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Stationary ultraviolet and white light lamp Tetra-M

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Tetra-M lamp functions as a source of UV radiation for non-destructive testing of products using luminescent materials and as a source of white light when using monochrome materials (dye penetrant, black magnetic powder).

A unique feature of the lamp is the ability to adjust the intensity of visible and UV light in accordance with the requirements of GOST 18442-80. There are currently no similar technical solutions on the market.

	Conditions for visual detection of linear indications of defects (with an indication width to defect opening width ratio of 10:1)
Sensitivity class	Ultraviolet illumination when using luminescent methods (L – luminescent, LD – luminescent and dye penetrant, FL – filtered and luminescent, FLD – filtered, luminescent and dye penetrant)		Illumination (lx) when using dye penetrant and brightness methods (D – dye penetrant, B – brightness, FD – filtered and dye penetrant) for:
			fluorescent lamps		incandescent lamps
	RU	μW/cm²	combined	total	combined	total
I	300^-100	3000^-1000	2500*	750	2000*	500
II
III	150±50	1500±500	2000	500	1500	400
IV	75±25	750±250	750	300	500	200
Process-related	Up to 50	Up to 500

*In case of the dye penetrant method with diffusion development, it is permissible to accept values of 4000 and 3000 lux, respectively.

Key features:

Adjustable UV radiation intensity of up to 6000 μW/cm² and additional visible light are of all-purpose use.
High-quality LEDs of this lamp allow for continuous use of the lamp for more than 8 hours, which makes it an excellent solution for work in stationary installations or workplaces.
The peak intensity of UV light is reached when the lamp is turned on and is stable throughout the entire period of operation.

Main design features:

Resistance to any conditions provided by sealed and shockproof housing.
Silent operation without a fan due to passive cooling.
Uniform illumination throughout the entire service life provided by no-turbidity lens.

Tetra-M lamp fully complies with the requirements of GOST 56512-2015, GOST 53700-2009 and RTM 1.2A.020-2011, since all stated parameters of UV light intensity refer only to spectrum A. The share of spectra B and C in aggregate is less than 0.1%, which makes this lamp as safe as possible for the consumer: the intensity of white light in UV light is less than 20 lux.

A stationary UV lamp with a wavelength of 365 nm provides for illumination of the control area of at least 2000 μW/cm².

Characteristic	Value
Light source: – UV LEDs, pcs – White light LEDs, pcs	8 8
Wavelength with peak radiation, nm	365±5
UV radiation intensity range, μW/cm²	from 300 to 6000
Spot diameter with UV irradiation intensity of at least 1000 μW/cm², at a distance of 38 cm from the source, mm (min.)	450 by 320
Spot diameter with UV irradiation intensity of at least 2000 μW/cm², at a distance of 38 cm from the source, mm (min.)	370 by 260
Visible spectrum illumination in UV irradiation mode at a maximum UV value, lx (max.)	20
Supply voltage, V	220
Light source housing	Aluminum alloy, plastic
Product dimensions (length × thickness × height): – Light source, mm – Control unit, mm	334 × 120 × 161.5 142 × 80 × 81
Product weight: – Light source, kg (max.) – Control unit, kg (max.)	3.4 0.3
Operating conditions – ambient temperature, °C – relative humidity at 35 °C, % (max.) – atmospheric pressure, kPa	-20 … +50 95 70 … 106.7