Prostat PAR-809C Manuale utente
User Manual
PAR-809C
VARIABLE RESISTANCE REFERENCE
Page
I. Introducon 4
II. Cauons & Warnings 4
III. Inspecon & Preparaon for use 4
IV. Applicaons 5
VGeneral Operaons 5
VI. Maintenance 9
General Specicaons 10
Copyright © 2011 by Prostat® Corporaon. 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 wrien permission. For informaon contact
Prostat Corporaon, 1072 Tower Lane, Bensenville, IL 60106 USA
Prostat is the registered trademark of Prostat® Corporaon
A. The Prostat PAR-809C Variable Resistance Refer-
ence is a precision wide range resistance instru-
ment used to measure the resistance range per-
formance of wrist strap testers, footwear testers
and other resistance indicang meters, xtures
and instruments.
1. The device under test’s resistance perfor-
mance range is indicated by the device’s
Pass/Fail lights when the PAR-809C is posi-
oned to a selected resistance.
2. Every PAR-809C is individually inspected
and measured for precise resistance of each
reference posion before leaving the factory
and recorded.
B. The PAR-809C is intended as a resistance reference for DC circuits of 100 volts or less.
1. The factory resistance references are documented at 10 and 100 volts DC.
2. Inspecon and re-cercaon of resistance reference values should be conducted annually.
A. Do not use the PAR-809C on circuits exceeding 100 volts DC.
B. As with any electrical device, use proper electrical precauons to avoid personnel shock.
C. Only qualied instrument repair personnel should open or repair the PAR-809C.
D. Do not store or use in damp environments.
E. PAR-809C Equipment and Accessories
1. One PAR-809C Variable Resistance Reference Instrument
2. One 9 volt DC baery used to power posion indicaon lights.
3. Two (2) 24 – 30 inch test leads equipped with male banana plugs.
A. Install provided 9 volt baery by sliding baery com-
partment open and rmly snapping baery terminals
to the appropriate connectors. Baery can only be
connected in one way. Re-close the baery compart-
ment.
B. Turn ON the slide switch located at the side
of the unit: vary the rotang posion knob to insure
all indicang lights are funconal.
4Rev. B / January 2012
PAR-809C Variable Resistance Reference
1. Slide switch to OFF posion unl unit is intended for use.
2. NOTE that the baery provides power to indicang lights only.
a. The baery does not aect the funcon of the instrument as a resistance reference.
b. The posion lights are provided as a convenience for the operaon of the unit during use.
A. The PAR-809C is a precision resistance reference constructed using 1 percent tolerance resistors to
assure accuracy. It is designed to funconally test the resistance range and performance of a va-
riety of equipment during roune audits, including: in-plant wrist strap checker range,
footwear checker range, and other resistance indicang devices.
B. Used in conjuncon with the Prostat PRS-812 or PRS-801 Resistance Meters, the PAR-809C func-
onally tests performance of the Prostat PWA-805 Wrist Strap Auditor. Calibraon of resistance
meters is easily conrmed using the PAR-809C.
C. Proper use of the PAR-809C insures accurate, funconal performance conrmaon of crical ESD
control tools.
A. Conrming Wrist Strap Tester Resistance Performance Range
1. Plug the two supplied test leads into the PAR-809C receptacles.
2. Plug one PAR-809C test lead into the wrist strap tester’s Wrist strap Ground Cord receptacle.
3. Rotate the PAR-809C’s Posion Selector knob to Posion 1, the lowest resistance reference.
4. Turn ON the PAR-809c’S posion indicang lights by sliding the switch located on the
side of the instrument to the ON posion.
5. Insure the wrist strap device under test is ON and funconal.
6. Using the second PAR-809C test lead with metal alligator clip installed, press the Push to Test
buon or plate on the wrist strap tester.
a. The wrist strap tester PASS or indicaon should actuate upon contact with the
PAR-809C test lead alligator clip to the wrist strap tester’s push to test buon or plate.
b. Note the reference resistance value and the response of the wrist strap device under test.
7. Vary the PAR-809C reference resistance by rotang the Posion Selector Knob on the face of
the PAR-809C to the next posion and repeat step 6.
5
Rev. B / January 2012
PAR-809C Variable Resistance Reference
8. The resistance range posions where the device under test indicates PASS are those resistance
values accepted by the wrist strap tester.
a. Resistance posions below the PASS range should all be rejected by the device under test
as too low.
b. Resistance posions above the PASS range should all be rejected by the device under test
as too high.
B. Conrming Foot Wear Tester Resistance Performance Range
1. Plug the two supplied test leads into the PAR-809C receptacles.
2. Aach an alligator clip to one PAR-809C test lead. Aach the alligator clip to the Foot Wear test
plate.
6Rev. B / January 2012
PAR-809C Variable Resistance Reference
3. Rotate the PAR-809C’s Posion Selector knob to Posion 1, the lowest resistance reference.
4. Turn ON the PAR-809C’S posion indicang lights by sliding the switch located on the
side of the instrument to the ON posion.
