Weems and Plath Classic Barograph User Manual
WEEMS & PLA TH® CLASSIC BAROGRAPH
Model #410-C
Replacement Parts:
#451 Felt Tip Cartridge Pen
#DIA121 Barograph Charts, Inch (1 yr. supply)
#410-C Glass Small glass panels
#410C Glass Lg Large glass panels
Technical Data
(2) Recording Drum with 7-days Diagram (176 h). QUARTZ
movement, “AA” battery 1.5 Volts mignon cell. Working time one
year or longer.
Operating Instructions
To open: Pull button (1) and lift hood.
Lift Recording Drum (2) and insert battery.
Insert or replace Diagram (3). First put recording arm (4) off by
turning lever (6). Now take off clip (7) and wrap diagram around
drum with both ends overlapping under the clip. Turn drum to
exact time position under stylus. It is advisable to use new diagram
every Monday and to readjdust time setting.
Recording Arm (4) is fitted with a Fibre Pen. To replace pen pull
forward. Replacement will be necessary after approximately 12
months or after prolonged period of idleness.
Altitude Adjdustment: The barograph will be adjusted to local
air pressure through adjusting wheel (8), placed behind diaphragms
(5). It is advisable to take correct position from a control barometer
from your local radio station.
Screw turned to the right -- stylus will move upwards.
Screw turned to the left -- stylus will move downwards.
Stylus Damping (9) is recommended as a supplement when the
instrument is used on board of a naval vessel. Cylinder (9) must
be filled to 2/3 of it’s total height with the oil supplied together with
the instrument. Replace cap on cylinder.
Barographs with stylus damping are fitted with a screw socket
beneath the base plate. With a matching screw (M8) the instrumet
can be firmly fastened to a mounting board or table.
(3) Diagram for 7-day recording. Basic supply 53 diagrams (1year requirement).
(4) Recording arm with fiber pen, exchangeable.
(5) 4 diaphragms
(9) Stylus damping (supplement)
LIMITED NEW PRODUCT WARRANTY
Your Weems & Plath® instrument is warranted against defects in material and workmanship for two (2) years from the date of original
purchase. In the event of any such defect, return the instrument postage prepaid along with proof of purchase and an explanation of the
defect to the address set forth above and it will be repaired or replaced at our option and our expense. Any defect caused by misuse,
accident, tampering, or negligence of the user is not covered by this warranty . The rep aired or replaced instrument will be returned to you
postage prepaid.
NOTE: If your instrument is battery operated, movement damage caused by battery leakage is not covered under this warranty.
All implied warranties covering merchantability, fitness for particular purpose, or otherwise are limited in duration to two (2) years from
the date of original purchase. The repair or replacement of any defect is the exclusive remedy under this warranty. In addition, the
warrantor shall not, under any circumstance, be liable or responsible hereunder for consequential, incidental, indirect, or special damages.
Note that some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or
consequential damages, so the foregoing limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and
you may also have rights which vary from state to state.
NOTE: Package carefully as Weems & Plath® cannot be responsible for damage in transit. Include a note describing the problem,
your phone number, mailing address, and proof of purchase if claiming warranty.
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