Dixon ADS Maintenance & Operating Instructions

30471PA CAP. SENSOR TESTER KIT INSTRUCTIONS

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Maintenance & Operating Instructions

For

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Industrial Fluid Controls

Capacitance Sensor Tester

dixonvalve.com

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30471PA, CAP. SENSOR TESTER KIT INSTRUCTIONS

Product Overview

The DIXON ADS capacitance sensor tester is designed to
verify function and calibration on a selection of DIXON ADS
brand liquid level sensors. The regular test and verification
of sensors ensures the ongoing safe, reliable, and
consistent operation for the life of the sensor. The
capacitance sensor tester and go-gauge verify the output
signals are within the factory accepted tolerances.

1. Capacitance sensor tester

2. 9V Battery

3. Trip window gauge

4. Storage Case

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30471PA, CAP. SENSOR TESTER KIT INSTRUCTIONS

Compatibility

The capacitance sensor tester is designed to test the
output and trip point of A100 and A200 series sensors. It is
necessary for the A100 and A200 to be partly disassembled
before testing can be completed. The tester is limited to
only single point sensors.

Technical Specifications

Size: [Case] 9.7” x 10.7” x 4.8”
Weight: 5Lbs
Battery Type: 9V of any chemistry
Automatic Power Timeout: 5 minutes
Approximate Battery Life: 15hrs continious

Procedure

A100 Disassembly

1. Remove the back of the A100 by

unscrewing these four screws:

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30471PA, CAP. SENSOR TESTER KIT INSTRUCTIONS

2. Unplug the sensor connection at the bottom of the unit.

3. Connect this to the capacitance sensor tester.

4. Continue to Testing the Sensor section.

A200 Disassembly

1. Unscrew the housing lid.

2. Once open, disconnect the sensor from the

external plug and connect it the Sensor Output
Tester.

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30471PA, CAP. SENSOR TESTER KIT INSTRUCTIONS

Testing the Sensor

1. Unscrew the thumb screw and knob all the way.

2. Place the capacitance sensor tip into the go-gauge,

then pull the sensor back until the shoulder is
captured.

3. Screw in the knob all the way.

4. Push the sensor towards the knob stem until the

sensor butts up against it.

5. Tighten the thumb screw to lock the sensor in

place.

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30471PA, CAP. SENSOR TESTER KIT INSTRUCTIONS

6. Turn on the capacitance sensor tester.

7. Verify the capacitance sensor tester shows closed.

If the capacitance sensor tester shows any of the
following conditions, the sensor is considered bad:
a. Closed
b. No sensor
c. Shorted
Removed from service and contact Dixon technical
support.

8. Begin unscrewing the knob.

9. Verify the capacitance sensor tester switches from

closed to open before the knob is completely
unscrewed. Be sure to remove your hand from the
knob as this will interfere with the gauges
accuracy. If the knob is completely unscrewed and
the sensor output tester shows any of the
following conditions, the sensor is considered bad:

a. Closed
b. No sensor
c. Shorted

Remove from service and contact Dixon technical
support.

Replacement Parts

9V Battery: Dixon 10261
Storage Case: Dixon 10491

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30471PA, CAP. SENSOR TESTER KIT INSTRUCTIONS

FAQ & Troubleshooting

• The capacitance sensor tester is not turning on.

o The battery may be low. Try replacing the battery.

• The capacitance sensor tester shows red momentarily

while adjusting the trip window gauge.
o This is normal behavior. The sensor and tester are

working properly.

• The capacitance sensor tester shows the sensor is

working correctly but the sensor doesn’t work when
assembled back into the A100/A200.
o This may be an indication that the A100, or A210

repeater is bad. Call Dixon Technical service for further
troubleshooting.

• The sensor tester changes states when touching it with

my hand.
o This is normal behavior. Your hand should be removed

while not adjusting the knob to prevent interfering
with the gauge’s capacitance.

Support

For questions, technical support, or to request an RGA to
return products for warranty inspection, please call our 24
hour technical hotline at [phone]

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30471PA, CAP. SENSOR TESTER KIT INSTRUCTIONS

dixonvalve.com

For Sales and Service Contact

Europe:
Dixon Group Europe Ltd.
Preston, England
Phone: [phone]
Fax: [phone]
Email: [e-mail]

Mexico:
Dixva, S. de R.L. de C.V.
Monterrey, N.L
Phone: [phone]-DIXON (34966)
Fax: [phone]
E-mail: [e-mail]

Canada:
Dixon Group Canada Limited
Innisfil (Barrie), Ontario
Phone: [phone]
Fax: [phone]
Toll Free: 877-963-4966
E-mail: [e-mail]

USA:
Dixon Bayco USA
Chestertown, Maryland
Phone: [phone]
Fax: [phone]
Toll Free: 800-355-1991
E-mail: [e-mail]

Asia Pacific:
Dixon (Asia Pacific) Pty Ltd Wingfield, South
Australia
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]