Date Codes
Here are the serial numbers and date codes being used for various brands.
Serial numbers
Product | Serial Number |
---|---|
Timer boards | Ex. : E 51000 |
Flips | Ex. : E 51000 |
Blowers | Ex. : E 51000 |
T5 | Ex. : 0313 |
Digital ballasts | Ex. : HY |
Plug N Grow | Ex. : 061-14434 |
CO Burners Green Air | Ex. : E 51000 |
Date codes
Sylvania
6 digits date code (2 digits for the month, 2 for the day and 2 for the year)
Example: 012714 = January 27th 2014
Phillips
4 digits date code (1 number for the year, 1 letter for the month (letter A corresponds to January, etc.) and the 2numbers behind the "7N" is the week number when lamp is produced.
Example: 7N = production 2017 (7) in January (A)
Hortilux
Each date code consist of 5 digits. The first 3 digits represent the day of the year the product was made and the last 2 digits represent the year.
Example: code 35214 translates to the 352nd day of 2014
Sunmaster
Ballasts: The date code is supplied ont he label. The format would be E MYY - month is the month A = January, B=February, etc. The year is numeric and is the last 2 digits of the calendar year. 2015 is 15. E at the beginning indicates India manufacture.
Lamps: Located on the socket. The format would be MY (month & year). E or EE at the end indicates manufacture.
Lightspeed
6 digits date code (3 digits for the year, a letter for the month, and 2 digits for the day)
Example: 014L20 = 2014/December/20th