User Manual

Trek Model 152P-CR-1
Surface/Volume Concentric Ring Probe
The Trek Model 152P-CR-1 Concentric Ring Probe is capable of
measuring surface and volume resistance in materials as per IEC
or ESDA standards. A three (3) position switch on the probe selects
surface resistance or volume resistance measurements with
either a guarded or unguarded outer electrode. (See page 2.)
An optional Test Plate Set [CN 17530] consists of two separate
plates. A stainless steel conductive plate can act as a second
electrode to apply the test voltage to the sample under test and
also provides a mini-banana plug connection for a secure ground
connection. An insulative plate is utilized as needed. The use of
these plates are described in the ESD STM11.12 and in IEC 61340-
2-3 standards.
152P-CR-
1
allows analysis of resistance levels on the human
body [STM 97.1].
The Trek Model 152-1 Resistance Meter used with the
system, is designed to precisely measure surface resistance on a
wide variety of conductive, dissipative, and insulative materials.
The Model 152-1 Resistance Meter employs a measurement
technique which conforms to ANSI/ESD Association standards for
measuring surface resistance, resistivity, and volume resistance
and features exceptional measurement accuracy and wide
3 13
measurement ranges of 10 to 10 ohms using either a point-to-
point probe or the two-point probe. Measured resistance values
are clearly displayed on a high-contrast LCD display. Various
probes are available and accessory options include a Walking Test
Adapter which
Trek MODEL 152-1
Resistance Meter
Measurement Range
3 13
10 to 10 ohms
Probe Electrode Test
Voltage
User selectable for
10 V or 100 V, ±2%.
Test Current Limit
Limited to less than 13 mA
in the 10 V range and less
than 1.7 mA in the 100 V
range.
MODEL 152P-CR-1
Surface / Volume
Resistance Probe
A three (3) position switch
on the probe selects
performance options.
Optional Test Plate Set
These plates provide
additional ESD STM
standard options for
guarded and unguarded
resistance and volume
measurements.
Optional Probe Calibration
Fixture
Provides measurement
accuracy verification of
resistance/resistivity
probes.
Measurement and Power Solutions
TM
www.trekinc.com
Trek Model 152-1

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