Calibration：
The 165 transducer is calibrated in vertical mounting position at the factory, there might be a zero shift when
using in other positions, zero adjustment is accessible under the small cap of the unit.
Zero Adjustment：
While monitoring the output of the unit and with both pressure ports open to atmosphere, the zero may be
adjusted by turning the zero adjustment screw to:
Voltage Output:
Unidirectional Pressure Ranges: 0VDC
Bidirectional Pressure Ranges: 2.5VDC or 5.0VDC
Current Output:
Unidirectional Pressure Ranges: 4mA
Bidirectional Pressure Ranges: 12mA
RETURNING PRODUCTS FOR REPAIR：
Please contact Alpha Instruments before returning unit for repair to review information relative to your application.
The material should be carefully packaged and shipped prepaid to:
Alpha Instruments Inc.
131 Nonset Path
Acton, MA 01720, USA
Attn: Repair Department
To assure prompt handling, please supply the following information and include it inside the package or
returned material:
1Name and phone number of person to contact
2Full description of the malfunction
3Identify any hazardous material used with product.
Notes: Please remove any pressure fittings and plumbing that you have installed and enclose any required
mating electrical connectors and wiring diagrams. Alpha Instruments will repair and return of the unit as
soon as possible. Non-warranty repairs will not be made without customer approval and a purchase order to
cover repair charges.
LIMITED WARRANTY AND LIMITATIONOF LIABILITY：
Alpha Instruments warrants its products to the original consumer purchase for a period of three years from the
date of sale, as shown in Alpha Instruments’ shipping documents.
Within the warranty period, Alpha Instruments will repair or replace products found to be defective in materials or
workmanshipfree of charge, if the following conditions meet:
a) the product has not been subjected to abuse, neglect, accident, incorrect excitation, improper installation or
servicing.
b) the product has not been repaired or altered by anyone except Alpha Instruments.
c) the serial number or date code has not been removed, defaced or otherwise changed.
d) Alpha Instruments is notified in advance of and the product is returned to Alpha Instruments transportation
prepaid.
Alpha Instruments’ liability for breach of warranty is limited to repair or replacement, or if the goods cannot be
repaired or replaced, to a refund of the purchase price. Alpha Instruments’ liability for all other breaches is limited
to a refund of the purchased price. In no instance shall Alpha be liable for incidental or consequential damages
arising from a breach of warranty, or from the use or installation of its products.
No representative or person is authorized to give any warranty other than as set out above or to assume for
Alpha Instruments any other liability in connection with the sale of its products.
E-mail: sales@alphainstruments.com
SS165 Rev. 1
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