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Desco 50571 - Charged Plate Analyzer with Carrying Case

Name: Desco 50571 - Charged Plate Analyzer with Carrying Case
Brand: Desco
SKU: Desco50571
Price: 6825.00 USD
Availability: InStock

0 reviews | Model: Desco 50571

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Charged Plate Analyzer, North America Power Cord

6"x6" charged plate analyzer
Use to evaluate the performance and functionality of ionizers
Customizable measurement capacitance
Provides assurance that ESD process needs are met in manufacturing and that there is compliance to the requirements of ANSI/ESD S20.20 and EN 61340-5-1 testing per ANSI/ESD STM 3.1
Programmable discharge time mode thresholds (1 to 1000V in 1V increments)
Tests the efficiency of an ionizer’s ion production by measuring the amount of time needed to neutralize a positive or negative charge on the isolated conductive plate
Peak AC - tests the offset voltage (balance) between the positive and negative air ions output by an ionizer
Designed to be battery operated or operated while connected to a line voltage source
NIST calibrated with certificate included

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List Price: $6,825.00

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Desco 50571 - Charged Plate Analyzer with Carrying Case

6"x6" charged plate analyzer
Use to evaluate the performance and functionality of ionizers
Customizable measurement capacitance
Programmable discharge time mode thresholds
NIST calibrated with certificate included

The Charged Plate Analyzer is designed to provide quantitative and accurate measurements for a variety of air ionization tests in any location. The OUTPUT MONITOR connector on the rear panel is a buffered output providing a low-voltage replica of the voltage on the ion collecting plate.

The Charged Plate Analyzer employs a revolutionary new charged-plate monitor design that utilizes an ultra-high-impedance high-voltage follower to monitor the ion collecting plate voltage. This technique provides very high accuracy and virtually infinite impedance loading of the plate, while allowing the ion collecting plate to be charged and monitored through the same small-diameter connection.

This technique also makes the measurement capacitance independent of the physical size and shape of the ion collecting plate. Therefore, the size and shape of an ion collecting plate, as well as the measurement capacitance, may be customer specified to match a particular ESD-sensitive device within a manufacturing process, or it may be made to conform to the ESD Association Standard ANSI/ESDSTM3.1.

The Charged Plate Analyzer features three primary modes of operation: a negative (-) decay mode, a positive (+) decay mode, and a float mode. Decay mode START and STOP voltages are easy to program.

Use for Product Qualification and Compliance Verification testing of Ionizers per ANSI/ESD S20.20 testing per ANSI/ESD STM3.1 and ESD TR53. Use Decay mode to measure Discharge Times; the required limit is to be determined by the user. Use the Float Mode to determine the ionizer’s offset voltage; the Offset Voltage required limit per ANSI/ESD S20.20 is ±35 volts.

For DECAY mode operation, the ion collecting plate is pre-charged, either positively or negatively, to a level above the programmed START voltage. The time required to discharge the ion collecting plate from the programmed START voltage to the programmed STOP voltage is measured by the Charged Plate Analyzer. The discharge is due to ‘incident ion flow’ on the ion collecting plate.

For the FLOAT mode operation, the plate is initially discharged to zero and then allowed to float to the voltage level dictated by ‘incident ion flow’ on the ion collecting plate.

The simplicity of the design of the Charged Plate Analyzer makes it very reliable and completely portable. The Charged Plate Analyzer is powered by a rechargeable battery (supplied) that offers 8 hours of operation from a full charge. The unit can also be operated from a line supply using a battery eliminator/charger.

