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Product Overview
The RM520 unit is designed to be installed on a test station
consisting of a 3 inch riser post and a test head with one or
two attached reference cells. The test station must be
connected to the pipeline structure, with structure
connections terminated to the test head's connection panel.
Included Components
Bullhorn RM520C or RM520S
REL2502 relay
Relay installation hardware kit
RM520 wiring cable
2 test station cap spacers
RM520 Mounting Bracket
Security
RM520 units can be con gured with a unique security PIN. Once
set, the PIN is required to connect to the unit with the Bullhorn
Tools App. This security feature is NOT enabled by default. Refer
to the Bullhorn Web User Guide for details about enabling the
feature and setting a PIN.
© 2025 American Innovations, Ltd.
RM520 Installation & Con guration
Quick Reference Guide
Philips #s 1, 2, & 3 Screwdrivers
Flathead Screwdriver
Adjustable Wrench
Voltmeter
3/8" Hex Socket Wrench
Recommended Installation
Extra panel nuts
Extra washers (1/4-32)
Crimper (18-22 AWG)
Insulated spade terminals
Recommended Accessory
1 of 7
Required Tools
7/16" Combo Wrench
3/8" Combo Wrench
Bluetooth Enabled Mobile Device
Magnet (to activate Bluetooth)
Materials
14-16 gauge stranded wire
1/4-20 bolts
#8 and 1/4" ring crimps
Wire stripper and wire cutter
Sold Separately
Triton® Interruptible
Bond Test Station
Measurements:
Two Structure Pipe-To-Soil
Bond Current (with RM520 or
customer-supplied shunt)
Sales@aiworldwide.com
800-229-3404
Part No. 122268-000, Rev. 7
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Related Manuals for Bullhorn RM520
Summary of Contents for Bullhorn RM520
- Page 1 Product Overview 14-16 gauge stranded wire Extra panel nuts The RM520 unit is designed to be installed on a test station 1/4-20 bolts Extra washers (1/4-32) consisting of a 3 inch riser post and a test head with one or #8 and 1/4”...
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Page 2: Hardware Installation
If you have a -V shunt value, current is owing c Launch Bullhorn Tools on your mobile device. If your unit does not appear in from Pipe 1 to Pipe 2. If you have a +V shunt value, current is owing the window, swipe down to refresh the screen. - Page 3 +V Shunt value means current is owing from Pipe 2 to Pipe 1. WARNING: If wires are to be buried or covered, use conduit to protect the wires. March 2025 Bullhorn RM520 Installation & Con guration Quick Reference Guide 3 of 7...
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Page 4: Speci Cations
RM520 Installation & Con guration Quick Reference Guide Speci cations © 2025 American Innovations, Ltd. Part No. 122268-000, Rev. 7 7 of 7... - Page 5 +V Shunt value means current is owing from Pipe 2 to Pipe 1. WARNING: If wires are to be buried or covered, use conduit to protect the wires. March 2025 Bullhorn RM520 Installation & Con guration Quick Reference Guide 4 of 7...
- Page 6 Note: REL2502 users should not change the default shunt scaling factor in Bullhorn Web. WARNING: If wires are to be buried or covered, use conduit to protect the wires. March 2025 Bullhorn RM520 Installation & Con guration Quick Reference Guide 5 of 7...
- Page 7 Note: REL2502 users should not change the default shunt scaling factor in Bullhorn Web. WARNING: If wires are to be buried or covered, use conduit to protect the wires. March 2025 Bullhorn RM520 Installation & Con guration Quick Reference Guide 6 of 7...
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