5. Insure the Foot Wear device under test is ON and funconal.
6. Using the second PAR-809C test lead with a metal alligator clip installed, press the push to
or plate on the Footwear tester.
a. The Foot Wear PASS or indicaon should actuate upon contact with the PAR-
809C test lead alligator clip to the Foot Wear tester’s push to test buon or plate.
b. Note the reference resistance value and the response of the Foot Wear device under test.
7. Vary the PAR-809C reference resistance by rotang the Posion Selector Knob on the face of
the PAR-809C to the next posion and repeat step 6.
8. The resistance range posions where the device under test indicates PASS are those resistance
values accepted by the Foot Wear tester.
a. Resistance posions below the PASS range should all be rejected by the device under test
as too low.
b. Resistance posions above the PASS range should all be rejected by the device under test
as too high.
C. Conrming Resistance Measurement Performance of analog
Megohmmeters (Prostat PRS-800, 3-M-701 or similar)
1. Check the BATTERY funcon of the meter; replace bat-
teries if indicaon is .
2. Turn the meter to its posion.
3. Install the meter test leads in the meter lead receptacles.
7
Rev. B / January 2012
PAR-809C Variable Resistance Reference
4. Plug the two meter test lead banana plugs into the PAR-809C receptacles.
5. Rotate the PAR-809C’s Posion Selector knob to Posion 1, the lowest resistance reference.
6. Turn ON the PAR-809C’s posion indicang lights by sliding the switch located on the
side of the instrument to the ON posion.
7. Turn the Meter switch to the connuity posion, push the test buon on the meter and record
the measurement.
8. Vary the PAR-809C reference resistance by rotang the on the face of
the PAR-809C to the next posion; record measurement as in step 7.
9. Select the 10 V posion on the Megohmmeters, push the on the Megohmmeter
and record measurement.
10. Vary the PAR-809C reference resistance by rotang the posion Selector Knob on the face of
the PAR-809C to successive posions, and record measurements as in step 9.
11. The indicated resistance of the Megohmmeter should be within 10 percent of the factory resis-
tance indicated on the PAR-809C Calibraon sheet for each posion tested.
D. Conrming Funconal Performance of the PWA-805 Wrist Strap Auditor
The PRS-812 or PRS-801 is used for this funconal test procedure.
1. Check the funcon of the Resistance Meter; replace baeries if indicaon is .
2. Turn the Resistance Meter to its posion
3. Install the meter test leads into the proper receptacles.
4. Plug the tow test lead banana plugs into the PWA-805 Meter receptacles
5. Plug the two supplies test leads into the PAR-809C receptacles
6. Aach an alligator clip (not provided) to one PAR-809C test lead. Aach the alligator clip to the
Right hand cu cylinder of the PWA-805 Wrist Strap Auditor.
7. Install the second PAR-809C test lead banana plug in the PWA-805 Cord receptacle
8. Posion the PWA-805 three way rocker switch to its middle posion, marked “”.
9. Rotate the PAR-809C’s posion Selector knob to Posion 1, the lowest resistance reference
10. Turn ON the PAR-809C posion indicang lights by sliding the switch located on the
side of the instrument to the ON posion.
11. Turn the resistance meter on in the AUTO mode. Push the Test buon on the meter and record
the measurement.
8Rev. B / January 2012
PAR-809C Variable Resistance Reference
12. Vary the PAR-809C reference resistance by rotang the Posion Selector Knob on the face of
the PAR-809C to successive posions and record measurements as in step 11.
13. The indicated resistance of the resistance meter should be within 10 percent of the factory
resistance documented.
The PAR-809C is a wired test xture and switch assembly. There
are no resistors or electronic devices employed in this xture.
A. Replace 9 volt baery at least once each year. Remove baery when device is in extended storage,
i.e. six months or greater
B. Periodically conrm resistance values of each resistance posion at 10 volts using precision wide
range ohmmeter. Contact Prostat Corporaon for calibraon Service if necessary.
C. Resistance measurement conrmaon should be conducted once each year using a precision wide
range ohmmeter traceable to NIST.
D. Wipe foreign materials from case, receptacles and controls using a so dry cloth.
9
Rev. B / January 2012
PAR-809C Variable Resistance Reference
Resistance in Ohms
Posion #1: 1.2x104 Posion #5: 1.5x106 Posion #9: 3.7x107
Posion #2: 1.0x105 Posion #6: 9.5x106 Posion #10: 9.5x107
Posion #3: 7.6x105 Posion #7: 1.05x107 Posion #11: 1.05x108
Posion #4: 8.45x105 Posion #8: 3.3x107 Posion #12: 1.0x109
4.0” x 3.0” x 2.0” (11.4 cm x 9.5 cm x 5.1 cm)
12 Posion Rotary Range selector knob selects reference resistance – Knob
Height 1.0”
ON/OFF Slide Switch controls 12 LED posion indicator lights
2 Banana receptacles at end of case (Used to connect device under test in
series with selected resistance)
12 LED Range & Posion indicator lights
2 each 24” (min) output cables with standard male banana plugs at each
end.
One 9 Volts baery (included) for indicator light operaon only. Baery
does not inuence performance of the resistor references.
10.2 oz
±2% Tolerance
10 Rev. B / January 2012
PAR-809C Variable Resistance Reference
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