Ceramic Metal Halide (CMH) or LEC lamps have a higher proportion of blues and reds than other high pressure sodium (HPS) or metal halide (MH) lamps. This makes the growth and flowering process of the plants more natural as the spectrum is more similar to sunlight.

The MARI CMH LEC 315 W lamps are indicated for plants where a complete spectrometry is required. Due to their lower power, they are indicated for small growing areas or in laboratories, with 80 cm² per unit.

Their operation requires a special ballast for low frequency CMH LEC 315 W lamps to obtain the best performance, but they are also compatible with high frequency ballasts. CMH lamps should not controlled at powers other than those for which they have been designed.

This lamp is available in two different colour temperatures:
3000K: indicated for complete development processes when flowering is increased.
4200K: indicated for complete developments in which the vegetative and flowering stages are balanced.

They are both mixed lamps and can be used to perform the full cycle, from rooting or germination, to vegetation and flowering, from the start to the end of production.

CMH or LEC lamps offer a more homogeneous light spectrum than sodium lamps. This favours the improved development of the secondary metabolites; alkaloids, terpenes and phenols.

The MARI CMH LEC 315 W lamps are installed on reflectors with PGZ18 lamp-holders or on E40 reflectors using an adapter.

Relevant Features

  • CMH or LEC lamps have a broader colour spectrum range than sodium lamps.
  • A broader spectrum means greater quality in the final product of the plants.
  • They are indicated in plants in which a full spectrum is needed.
  • The light spectrum is more homogeneous than in sodium lamps.
  • They favour an improved development of secondary metabolites: alkaloids, terpenes and phenols.

MARI CMH 315 W 3000K

  • 3000K. Spectrum recommended for processes in which flowering is increased.

MARI CMH 315 W 4200K

  • 4200K. Spectrum recommended for processes with a balanced vegetative and flowering development.

Technical Specifications

  • AC Input Power 315 W
  • AC Input Voltage 220 V
  • AC Current1.45 A
  • Pulse Start3.5-5 kV
  • Frequency< 400 Hz
  • High FrequencySupported
  • Re-start Time10 minutes
  • Lamp-holderPGZ18
  • Diameter38 mm±2
  • Maximum Length194 mm
  • Maximum Temperature of Lamp-holder250 ºC
  • Maximum Temperature of Lamp350 ºC
  • Type of LuminaireOpen
  • Operating PositionHorizontal ±15º
  • CertificationsCE, ROHS



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