Specifications
Instruction Manual    Alpha DO 500 
38 
9. General Information 
9.1 Warranty  
This transmitter is supplied with a one-year warranty against significant deviations in 
material and workmanship from date of purchase and a six-month warranty for probe. 
Each instrument will have a warranty card with a specific serial number. The 
warranty card must be endorsed by the Authorized Distributor at the point of sale. 
If repair or adjustment is necessary and has not been the result of abuse or misuse 
within the designated period, please return – freight pre-paid – and correction will be 
made without charge. Thermo Scientific/ Eutech will determine if the product problem 
is due to deviations or customer misuse. 
Out of warranty products will be repaired on a charged basis. 
Exclusions
The warranty on your instrument shall not apply to defects resulting from: 
x  Improper or inadequate maintenance by customer 
x  Unauthorized modification or misuse 
x  Operation outside of the environment specifications of the products 
9.2  Return of Goods 
Authorization must be obtained from our Customer Service Department or authorized 
distributor before returning items for any reason. A “Return Goods Authorization” 
(RGA) form is available through our authorized distributor. Please include data 
regarding the reason the items are to be returned. For your protection, items must be 
carefully packed to prevent damage in shipment and insured against possible 
damage or loss. Thermo Scientific will not be responsible for damage resulting from 
careless or insufficient packing. A restocking charge will be made on all unauthorized 
returns. 
NOTE: Thermo Scientific reserves the right to make improvements in design, 
construction, and appearance of products without notice 
9.3  Guidelines for Returning Unit for Repair 
Use the original packaging material if possible when shipping the unit for repair. 
Otherwise wrap it with bubble pack and use a corrugated box for additional protection. 
Include a brief description of any faults suspected for the convenience of Customer 
Service Dept., if possible. 
9.4  Maintenance and Cleaning 
Maintenance 
The  lpha DO 500 Transmitter contains no user repairable components. Please 
contact Eutech Instruments or its distributor if there is any problem with the unit. 
Cleaning 
To remove dust, dirt and spots, the external surfaces of the DO Transmitter may be 
wiped with a damp, lint-free cloth. A mild household cleaner can also be used if 
necessary. 










