Code : No. 6420-00 (Model: SK-660PH). No. 6429-00 (Model: SK-661PH), No. 6430-00 (Model: SK-662PH)
Brand : Sato
Sato Pen Type Digital pH Meters
No. 6428-00 (Model: SK-660PH). No. 6429-00 (Model: SK-661PH), No. 6430-00 (Model: SK-662PH), 6401-00, 6402-00, 6403-00, 6404-00, 6401-10, 6402-10, 6403-10, 6404-10