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Use this procedure to replace faulty sensors.
Read and understand all instructions
(including those for the heat gun and solder
sleeve) before performing this procedure.
If you have any questions, contact your
EGI support engineer at 1-800-970-6670 or
supportteam@egi.com.
Use this procedure on not more than 20% of the
sensors in a Net (i.e., 6 of 32, 12 of 64, 25 of 128,
or 51 of 256). Contact EGI regarding any Net that
requires additional repair.
To ensure that you do not damage your Net, use this procedure only:
•
on Nets containing standard, nonshielded, CANSL-compatible sensors;
•
on one sensor at a time;
•
in a designated heat-safe work area; and
in a well-ventilated area.
•
Step 1 – Replace the Sensor in the Net
Before starting, recognize the parts of a sensor:
HydroCel Geodesic Sensor Net™
Figure 1. Parts of a sensor
Replaceable Sensors
User Instructions
8406306-53 (20181210)
Needed Kit Supplies
Wire strippers
Heat gun
Wire splicing fixture
Heat resistant pad
Pipette
Bucket
Replacement electrodes
Tyco solder sleeves
Replacement sponges
Replacement stickers
Instructions
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Related Manuals for EGi HydroCel Geodesic Sensor Nets Series
Summary of Contents for EGi HydroCel Geodesic Sensor Nets Series
- Page 1 Replacement sponges sensors in a Net (i.e., 6 of 32, 12 of 64, 25 of 128, Replacement stickers or 51 of 256). Contact EGI regarding any Net that Instructions requires additional repair. To ensure that you do not damage your Net, use this procedure only: •...
- Page 2 8 Select the first sensor to be replaced, but before replacing the sensor, check the Net's connector for bent pins. If the corresponding pin is bent, do not replace the sensor. Instead, contact EGI for repair of the pin. 8 For sponged Nets: before remove the sponge removing its pedestal foot.
- Page 3 User Instructions for Replacing Sensors 8406306-53 Place a replacement sensor (with the correct label) through all the layers of the vacated eyelets of the elastomer bands. Secure the replacement sensor in the bands by, first, replacing the pedestal foot from step 1-4, and second, for sponged Nets, inserting a new sponge.
- Page 4 User Instructions for Replacing Sensors 8406306-53 Using the provided wire strippers, cut the wire about 1 inch inside the sleeve. Note: Stagger the splice points, if there is more than one. This will prevent bunching inside the sleeve. Thread the replacement sensor’s wire through the...
- Page 5 User Instructions for Replacing Sensors 8406306-53 Slip a solder sleeve at least 1 inch up the wire of the replacement sensor before stripping the end of the wire. Step 3 – Strip the Wire Ends Using the 26/28 hole of the wire strippers, do the following: Remove 12.5 mm to 15 mm (0.5 in.
- Page 6 User Instructions for Replacing Sensors 8406306-53 Step 4 – Splice the Wire Ends Together Twist the wire strands as follows: a) Align the strands of stripped wires (from the sensor and from the sleeve) such that all strands are parallel. b) Carefully twist the strands together.
- Page 7 User Instructions for Replacing Sensors 8406306-53 Properly place the wires to be soldered in the wire holding jig as follows: a) Place the heat resistant pad over the Net’s wires. b) Place the wire holding jig on the pad and ensure that it is stable.
- Page 8 User Instructions for Replacing Sensors 8406306-53 Solder as follows: a) Attach the nozzle to the provided heat gun. b) Set the heat gun to HOT. c) Hold the heat gun steady about 1 inch away from the solder sleeve. DO NOT wave the heat gun back and forth.
- Page 9 User Instructions for Replacing Sensors 8406306-53 Safely set the heat gun down away from the Net and anything that could be damaged, then let the heated solder sleeve, heating tools, and wire splicing fixture cool. After the solder sleeve has cooled, carefully tuck the soldered sensor wire back into the split wire sleeve.
- Page 10 User Instructions for Replacing Sensors 8406306-53 For questions or additional assistance, please contact us at: Electrical Geodesics, Inc. (EGI) 500 E 4th Avenue, Suite 200 Eugene, OR 97401 USA +1.541.687.7962 supportteam@egi.com www.egi.com...
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