ETS 205C, 205C-X10 Instruction Manual
CHARGED PLATE DETECTORS
Model 205C and 205C-x10
Instruction Manual
4-09
Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
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1.0 GENERAL
The Model 205C and 205C-x10 Charged Plate Detectors are used in conjunction with
the ETS Model 212 Static Meter. They snap onto the front of the Meter providing a
convenient and economical approach for performing electrostatic measurements
requiring a charged plate monitor. Typical charged plate tests consist of measuring
ionizer balance and decay, static propensity of floors and footwear, triboelectric charge
evaluation of material and objects, plus evaluation of the effectiveness of personnel
grounding systems. The optional Model 208B-1200 Volt Charging Source enables the
system measure ionization neutralization time, voltage suppression, static dissipation
and using the 208B-1000 Volt Charging Source Calibration Unit, system calibration.
2.0 EQUIPMENT DESCRIPTION
2.1 Model 212 Static Meter
The Model 205C and 205C-x10 are used in conjunction with the ETS Model 212 Static
Meter, shown in Figure 2.1-1. The Meter incorporates a non-contacting, chopper type
field sensor with “MEASURE and HOLD” functions. In the “MEASURE” mode, the Static
Meter provides continuous measurement. The “HOLD” mode stores the last
measurement, permitting operation in special situations such as measuring static
charges inside an opaque bag or inside production equipment. The meter is “zeroed”
easily with an external ZERO ADJUST control and normally does have to be re-zeroed
between measurements.
The chopper stabilized sensor enables the Model 212 to accurately measure
electrostatic fields in areas using air ionization. The Meter is powered by a 9V battery
and features a conductive case as well as a convenient snap-on wrist strap cord to
provide a hard ground connection. The Model 212 standard measurement range when
used as a field meter is ±20kV at 1 inch (25mm) when measuring a large planar target
in free space.
Figure 2.1-1: Model 212 Static Meter
2.2 Model 205C and 205C-x10 Charged Plate Detectors
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These charged plate detectors attach to the front of the Model 212 Static Meter.
The standard Model 205C along with the optional 6”x6” Detector Plate and the
Model 212 shown in Figure 2.2-1 increases the sensitivity of the measurement
system by a factor of 10 and is designed for low voltage measurements up to 2
kV. The Model 205C-x10, shown in Figure 2.2-2, decreases the sensitivity of the
measurement system also by a factor of 10 and is designed for high voltage
measurements up to 20 kV.
Figure 2.2-1: Standard Model 205C with optional 6”x6” Detector Plate
Figure 2.2-2: Model 205C-x10 Charged Plate Detector
2.2.1 Standard Model 205C
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