A digital apparatus complies with Canadian ICES-003.
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The 3M™ Ground Pro Ground Integrity Meter is a comprehensive instrument that
EMI
Ref.
V
P o wer
C
Ohms
Hold
measures the ground connection of your equipment in accordance with ANSI 6.1 and
ANSI/ESDA S.20.20 standards. In addition to measuring ground impedance, it also
measures AC and DC voltage on the ground as well as the presence of high-frequency
noise or electromagnetic interference (EMI) on the ground, alerting you to possible
functionality problems, such as tool lockups, erratic behavior and parametric errors.
Controls and Indicators
Turns the power on and off. Hold for a few seconds to turn the unit off. Also
resets some parameters.
Switches the unit into impedance measurement mode.
Switches the unit into high-frequency noise (EMI) measurement mode.
Switches the unit into AC and DC voltage measurement mode.
Sets up the reference for measurements and alarms.
Freezes the display/and shows the maximum measured value.
Adjusts the scale for some parameters and adjusts reference values.
Display backlight on/off
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Brief Tour of your 3M™ Ground Pro
Ground Integrity Meter
Please refer to the rest of this User’s Guide for detailed explanations of each control,
indicator and connection.
Banana Jacks
Keypad
Display
Battery Compartment
(on the back)
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