3M Ground Pro
Ground Integrity Meter
Model CTM051
Proper grounding is crucial for the safe and uninterrupted operation of equipment. In
critical environments, a faulty ground connection may result in personnel exposure
to dangerous voltages, equipment lockups or malfunctions, and damage to sensitive
components. Proper grounding has become one of the most important concerns in
facility and tool management.
The 3M Ground Pro Ground Integrity Meter offers a suite of features designed to
verify critical grounding parameters in any facility. The Ground Pro measures ground
impedance in accordance with ANSI 6.1 and ANSI/ESDA S.20.20 standards. One of
the key features of the Ground Pro is its data integrity—its patented technology allows
it to provide accurate measurements of ground impedance on a working tool when
ground noise is present, an area where most regular instruments fail.
In order to maximize precision, the Ground Pro measures impedance down to
milliohms and automatically cancels impedance of test leads so that even milliohm
values can be read accurately. In addition to measuring ground impedance, the
Ground Pro also measures AC and DC voltage on the ground while separately
measuring high-frequency voltage (EMI). This information is greatly beneficial when
performing diagnostics of equipment malfunctions and lockups.
The Ground Pro is an essential tool for anyone concerned with ensuring proper
grounding of equipment during installation, maintenance and throughout regular use.
The 3M Ground Pro Ground Integrity Meter
Model CTM051
Applications
Front-end semiconductors
Photolithography equipment
Back-end semiconductor tools
Disk drive manufacturing
Surface mounted assembly
Industrial robotics
Tool clusters
Medical
Military
Aerospace
Wherever grounding is important
Features
ANSI/ESDA S.20.20 and
ANSI 6.1 compliant measurements
Auto-zero of test lead impedance
Broadband EMI measurements
AC and DC voltage measurements
Audio alarms
Key Advantages
ANSI/ESDA S.20.20
and ANSI 6.1 Compliant
The Ground Pro measures ground
impedance in accordance with
requirements of ANSI 6.1 and ANSI/ESDA
S.20.20 standards.
Accurate Readings
in a Noisy Environment
The Ground Pro is designed to
provide accurate ground impedance
measurements in the presence of noise
and ground currents—something a
regular multimeter is not known to do.
Safety
If a ground connection is miswired, it may
contain dangerous voltage. The Ground Pro
can measure voltage on such grounds—
both AC and DC. An alarm level can be set
to alert personnel about such conditions.
EMI
High-frequency noise on a ground
increases the probability of equipment
malfunction and downtime. EMI can also
provide dangerous exposure to sensitive
components. The Ground Pro measures
high-frequency noise on grounds in a
broad frequency range—both average
and envelope peak signals.
