Light For Me - 4 TEC LED Torch (5hrs)

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5 hour version of the UK-Bestseller Light For Me 4 TEC Torch is a technical divers' dream for underwater communication boasting a powerful penetrating beam that burns through low visibility conditions. 

5 hours of burn-time on full power and a powerful 10% beam option, this torch is an ideal UK weekender easily covering two to four dives a day as well as exceptional exposures. The 4 Tec uses the same crees as the LFM 7XRE technical but has a more compact and conventional light-weight head and three less (total of 4) LEDs.

Details
SKU	LFMTEC45
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£485.00
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Description

LFM 4TEC is designed with the technical diver in mind. A low profile LED head is complemented by a low profile canister both in the 3 and 5 hour full burn-time versions. A very narrow beam compares to the output of even a more powerful HID. The torch is ideal for low visibility technical diving environments where a beam angle of <12 Degrees is called for. This allows for proper signalling and visibility.

The difference: 4TEC less lumen but more light in a smaller zone (i.e. more light in a square metre) and 7XPG more lumen but wider distribution of light and beam. Divers who want a slightly wider beam for general purpose use, lighting larger areas, would benefit from the 4TEC's brother the LFM 7XPG which has 7 smaller crees but boasts 2800 lumen at 6500 kelvin at a 12 degree angle.

Light source:  4 CREE XRE LEDs bin R2 8300K

Light beam: 1200 lumens altogether

Power supply: NiMH battery pack of 14,4 V and 3hr or optional 5hr burn time (1 hour should be left for emergency use only as draining the battery completely will result in battery damage)

Control: advanced step up / down converter

Two modes of light: 100% and 10%

Housing: Made from anodised construction aluminium

Protective cover for the canister made from Codura

Switch: Rotary magnetic switch

Charger:

110 – 220V, also for use in the USA and Mexico, microprocessor control, detects charging (delta V)

Power: 18 W

 

BATTERY PROTECTION MODULE
Operating method (on example of 24V battery pack): When the power supply is on, the module automatically recognizes the battery pack type (24V / 14.4V) and loads proper parameters from settings memory. Next it switches to „standard” operating method in which it regularly measures battery pack voltage (30 samples every 1 sec).

a)    Charging
During the charging process, when the maximum voltage is exceeded (28.6V), the charging entry is disconnected. The charger is still able to measure the battery pack voltage so its working stays undisturbed. Connecting the charger again and supercharging the battery pack is possible after the battery pack voltage is lowered to 27.1V (max hysteresis).

b)    Discharging
During the usage of the battery pack (discharging process), its voltage gets gradually lower until the value of 21.5V. At this point the protection module indicates getting to the complete battery pack discharge level by flashing the light for 5 times (temporary stops in circuit load).(Upon reaching the minimum voltage level (20.0V) the load gets completely disconnected  in order to protect the battery pack against deep discharge.(Connecting the load again is possible only after charging the battery pack to voltage of 21.5V (warning of discharge).((The process of charging and discharging for 14.4V battery pack proceeds in a similar way, the module reacts to the voltage values shown in the table above.

Dimensions:

Head:

max diameter: 69mm

min diameter: 56mm

length: 70mm

Goodman handle

width: 105mm, min height: 20mm, max height: 75mm

 

Cable:

length: 110mm

diameter: 10mm

number of wires: 4

metal shield, polyester inside line

 

Canister:

max diameter: 72 mm

min diameter: 76 mm

length: 200 mm

Charging base with RCA joint, pressure fuse in the lower lid

Available with optional Protective Torch Case

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DirDirect is a world-leading online dive shop run by Underwater Explorers based in Portland, Dorset, UK. Underwater Explorers is a dive centre with a striking difference. It was born out of the concept of "Hogarthian" diving, safe and streamlined equipment configuration, using the most robust products available for recreational and technical diving -- but at the same time, keeping it simple. It is based on the concept of "less is more" in diving and acts as an equipment outlet, training facility and source of sound advice.