Image Not Available
The 425 provides one alkaline D-cell battery. Products that use alkaline D cells include our OBS-3A Turbidity & Temperature Monitoring System, BPALK Battery Pack, and the alkaline battery base of a CR3000, CR23X, or 21X datalogger. For the OBS-3A, the batteries are purchased separately. The batteries are shipped with the other products.
425 is listed under Common Accessories for the following products:
425 is listed under Replacement Parts for the following products:
425 is shipped with the following:


