. . . . . Maintenance-free CO2 sensing element (depending on type) based on optical infrared absorption measurement (NDIR1)) Or with VOC2) sensing element based on a heated tin dioxide semiconductor. CO2 temperature (active or passive) and CO2 humidity-temperature multisensor No recalibrations required. Operating voltage AC 24 V or DC 1535 V. Signal outputs DC 0...10 V or DC 0...5 V adjustable Selectable passive temperature sensing element. 1) NDIR = Non dispersive infrared 2) VOC = volatile organic compounds (also called mixed gas) Use in ventilation and air conditioning plants to enhance room comfort and optimize energy consumption by providing demand-controlled ventilation. The sensor acquires: CO2 concentrations as an indication of occupancy in rooms where smoking is prohibited. VOC concentrations as an indication of odors such as tobacco smoke, body odor, or material fumes in the room. Relative humidity in the room. Room temperature. Sensors QPA10 and QPA20 can be used as a: Control sensor. Transmitter for building automation and control systems and / or display units (QPA20D only). Typical use: Acquisition of CO2 and VOC concentrations: In party rooms, lounges, fair pavilions and exhibition halls, restaurants, canteens, shopping malls, athletic centers, sales rooms, and conference rooms.. Siemens. Siemens. QPA2000.
Warranty Information
B2E Surplus offers a 90-day warranty on all sales. Warranted to be free from defects in materials and workmanship under normal use and service. Unless otherwise set forth in a quotation or agreed to by B2E Surplus in writing, standard Products are warranted for 90 days from the date of delivery to the buyer.
Subject to the exclusions described below, all B2E Surplus products (“Products”) are warranted to be free from defects in materials and workmanship under normal use and service. Unless otherwise set forth in a quotation or agreed to by B2E Surplus in writing, standard Products are warranted for 90 days from the date of delivery to the buyer.
EXCLUSIVE REMEDY. In the event that B2E Surplus determines that a Product contains a defect in materials or workmanship, then B2E Surplus, in its sole discretion, will (a) repair the Product, (b) replace the Product, or (c) refund the purchase price of the Product. THIS LIMITED WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REMEDY OF REPAIR, REPLACEMENT OR REFUND IS BUYERÂ’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. IN NO EVENT SHALL B2E SURPLUSÂ’ LIABILITY UNDER THIS WARRANTY EXCEED THE PURCHASE PRICE OF THE PRODUCT GIVING RISE TO THE WARRANTY CLAIM. All Products which are repaired or replaced shall be warranted only for the unexpired portion of the original warranty period.
EXCLUSIONS. This warranty does not cover (a) any failures which are not attributable to defects in materials or workmanship, including without limitation, failures caused by accidents, inadequate maintenance, misuse, unauthorized modifications or repairs, improper storage, and normal wear and tear, (b) any consumable parts or accessories, such as cutter blades, nut splitter chisels, punches, dies, chains, wedges, and strands, that are designed to wear over time or through use of the Product, or (c) electronics, motors, batteries, and engines, as these items are warranted by their manufacturer.
WARRANTY RETURNS. No Products shall be returned without prior authorization from B2E Surplus. Buyer shall prepay all shipping charges for the return of Products to B2E SurplusÂ’ designated service location.
LIMITATION OF LIABILITY. IN NO EVENT SHALL B2E SURPLUS BE LIABLE FOR ANY INCIDENTAL DAMAGES, CONSEQUENTIAL DAMAGES, SPECIAL DAMAGES, INDIRECT DAMAGES, LOSS OF PROFITS, LOSS OF REVENUES, OR LOSS OF USE, EVEN IF INFORMED OF THE POSSIBILITY OF SUCH DAMAGES. B2E SURPLUS' LIABILITY FOR DAMAGES ARISING OUT OF OR RELATED TO ANY ORDER IS LIMITED TO THE ORDER PRICE FOR THE SPECIFIC PRODUCT THAT GIVES RISE TO THE CLAIM. TO THE EXTENT PERMITTED BY APPLICABLE LAW, THESE LIMITATIONS AND EXCLUSIONS SHALL APPLY REGARDLESS OF WHETHER LIABILITY ARISES FROM BREACH OF CONTRACT, WARRANTY, TORT (INCLUDING BUT NOT LIMITED TO NEGLIGENCE), BY OPERATION OR LAW, OR OTHERWISE.