Lab Ph Meters SX625 Eplacement PH Pobe Fo SX620 PH Pen - APEA INSTUMENTS Cosmetic Thermometer Iron 280 Club Lightweight Stationary Chiropractic Professional Therapy Table ; FREE delivery July 7 - 8. Details ; Shipped & Sold by. Toa Supply (USA SELLER Its 10 mm diameter probe allows measurement in most test tubes, making it perfect for educational use as well as other general water solution's pH measurement, such as hydroponics, aquaculture, pool & spas, small volume sample like saliva and urine, water treatment, environmental monitoring, etc. PH20 Value pH Pocket Tester | Apera Instruments It has a measurement range of 0 to 14. 00 pH and 0 to 50°C(32-122°F). Works well for 12-24 months under proper use and maintenance Slim probe design (10 mm diameter), great for test tube and small-volume samples e. g. saliva, urine, etc. 0 - 14. 00 pH, 0 - 50°C (32-122°F) Built-in temperature sensor for automatic temperature compensation Apera Instruments AI1213 pH Pen Tester, Replacement Probe for Sx610. 3.53.5 ... Apera Instruments SX625 PH Electrode for SX620 pH Meter. 3.63.6 out of 5...