Aqualytic Photometer AL250

The AL250 models each offer one test method, while the AL250+ units are programmed for a number of different parameters. The units sup ply ac cu rate, reproducible results very quickly. Other major ad vantages include ease of operation, ergonomic design, com pact di mensions and safe handling. The calibration and software- based adjustment options mean that the AL250 is also suit able for use as a testing instrument. The tests are conducted using either AQUALYTIC tablet reagents with long- term stability and a guar an teed min i mum 5 or 10 year shelf life, VARIO powder reagents or using liquid reagents. Delivery Content: Each AL250 is sup plied in a case complete with 9 V battery, 3 round vials with cap, tablets and/ or liquid reagents or VARIO Powder Packs, accessories, instruction manual, guarantee sheet and a certificate of compliance. Scroll Memory ( SM) To avoid unnecessary scrolling for the required test method, the instrument memorizes the last method used be fore switching off the instrument. When the instrument is switched on again, the scroll list comes up with the last used test method first. N.I.S.T Traceability to internal standards which are not N.I.S.T trace able. The instrument may be calibrated by the user in a ? user calibration mode? with N.I.S.T trace able standards. ( N.I.S.T. = National Institute of Standards and Technology) Calibration certificate Be side the " Certificate of Compliance" which is sup plied with each AL250, calibration cer tificates are available at cost on request. Calibration certificates are individually supplied per instrument and per method. The Calibration Certificate has to be ordered together with the new instrument and can not be delivered at a later stage. Reference Standard Kit The reference standards are de signed to check the accuracy and the reliability of the re sults. The shelf life of reference standards is two years from the date of production, pro vided that storage and use are in accordance with the instructions provided.