Kalibrierung pH Tester Kit
Klik op de link voor instructiefilm: Kalibrierung pH Tester Kit
Replacement-probe for ORP 5 Tester for REDOX and pH | |
Calibration solution Redox/ORR 200 mV, 250ml, with N.I.S.T - certificate | |
Calibration solution Redox/ORR 475 mV, 250ml, with N.I.S.T - certificate | |
Calibration solution Redox/ORR 475 mV, 500ml, with N.I.S.T - certificate |