The Radiometer REF451 Reference Electrode has a glass body, calomel reference system, refillable electrolyte (sat. KCl in inner reservoir), double-junction, and porous pin junctions. The REF451 reference probe is recommended for measurements in challenging samples. The REF451 is a screw cap electrode and requires an external connection cable for connection to a meter.
Radiometer Analytical REF451 Reference Electrode (calomel reference, double junction, screw cap)
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Code: E21M005
- Manufacturer: Hach
- Hãng sản xuất: Hach
Kiểm tra giá Radiometer Analytical REF451 Reference Electrode (calomel reference, double junction, screw cap)

Radiometer Analytical REF451 Reference Electrode (calomel reference, double junction, screw cap)
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