Desco 50571 Specifications
Performance
Monitored Voltage Range	0 to ±1100 V DC or peak AC.
Small Signal Bandwidth (-3 dB)	DC to 1 kHz (measured at 20 V p-p).
Large Signal Bandwidth	DC to 10 Hz (measured at 2000 V p-p).
Zero Stability (referred to plate voltage)
Drift with Time (no incident ion flow)	Less than 6 V/minute.
Drift with Temperature	Less than 10 mV/°C, noncumulative.
Decay Mode Thresholds
Start Voltage	Programmable from 1 to ±1000 V in 1 V increments.
Start Accuracy	Within ±1 V of programmed start voltage.
Stop Voltage	Programmable from 0 to ±999 V in 1 V increments.
Stop Accuracy	Within ±1 V of programmed stop voltage.
Plate Self-Discharge (unpolarized)	Less than 12 V/minute.
Features
Power On/Off	A two-position rocker switch.
Test/Reset Control	A momentary toggle switch used in conjunction with the Mode Select Switch to program the START and STOP voltages.
+Decay and -Decay Modes	Set the plate voltage to a value greater than the programmed start voltage and reset the decay timer to zero.
Float Mode	Sets the plate voltage to 0 V ±2 V.
Voltage Monitor Output	A BNC providing a low voltage replica of the plate voltage.
Scale Factor	1/200th of the plate voltage.
DC Accuracy	Better than 0.1% of full scale.
Offset Voltage	Less than ±10 mV.
Output Noise	Less than 10 mV rms (measured using the true rms feature of the Hewlett Packard Model 34401A digital multimeter).
Output Impedance	Less than 0.1 ohm.
Plate Voltage Digital Panel Meter	3 ½ digit red LED display.
Range	0 to ±1100 V.
Resolution	1 volt.
Accuracy	Better than 0.1% of full scale, ±1 count.
Decay Time Digital Panel Meter	4-digit red LED display.
Range	0 to 9999 seconds.
Resolution	0.1 seconds, from 0 to 999.9 seconds; 1 second, from 1000 to 9999 seconds. (The display will indicate “- - - -” when the decay time exceeds 9999 seconds.)
Ion Collector Plate
Standard Option	Meets ESD Association Standard ANSI/ESD-STM3.1 requirements for:
Dimensions	15.3 cm x 15.3 cm square, (6² x 6² square).
Capacitance	20 pF ±2 pF.
Non-standard Option
Dimensions	Specify when ordering.
Capacitance	Specify when ordering.
Mode Select	A three-position toggle switch that selects the +Decay, the -Decay, or the Float mode of operation. This switch is also used in combination with the Test/Reset Control switch to program the start and stop voltages.
General
Power Requirements
Battery Eliminator/Charger	Optionally available for all nominal line voltages. Contract EMIT or an authorized service organization for more information. NOTE: If line impulses exceed 500 V when using the battery eliminator/charger, the unit may reset and require operator assistance.
Specifications
Output Connector	2.1 mm DC power plug.
Output Voltage	12 to 14 V DC.
Output Current	1 A.
Battery Operation	Rechargeable battery supplied.
Operating Time	8 hours with full charge.
Recharge Time	3 hours to full charge.
Other	Low battery indicator. Full charge indicator.
Operating Conditions
Temperature	5 °C to 35 °C.
Relative Humidity	To 80%, non-condensing.
Mechanical
Instrument Dimensions	83 mm H x 318 mm W x 280 mm D (3.25" H x 12.5" W x 11" D).
Instrument Weight	2 kg (4.4 lb).
Voltage Monitor Connector	BNC coaxial connector. (3 meter length, maximum.)
Ground Receptacle	Banana jack.
Battery Eliminator/Charger Receptacle	2.1 mm DC power plug.
Cable from Instrument to Floating Plate	Coaxial type.
Diameter	4.95 mm (0.195") or 2.6 mm (0.102").
Length	3 m (10 ft), nominal.
Certification	EMIT certifies that each Charged Plate Analyzer is tested and calibrated to specifications using measurement equipment traceable to the National Institute of Standards and Technology or traceable to consensus standards. A Certificate of Calibration accompanies each instrument when it is shipped from the factory.
Low Voltage Safety Compliance	EN 61010-1
Over-voltage Category	CAT I: Peripheral level outputs (less than 60 volts).
Pollution Category	Degree 1: Operate in environments where no pollution or only dry, non-conductive pollution occurs.