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Summary of Contents for Prostat PAS-853B
- Page 1 WIDE RANGE OHMMETER PAS-853B User Manual...
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Page 3: Table Of Contents
General Copyright © 2016 by Prostat® Corpora on. All rights reserved. Printed in the United States of America. No part of this manual may be used or reproduced in any manner whatsoever without wri en permission. For informa on contact Prostat Corpora on, 1072 Tower Lane, Bensenville, IL 60106 USA Prostat is the registered trademark of Prostat®... -
Page 4: Introduc On & Descrip On
PAS-853B Wide Range Ohmmeter I. Introduc on & Descrip on The PAS-853B instrument is a wide range ohmmeter that measures accurately from 0.01 to <1.0x10 ohms, i.e., 9.99x10 ohms. In its AUTO mode the instrument automa cally adjusts resistance range and selects test voltage in accordance with standard prac ces outlined in ANSI/ESD STM11.11, and... - Page 5 PAS-853B Wide Range Ohmmeter A. Modes of Opera on There are two main Modes of PAS-853B Opera on 1. AUTO mode (Displayed as GO A): Automa cally adjusts resistance range, test voltage and Elec- trifi ca on Period (EP). Measurements stops at the end of EP, Green LED is ON, measurement is displayed for 10 seconds then instrument resets for the next measurement.
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Page 6: Ba Ery Installa On
Philips #1 screw Ba ery Cover Figure 5: Main Power Ba ery Cut-Off Switch Figure 6: PAS-853B Ba ery Com- on side of Instrument partment on bo om of Instrument A. Install test leads or special fi xtures as shown: 1. - Page 7 (See Null Adjustment for Lead Resistance) b. CAL? Func on: Is used by qualifi ed Prostat® trained technicians to adjust instrument test voltages using a special technique to maintain specifi ca on performance. Do not try to adjust test voltages.
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Page 8: Resistance Measurements In Automa C Mode
Long 200 cm leads are supplied for audi ng purposes where lead length is physically neces- sary. Long Prostat leads will allow the instrument to perform within its targeted perfor- mance. Figure 9: The shield is connected to the me-... -
Page 9: Electrifi Ca On Period In Auto/Go A Mode
(EP) to insure an accurate representa on of the material under test. The PAS-853B measurement process is quite fast and once a measurement is stable in the LCD, the operator may elect to use the stable displayed measurement. In this case the EP is manually deter- mined by the operator. -
Page 10: Null Adjustment For Lead Resistance
LCD. This is especially impor- tant when making low resistance measurements less than 1.0 or 2.0 ohms. Two 200 cm Prostat leads have a combined resistance of approximately <0.35 ohms. - Page 11 D. To adjust the PAS-853B to compensate for lead resistance connect the leads to the instrument and then short the leads together using the supplied shor ng connector (shunt). The instrument should be OFF before star ng this sequence.
- Page 12 PAS-853B Wide Range Ohmmeter 2. While CAL? is displayed press MODE one me and nULLr? will be displayed. Figure 17: Press MODE to select NULL pro- Figure 18: Press TEST and r nULL displays and starts cess 3. Press TEST briefl y so that “r nULL” is displayed in the LCD, which begins the automa c Null ad- justment process.
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Page 13: Ba Ery Replacement
PAS-853B Wide Range Ohmmeter 5. Once the lead resistance is stored in memory, the unit restarts. During startup the instrument fi rmware ID version is displayed when the instrument is ready to take measurements Go A is displayed. Figure 20: Firmware version NOTE To confi... -
Page 14: User Adjustments & Maintenance
If Prostat determines that the failure was caused by misuse, altera on, accident or abnormal condi on of opera on or handling, Prostat will provide an es mate of repair costs and obtain authoriza on before commencing the work. Following repair, the product will be returned to the Buyer transporta on prepaid and the Buyer will be billed for the repair and return transporta on charges (FOB Shipping Point). - Page 15 PAS-853B Wide Range Ohmmeter Out of Warranty Repairs Prostat expressly warrants that for a period of 90 Days from the date of repair, by Prostat, instru- ments and products will be free of defects in material (parts) and workmanship (labor). If Pros- tat receives no ce of such defect during the warranty period, Prostat will replace or repair at its expense such parts which it determines to be defec ve.
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Page 16: General Specifi Ca Ons
- When data in HOLD, press MODE to terminate HOLD without changing opera onal mode - Press MODE with TEST to change from Auto to Con nuous - Used to measure lead resistance (NULL) - Used by Prostat Authorized Technicians for Voltage Calibra on CONNECTIONS Posi ve (+) Test Voltage (RED) –... - Page 17 PAS-853B Wide Range Ohmmeter TYPICAL TOLERANCES Nominal performance by range: 0.01E- 1 – 1.0E 0 Ω <±10%, ±2 Counts 1.0E 0 – 9.99E10 Ω <±2%, ±2 Counts 1.0E11 – 9.99E12 Ω <± 10%, ±4 Counts TEST VOLTAGES Automa cally selected and controlled in AUTO mode. May be manually selected by pressing MODE pad in the following order: •...
- Page 18 PAS-853B Wide Range Ohmmeter NOTES Rev. A / February 2016...
- Page 19 PAS-853B Wide Range Ohmmeter NOTES Rev. A / February 2016...
- Page 20 PAS-853B Wide Range Ohmmeter NOTES Rev. A / February 2016...
- Page 21 PAS-853B Wide Range Ohmmeter NOTES Rev. A / February 2016...
- Page 22 PAS-853B Wide Range Ohmmeter NOTES Rev. A / February 2016...
- Page 24 Specifi ca ons are subject to change without no ce. All Prostat trademarks and trade names are the property of Prostat Corpora on. All other trademarks and trade names are the property of their respec ve companies. P R O F E S S I O N A L...
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