OVERVIEWLutron YK-2001PHA One meter for multi purpose operation: pH/ORP, CD/TDS, Dissolved Oxygen, Salt measurement
pH/ORP, DO, CD/TDS, SALT METER / MULTIPARAMETER WATER QUALITY RECORDERModel : WAC-2019SD
APA BEDA EZ-9909 & EZ-9909AEZ-9909A, DISPLAY ADA BACKLIGHT/LAMPU SEDANGKAN EZ-9909 DISPLAYNYA TIDAK ADA BACKLIGHT, JADI EZ-9909A BISA DI PAKAI PADA MALAM HARIEZ-9909A 5 in 1...