User Manual

Monogram and Manufactured
Date Code Interpretation
M T 400 D / HOR / HTL
Identifies type of lamp:
M: Metal Halide Lamp
Identifies type of blub:
T: Tubular bulb
R: Reflector Bulb
Identifies lamp wattage Identifies feature of lamp
B: Lamp Arctube Voltage
D: Daylight 6500K
LU: Conversion to HPS
Identifies burning position
U: Universal
BU: Base Up
BUD: Base Up or Down
HOR: Horizontal
BUH: Base Up to Horizontal
HTL: Horticulture
Identifies type of lamp:
LU: High Pressure Sodium Lamp
LUR: Reflectorized High Pressure Sodium Lamp
NH: High Pressure Sodium Conversion Lamp
NHT: High Pressure Sodium conversion Lamp
with tubular bulb
LU 400 S / HTL / EN
Identifies lamp wattage HTL: Horticulture
Identifies feature of lamp
EN: Environmental Friendly
S: High Efficacy
Metal Halide Lamp Monograms
High Pressure Sodium Lamp Monograms
HORTILUX SUPER HPS
LU1000B/HTL/EN
66785 S52 USA 236 11
The monogram and date of manufacture are located
toward the base of the lamp on the bulb itself.
‘Julian’ Date Code
Date of manufacture reads: 236 11
Meaning the 236th day of 2011 = August 24, 2011
Monogram Color
A new lamp will have a BROWN monogram. After ten hours of burn time the mono-
gram will turn ORANGE.