LASER TUBE PRODUCTS
Parallax Technology, Inc. (Parallax), warrants to the original purchaser of each new CO2 laser tube of its own design and manufacture, that the laser tube is free from defects in material and workmanship . The obligation of Parallax, under this warranty is limited, at its option, to repair or replace parts and materials which prove to be defective under normal use and service, for a period of one year from the date of shipment, unless otherwise stated by Parallax.
OUT PUT POWER WARANTYParallax Technology, Inc. (Parallax), warrants to the original purchaser of each new CO2 laser tube of its own design and manufacture, that the output power of that laser shall not go below 80% of its rated value during the first 48 months of its shipment.
The obligation of Parallax, under this warranty is limited to refill the laser tube free of charge to the original customer.
We request that the purchaser obtain Return Authorization from Parallax and return the merchandise, postage prepaid and through "acceptable shippers"*, to Parallax Technology, Inc.
* Please contact Parallax Technology for a list of "acceptable shippers" and other shipping questions.
Units manufactured by others and included in, or supplied with, our laser tubes are not covered by this Warranty but carry the original manufacturers' warranty which is extended to our customers and maybe more restrictive.
The happening of any one or more of the following events will serve to void the warranty:
1. Damage due to improper operation, negligence, alteration, modification or improper installation.
2. Damage due to abuse or misuse by operator or purchaser.
3. Damage due to attempted or actual dismantling, disassembling, service or repair not specifically authorized by Parallax or
4. Damage due to accidents or other causes beyond Parallax's control.
ClaimsFor claims relating to damage in transit and / or non-performance, please see below.
I. Damage in Transit. Upon arrival at the purchasers facility, all laser tubes should be inspected for obvious damage and /or breakage. If a laser tube has been damaged in transit, the transporting carrier must be notified immediately. You should also notify Parallax.
All of our prices are 'listed' FOB origin.
The above 'payment or transportation options' determine which party has what liability.
Please see definition of Payment /
Transportation Options for a full discussion of the
II. Other Claims. Claims for non conforming or 'defective-upon-arrival' product must be made by calling or by writing within 15 days after delivery to the purchaser and any claims not made within that period shall be deemed waived and released.
We reserve the right to make changes in design at any time without incurring any obligation to install the same on units previously purchased.
IN NO EVENT SHALL PARALLAX BE LIABLE FOR ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES DUE TO ANY CAUSE WHATSOEVER.
THE FOREGOING CONSTITUTES OUR SOLE LIABILITY AND THE PURCHASER'S SOLE REMEDY WITH RESPECT TO PRODUCTS SOLD BY US. EXCEPT AS THUS PROVIDED, WE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. NO PERSON, FIRM OR CORPORATION IS AUTHORIZED TO ASSUME FOR PARALLAX TECHNOLOGY, INC. ANY ADDITIONAL OBLIGATION OR LIABILITY NOT EXPRESSLY PROVIDED FOR HEREIN, EXCEPT IN WRITING DULY EXECUTED BY AN OFFICER OF PARALLAX TECHNOLOGY, INC.
I. OUTPUT POWER
Parallax Technology, Inc. (Parallax) guarantees each new standard PLX series CO2 laser tube of its own design and manufacture that, the output power of the laser tube, when operated under specified parameters, shall be no less than twenty percent (20%) below its recommended maximum output for
48 months after the date of shipment .
The obligation of Parallax, under this guarantee, is to the
original purchaser of the laser tube and is limited to RE GAS the
laser tube that has failed to meet the above guarantee;
It is the duty of the purchaser to obtain Return Authorization from Parallax and return the laser tube, postage prepaid and through acceptable shippers, to Parallax Technology, Inc.
This guarantee shall not apply to any unit which our
inspection shall disclose, to our satisfaction, has become
low-power due to:
Products explicitly excluded from the above power guarantee are:
(a) Replacement tubes that are manufactured by Parallax
according to customers' specifications or design,
(b) Replacement laser tubes that are manufactured by Parallax
according to other manufacturers' design for physical size or
(c) Laser tubes designed and manufactured by Parallax
according to customer specified physical size or output
(d) Laser tubes manufactured by Parallax and using customer supplied components.
In the event we determine that the cause of power loss is due to 'optics' damage from inside that has occurred under normal use AND during the warranty period, we will replace the optics and recharge the tube at no cost to the purchaser. Damage to the outside surface of the output mirror is not covered.
If the warranty period has expired, the customer will be charged for the replaced 'optics' and for recharge, at prices in effect at the time.
Parallax 'Laser Systems' are always protected against operation without fluid. The following discussion is mostly of interest to users of 'OEM Laser Tubes'.
Each laser tube requires a given amount of flowing fluid to get rid of the heat generated in its discharge region. The circulating fluid may go through either an air/fluid (radiator with a fan) or fluid/fluid (chiller) heat exchanger. It is important to provide enough flow and enough 'exchange' so as the fluid temperature will not rise much above 80 degrees F or about 27 C.
Some operators rely on their 'memory' to turn the coolant ON (turn ON the recirculator) before they turn ON the laser.
Sometimes they forget to turn ON the water first, then
A barely audible cracking sound (often one can not hear it) and there is no more power.
When we get the laser tube back, we immediately know what has happened (cold water hitting hot glass), but the customer insists 'we didn't do anything, it just stopped working'.
Always use a Flow Switch to disable laser operation in case of No Flowand:
If you are using city water, filter it.
If you are using a closed circuit flow system, check the water and change it every six weeks or so, or drop a few drops of Algaecide in the recirculator. Better yet, use diluted Dow Frost.
The second important cause of tube failure is due to improper operation; the desire to run the tube at a higher wattage that is recommended. It is unwisely thought that if a PLX60 (a 60 Watt tube ) can run at 75 Watts, then one can get 15 Watts for free. Why not operate at maximum available (as opposed to maximum recommended) power?
Without getting into the details of CO2 laser tube design and gas dissociation, it suffices to say that the extra 15% or 20% power is intentionally put there to carry the laser through the life time that we require of it. If it was meant to run at 75 Watts, it may have had a different length or different mirrors. Operating the tube in this mode is what is referred to as 'abuse or misuse' and will void the power guarantee.
Now what about OPTICS damage? The only thing that is under the control of the purchaser/operator, as far as the optics are concerned, is the outside surface of the output mirror. Keep it clean from back sputter (blood, plastic fumes, pieces of cardboard) and oily fingers etc. etc. and you don't have anything to worry about !
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