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Installation Procedures for the InstroTek Universal Base
June 24 2013
The UBB is designed as an easy replacement for Troxler models 3411, 3430, 3440
baseboards as well as the InstroTek 3500. Certain tools are required to install and setup
the UBB for it to function correctly. The InstroTek warranty on this product requires that
only authorized, trained service personnel familiar with these types of products conduct
the installation and setup. Once the UBB is installed, the gauge should be re-calibrated or
verified according to ASTM D2922.
Model 3401 and 3411 Baseboard Installation are covered in Section A
Model 3430 and 3440 Baseboard Installation are covered in Section B
InstroTek Model 3500 Baseboard Installation are covered in Section C
Electronic Adjustment and Setup Procedure are covered in Section D
Tools Required:
• Soldering iron and solder
• De-soldering iron or solder remover (3411 only)
• Phillips screwdriver
• 5/16" nut driver
• Small jewelers screwdriver or Potentiometer adjusting screwdriver
• Oscilloscope
• Digital multi-meter (DMM)
• High voltage probe
SECTION A – Installing the UBB in a 3401 or 3411 Gauge:
Use the following parts from the existing 3411/3401
gauge along with your new UBB to complete this
task
1- GM tube holders and screws(2)
2- GM tubes with nylon spring supports and
springs (2 each)
3- He3 tube (1)
4- metal base plate (1)
5- Copper grounding spring (2)
6- Curved He3 tube support and screw (1each)
7- Screws and washers that attach circuit board
to metal plate.
8- Screws and washers that attach baseboard
assembly to gauge
Board (UBB)
1
Fig.2
Fig. 1
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Related Manuals for Troxler 3401
Summary of Contents for Troxler 3401
- Page 1 Board (UBB) June 24 2013 The UBB is designed as an easy replacement for Troxler models 3411, 3430, 3440 baseboards as well as the InstroTek 3500. Certain tools are required to install and setup the UBB for it to function correctly. The InstroTek warranty on this product requires that only authorized, trained service personnel familiar with these types of products conduct the installation and setup.
- Page 2 Disassembling the existing baseboard: 1. Turn off the gauge and place the gauge on a standard block. Remove the top shell, disconnect the batteries, discharge the high voltage and remove the existing baseboard and metal plate assembly. 2. Remove the He3 tube from the assembly by removing the curved support bracket and then pulling the tube downward away from Fig.3...
- Page 3 “3411” “3430” or “3440/ 3500” switches. 4. To configure the UBB for operation as a Fig 6b 3401/3411baseboard, only the group of jumpers marked as 3411 switches need to remain shorted by means of the jumpers. Carefully remove all of the jumpers from...
- Page 4 SECTION B – Installing the UBB in a 3430 or 3440 Gauge: NOTE: In addition to the UBB, the UBB Base Board Kit, part #1520103, is required to replace baseboards in Troxler Model 3430 and 3440 gauges. The Base Board Kit Includes: 1.
- Page 5 pulling the tube downward away from the existing baseboard. 3. Remove the screws securing the plastic GM tube holder. (Fig 10) 4. Carefully remove the GM tubes by prying them out of the connectors with a small flat screwdriver. Assembling the new UBB baseboard: 1.
- Page 6 11. Reinstall the He3 tube and mounting bracket. 12. Place the complete UBB assembly back into the gauge and secure it. 13. Connect the batteries and scaler to the UBB. 14. For 3440 gauges connect the depth strip to the header on the upper edge of the UBB. Fig.
- Page 7 5. Before installing the metal UBB cover verify the setup procedure in Section D. SECTION D - Electronic Adjustment and Setup Procedures 1. Place the gauge on the standard block. Turn on the gauge. Setting up the moisture signal: 2. Set the oscilloscope to 200 mV scale, ac coupled and very small µsec(s) time base.
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