Prostat PRS-812 User Manual

4
Rev. C / January 2012
PRS-812 Resistance Meter
 
The PRS-812 Resistance Meter makes precision resistance measurements from
0.1 up to 1.0x10
12
ohms with an overall measurement tolerance of ±5%. It is
capable of measuring up to 2.0x10
14
ohms with tolerance depending on proce-
dures and condions. The PRS-812’s wide range and close tolerance make it the
ideal ESD Auding instrument for measuring resistance to a variety of ESD and
general industry specicaons. It is operated by programmed microprocessors
that control the instrument’s measurement process, resistance auto ranging,
test voltage selecon, electricaon periods, and display funcons. It can be
operated in either fully automac or manual modes, or a combinaon of
automac and manual modes.
The PRS-812 is unique in that it records and stores up to 80 resistance measure-
ments in its own non-volale memory register. Stored data is summarized with
a push of a buon.
Its accuracy is based on its ability to rapidly make several measurements each
second, and average them unl a stable set of eight measurements, all within
5% tolerance, are obtained. The nal averaged data is displayed as the resis-
tance measurement. Typically, measurements at less than 1 ohm are within
5% of tolerance, and those between 1.0 and 1.0x10
12
ohms are within 0.5% of
laboratory references
While quite sophiscated in design, the PRS-812 Resistance Meter is easy to use and extremely helpful in
making accurate ESD auding measurements, or general resistance and connuity checks.

To avoid electrical shock or damage to the PRS-812 Resistance Meter, read
this manual completely before installing baeries or using the instrument.
A. Measurement Applicaons
The PRS-812 Resistance Meter is designed to measure resistance characteriscs of electrostac
discharge (ESD) control materials and products to current ESD industry standards, including:
Wrist Straps (ANSI/ESD S1.1)
Flooring (ANSI/ESD STM7.1)
ESD CP Grounds (ANSI/ESD S6.1)
Footwear (ANSI/ESD STM9.1)
Equipment (ESD SP10.1)
Material Handling Containers
Garments (ESD STM2.1)
Worksurfaces (ANSI/ESD S4.1)
Carts & Seang (ANSI/ESD STM 12.1)
Workstaons
Producon Aids & Hand Tools
Packaging (ANSI/ESD STM11.11, ANSI/ESD
STM11.12 & ASTM 257), and Other ANSI/
S20.20 ESD Program Control Elements
Addional xtures and electrodes supplied separately are required for many of these mea-
surement.



Prostat PRS-812 Specifications

General

Brand	Prostat
Model	PRS-812
Category	Measuring Instruments
Language	English