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PORTABLE HANDHELD PRODUCTS
In the barge industry, hand-held portable devices for testing level alarms and measuring cargo temperatures make monitoring precious cargo possible in any environment.
Bergan Marine Systems has a long history of engineering devices that are Intrinsically Safe, batteryoperated, and proven reliable in every category.
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For more than 45 years, the professional team at Bergan Marine Systems has been designing and manufacturing high-quality marine instrumentation and equipment built to the highest standards required to guard life, property, and the environment, and consistently exceeding expectations.
GUARD LEVEL® PAU
PORTABLE HIGH AND OVERFILL ALARM BOX FOR SERIES CONNECTED H AND HH LEVEL ALARM SENSORS
Portable Alarm Unit (PAU)
The GUARD LEVEL® PAU (Portable Alarm Unit) is a rugged portable solution for on-board alarm annunciation on inland and coastal river barges. The system monitors and raises alarms through series-connected alarm sensors and gives a unique warning for both HL and HH (Overfill) levels. This battery-powered unit plugs into existing tank barge API receptacles. Naturally, it complies with all CFR regulations for tank overfill control.


Unique features include an automatic by-pass switch allowing for seamless operation when connected to a tank terminal’s alarm system. In case of power failure or system failure, the switch automatically disconnects the PAU from the circuit and by-passes the seriesconnected sensors directly into the terminal’s alarm system. Battery status and power fail warnings are also included. And, the PAU can be used as a tandem load.
The PAU is designed to be located and operated in a barge “Safe” area, but all the sensor input and outputs are protected with galvanically isolated safety barriers for complete safety in most shipping locations.
DURABLE HIGH IMPACT MOLDED POLYETHYLENE CARRYING CASE
POWERFUL LED LIGHTS AND 117 DB. SOUNDERS
BUILT-IN BATTERY CHARGER AND PLUG
LCD BATTERY CHARGE STATUS INDICATOR
WORKS WITH ANY MAKERS SENSORS CONNECTED TO API RECEPTACLE WEIGHT 50LB
RECOMMENDED FOR SMALLER RIVER BARGES WITH NO ELECTRICAL POWER TANDEM BARGE LOAD CAPABILITY
GUARD LEVEL® PTU
PORTABLE HIGH AND OVERFILL ALARM TESTING UNIT FOR SERIES CONNECTED ALARM SENSORS

INDIVIDUAL LED INDICATION FOR SAFE AND ALARM CONDITION
Portable Testing Unit (PTU)
The GUARD LEVEL® PTU (Portable Testing Unit) is a rugged, compact, handheld, battery-powered HL and HH (Overfill) alarm tester for U.S. inland and coastal barges. This mobile device is ideal for verifying that the barge level alarms are in the correct working order before arriving at the terminal.

This unit has series-connected alarm sensors terminating in port and starboard API shore alarm connectors. The PTU’s LED indicators and dual-tone piezo buzzer activate when alarm sensors are tested.
ALARM SENSORS PRIOR TO LOADING AND CONNECTING TO TERMINAL SHUT DOWN SYSTEM
DUAL TONE PIEZO BUZZER
USER REPLACEABLE ALKALINE BATTERIES
DURABLE HIGH IMPACT MOLDED CONSTRUCTION
GUARD LEVEL® PTU-M
PORTABLE HIGH AND OVERFILL ALARM

Portable Testing Unit Mobile (PTU-M)
The GUARD LEVEL® PTU-M (Portable Testing Unit Mobile) is a rugged, handheld, battery-powered HL and HH (Overfill) alarm tester for U.S. inland and coastal barges. It is a useful tool to verify that the barge level alarms are in the correct working order before arriving at the terminal.
This unit has series-connected alarm sensors terminating in port and starboard API shore alarm connectors. Like the PTU, the PTU-M is equipped with LED indicators and a dual-tone piezo buzzer that activates when alarm sensors are tested, as well as an API plug and a 10-foot extension cord.


TESTING UNIT FOR SERIES CONNECTED ALARM SENSORS
WORKS WITH ANY MAKERS SENSORS CONNECTED TO API RECEPTACLE
INDIVIDUAL LED INDICATION FOR SAFE AND ALARM CONDITION
USER REPLACEABLE ALKALINE BATTERIES
DUAL TONE PIEZO BUZZER
8” (200MM) ANSI FLANGE LOADING TERMINAL
RECOMMENDED FOR TESTING PRIOR TO ARRIVING AT LOADING TERMINAL
API PLUG AND 10’ EXTENSION CORD
DURABLE HIGH IMPACT MOLDED CONSTRUCTION
GUARD LEVEL® PTDU
PORTABLE TEMPERATURE READOUT
Portable Temperature Display Unit (PTDU)
The GUARD TEMP™ PTDU (Portable Temperature Display Unit) is an Intrinsically Safe battery-operated temperature display device. When connected to the GUARD TEMP™ BCTU, it provides quick and easy tank temperature indication of up to three measurement points simultaneously.


The BCTU can be configured to display either degrees Fahrenheit or Celsius. With its gold-plated spring connector and coaxial design, the BCTU is easily connected/disconnected to the PTDU.
DEGREE F OR C
CERTIFIED INTRINSICALLY SAFE
USED TO READ TEMPERATURES FROM OUR BCTU
DISPLAYS UP TO 3 SENSORS SIMULTANEOUSLY REPLACES MESSY MANUAL THERMOMETERS WITH CLEAN ACCURATE TEMP GAUGING
CLASS 1, DIV. 1, GROUPS C & D