Categories: Navigation

EPIRB-TRON 40VDR CAPSULE WITH BRACKET

Jotron Tron 40VDR Float Free Capsule is a combined Cospas-Sarsat and MED approved Float Free Emergency Position Indication Radio Beacon (EPIRB) and a float free storage medium. The separate VDR storage module contains a standardized memory capacity at 64Gb. Complies to the latest VDR performance standards IMO MSC.333 (90) and IEC61996-1 Ed.2.

General Descriptions

The Tron 40VDR is emergency equipment consisting of :

Tron 40VDR Cospas-Sarsat emergency EPIRB.
FB-40 Automatic float free bracket.
VDR storage module.

The Tron 40VDR EPIRB is developed to meet the regulations and rules for use on vessels and life rafts in the maritime service. Tron 40VDR meets the following specifications for 406 MHz EPIRBs for use in search and rescue operations at sea.

EPIRB-TRON 40VDR CAPSULE WITH BRACKET

TRON 40VDR

The Tron 40VDR is buoyant and have water activation contacts which will start DISTRESS transmission if deployed into water. Tron 40VDR is delivered with a float free bracket. The bracket prevents DISTRESS transmission if water spray are applied to the EPIRB.

The Float free bracket, FB-40 is a covered bracket with an hydrostatic release unit (HRU) which will release the Tron 40VDR if the bracket is submerged to a depth of 2-4 meters if the ship are about to sink.

The purpose of the Tron 40VDR is to give a primary alarm to the search and rescue authorities. The EPIRB gives an immediate alarm when activated, transmitting the ID of the ship in distress. Care must be taken not to activate the EPIRB unless in an emergency situation, in such cases the user will be held responsible. For periodic testing a test function is implemented. During the test cycle the EPIRB does a selftest on the transmitters and on the battery status. No emergency signal is transmitted during the self-test.

The battery of the EPIRB will last for at least 168 hours from activation of the EPIRB.

EPIRB Control Functions

EPIRB CONTROL FUNCTIONS

System Descriptions

The Cospas-Sarsat system was introduced in 1982 as a worldwide search and rescue system with the help of satellites covering the earth’s surface. Since the introduction of the system more than 28000 persons have been rescued by the Cospas-Sarsat system (2009). Currently, the system consists of 5 functional satellites in a polar orbit constellation, these satellites cover the entire earth’s surface and receive the emergency signal from the 406 MHz transmitter within the Tron 40VDR, more polar orbiting satellites will be available in the future, giving a faster location and rescue time.

In addition, several geostationary satellites are equipped with a 406 MHz transponder, these satellites will receive the GPS position from the Tron 40VDR and give an early warning to the rescue forces, minimizing the time from an emergency occurs till the rescue forces are at the site.

Each emergency EPIRB in the system is programmed with its own unique code, therefore it is vital that the ships data that is given to the dealer you obtained your Tron 40VDR, is correct. It is also important that your EPIRB is registered in the database for each country. This database is normally located in the same country that the ship is registered.

Dimensions

EPIRB Dimension

Technical Specifications

General

Battery : Primary Lithium-Thionyl Chloride, 7.2V/ 18Ah, 5 years service life.
Housing material : Glass reinforced Polycarbonate.
Dimensions :
Weight : 1.9 kg.
Height : 400 mm.
Max diameter : 200 mm.
Compass safe distance : 0,8 m.
Temperature operating : -20°C to + 55°C (-4°F to +131°F).
Temperature storage : -40°C to + 70°C (-40°F to +158°F).
Operating life : Minimum 168 hours at -20°C.
Lanyard length : > 5 meters.
Breaking strength : > 25 kg.

Cospas-sarsat Transmitter

Frequency : 406.037 MHz ± 2 ppm.
Output power : 37dBm ± 2 dB.
Protocols : Location protocols : Maritime and serialized.
Modulation : Phase modulation : 1.1 rad ± 0.1 rad.
Data encoding : Bi Phase L.
Stability: Short term : ≤ 2 x10e-9 Hz.
Medium term : ≤ 1 x10e-9 Hz.
Residual noise : ≤ 3 x10e-9 Hz.
Bit rate : 400 b/s
Antenna : Built in, omnidirectional.

Navigation Device

Type : 22 Channel GPS Receiver.
Antenna : Chip type.

Homing Transmitter

Frequency : 121.500 MHz.
Output power : 17 dBm ± 3dB.
Modulation : A9, AM sweep tone between 300Hz and 1600Hz.
Sweep range/rate : 700 Hz / 2.5 Hz.
Stability : 10 ppm over temperature range.
Antenna : Built in, omnidirectional.

Brackets

Materials : Glass reinforced polycarbonate / Glass reinforced nylon.
Dimensions (H/L/W) : 215mm / 553mm / 236mm.
Weight : 2.9 kg.
Release mechanism : Jotron HRU kit (part. no. 86218).
Temperature operating : -40°C to + 70°C (-40°F to +158°F).
Temperature storage : -40°C to + 70°C (-40°F to +158°F).

Battery Data Sheet

BATTERY SAFETY DATA SHEET EPIRB

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