[Acoustics] preventive maintenance schedule for WorkHorse ADCPs

[Maaijer, S.T.E.P.H. de (MIL-RIKZ)]

Hello,
Can anyone advise me on the preventive maintenance schedule for the RDI
WorkHorse ADCP?
At the moment our WorkHorse ADCPs are checked once every 1.5 year. 
I'm wondering if this period can be prolonged to 3 years (since the CPU
battery doesn't need replacement every 1.5 year).
I'm interested in other users preventive maintenance cycles and the pros and
cons of a longer maintenance interval.
Best regards,
Stephany de Maaijer


Mrs. S.T.E.P.H. de Maaijer B.Sc
Hydrometric Consultant
Ministry of Transport, Public Works an Water Management
Directorate-General of Public Works and Water Management
Nat. Inst. for Coastal and Marine Management/RIKZ 
tel.: +31 70-311 4539 
fax: +31 70-311 4600 
e-mail: s.t.e.p.h.dmaaijer at rikz.rws.minvenw.nl
P.O.Box 20907 
2500 EX The Hague
The Netherlands



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