Trek 152-1 User Manual

Model 152-1

Resistance Meter

Model 152P-CR-1
Surface / Volume
Resistance Probe

Concentric ring probe

!

pre-amplfier eliminates
interference and enables
reliable operation at high
resistance values

! Exceptional accuracy,

stability, & repeatability

Model 152-1 Surface / Volume

Resistance Meter

The Trek Model 152-1 Surface/Volume Resistance Meter is
designed to precisely measure surface or volume resistance on
a wide variety of conductive, dissipative, and insulative
materials. The Model 152-1 employs a measurement
technique which conforms to ANSI/ESD Association standards
for measuring surface resistance, resistivity, and volume
resistance including STM2.1 for garments, S4.1 for work
surfaces, S7.1 for flooring, STM9.1 for footwear, STM11.11 for
planar materials,

2-3), STM12.1 for seating,

measurement nd STM97.1 for floor materials/footwear. A
variety of measuring probe electrode configurations are
available and are purchased separately.

The Model 152-1 features exceptional measurement accuracy
and wide measurement ranges of 10 to 10 Ω using point-to­point probes or the two-point resistance probe for small surface
area measurements. When used with the exclusive 152P-CR-1
concentric ring probe that contains a pre-amplifier, the usual
noise, stray pickup and long settling time associated with other
concentric ring probe designs is eliminated, thus providing ease
of operation even at very high resistance values.

STM11.12 for volume resistance (IEC 61340-

STM11.13 for two point resistance

a

3 13

! Complies with ANSI/ESD

Association standards

! Wide measurement

ranges of 10 to 10 Ω

3 13

! Elastomer electrodes for

excellent surface contact

! Battery or AC line

operated with automatic
shutoff

! Light-weight and

portable

! Variety of probe types

The electrode test voltage for the measurement probe(s) is
switch selectable for 10 V or 100 V operation to conform to the
individual requirements of the ANSI/ESD Association standards
and testing conditions. The selected test voltage is indicated on
the LCD display. The light-weight portable unit is operable via
batteries or an AC line power source with a battery eliminator.

152AP-3mm x

25.4mm

Resistance Probes

Model

152BP-5P

Point-to-Point

Probes

Model 152P-2P

Two Point Resistance

Probe

Measurement and Power Solutions

www.trekinc.com

available

! Optional Accessories

include Walking Test
Adapter and Test Plate
Set

! compliant

TM

Model 152-1 Resistance Meter (cont.)

Performance

Measurement Range

3 13

10 to 10

W.

Measurement Accuracy (of reading)
at 25 °C ±10 °C and 20% to 70% RH:

Point-to-point probes [152BP-5P]

3 12

10 to 10 W range, ±5%,

13

10 W range, ±8%.

Concentric Ring Probe [152P-CR-1]

and Two-point resistance probe
[152P-2P]

3 11

10 to 10 W range, ±5 %,

12 13

10 to 10 W range, ±10 %.

Probe Electrode Test Voltage

User selectable: 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.

Features

LCD Display

Three digits plus two digit exponent
(scientific notation).

Low Battery Indicator

LCD message for low battery.

Test Voltage Range Indicator

Indicates the test voltage selected,
either 10 V or 100 V.

Automatic Shutoff

If the unit is left idle for longer than
10 minutes, the unit automatically
turns off.

Test Probes/Accessories

Model 152BP-5P Test Probes

2.27 kg (5 lb) (set of two probes)

Available for performing resistance
measurements including
ANSI/ESDSTM4.1 standards (point­to-point or resistance to ground
measurement)

Probes/Accessories (cont)

Model 152P-2P Two Point
Resistance Probe

Performs measurements on surface
areas too small to be measured
with conventional probes.

Model 152P-CR-1 Surface/Volume
Concentric Ring Probe*

Measures surface and volume
resistance of materials as per
IEC or ESDA standards. A three (3)
position switch on the probe selects
either SURFACE resistance or
VOLUME resistance measurements
with either a GUARDED or
UNGUARDED outer electrode. Uses
an exclusive built-in pre-amplifier
design.

Resistance Probes, 3mm x 25.4mm

Set of two miniature probes

[Model 152AP-3mm x 25.4mm
Resistance Probe (pair)] can be
handheld and randomly positioned.

Test Plate Set
(consists of two separate plates)

The use of these plates is described
in the ESD STM11.12 (IEC 61340-2-

3) standard.

Conductive Plate

(5" x 5"/127 mm x 127 mm) A
stainless steel conductive plate
(with a mini banana plug
connector).

Insulative Plate

(5.4" x 5.4"/ 137 mm x 137 mm)
Acts as an insulative surface.

Walking Test Adapter Kit

The Walking Test Adapter allows
analysis of resistance levels on the
human body [STM 97.1].

*The Model 152-CR-1 will operate with
the previous Model 152 resistivity meter
in “surface” mode, just as the Model
152-CR probe did. The 152-CR will
operate with the Model 152-1
Resistance Meter with the
measurement being in “ohms,” not
“ohms/sq.”

General

Battery Operation

Two (2) 9 Volt batteries (NEDA 1604
Alkaline, or equivalent) provide
6 hours of power for portable
operation.

AC Line Operation

The use of a AC battery eliminator
allows for AC line operation. The
eliminator output connector is a
female type 2.1 mm DC power plug.

ANSI/ESD Association Standards

The Model 152-1 conforms to the
following IEC and ANSI/ESD
Association Standards for
measuring surface resistance and
surface resistivity:

IEC 61340-2-3 Electrostatics Part

2 and 3

STM2.1Garments.
S4.1 Work surfaces -

resistive
characterization.

S7.1 Flooring materials.
STM9.1Footwear resistive

characteristics.

STM11.11 Surface resistance

measurements of static
dissipative planar

materials.

STM11.12 Measurements for

volume resistance
(IEC 61340-2-3).

STM12.1 Seating - resistive

measurements.

STM11.13 Two-point resistance

measurement.

STM97.1 Floor materials /

footwear - resistance
measurements in
combination with active
user.

Instrument Dimensions

180 mm H x 100 mm W x 44 mm D
(7² H x 4² W x 1.75² D).

Instrument Weight

Approximately 0.5 kg (1 lb) with
batteries.

Supplied Accessories · Operator's Manual [23426] · Ground Cord [N9044]
Optional Accessories · Battery Eliminator/Charger (115 V AC) [L5111] · Test Plate Set [17530]

· Universal AC Adapter Kit (90 to 265 V AC) [1K010] · Carrying Case [43378]

· Test Probes purchased separately · Walking Adapter Kit [1K039]

All specifications are subject to change. 1213/DEC Copyright ã 2012 TREK, INC.

TREK, INC. • 190 Walnut Street • Lockport, NY 14094 • USA • 800-FOR TREK

(fax) • www.trekinc.com • [e-mail] 716-438-7555 • 716-201-1804