Ysi 550A Manuale Utente

Operations Manual YSI 550A Dissolved Oxygen Instrument

Page 6 Y S I Environmental YSI 550A DISSOLVED OXYGEN CALIBRATION Dissolved oxygen calibration must be done in an environment with known oxygen

YSI 550A Y S I Environmental Page 7 6. CAL will now display in the lower left corner of the screen, the calibration value in the lower right co

Page 8 Y S I Environmental YSI 550A PROBE OPERATION NOTE: The YSI 550A DO Instrument should not be used in a purpose other than that specifi

YSI 550A Y S I Environmental Page 9 PROBE ELECTRODE MAINTENANCE SILVER ANODE After extended use, a thick layer of AgCl builds up on the silve

Page 10 Y S I Environmental YSI 550A 1. Remove probe guard. 2. IMPORTANT: Thoroughly dry the sensor so that no water enters the probe port whe

YSI 550A Y S I Environmental Page 11 SPECIFICATIONS Display Resolution Range Accuracy 0 to 20 mg/L ± 0.3 mg/L or ± 2% of reading, whichever i

Page 12 Y S I Environmental YSI 550A TROUBLESHOOTING NOTE: An error displayed briefly during the first few seconds after turning the instrument

YSI 550A Y S I Environmental Page 13 SYMPTOM POSSIBLE SOLUTION 8. Main display reads “Err” and Secondary display reads “RO”, “RA”, or “AdC”. A

YSI 550A YSI Environmental Page 14 Item # 605348 • Drawing # A605348 Revision B •September 2006 REQUIRED NOTICE The Federal Communications

YSI 550A Y S I Environmental iii CONTENTS CONTENTS...

YSI 550A Y S I Environmental Page 1 GENERAL DESCRIPTION The YSI 550A Handheld Dissolved Oxygen Instrument is a rugged, microprocessor based, d

Page 2 Y S I Environmental YSI 550A WARRANTY REGISTRATION Please complete the Product Registration on the YSI website at www.ysi.com. If you a

YSI 550A Y S I Environmental Page 3 FEATURES OF THE YSI 550A KEYPAD Powers the unit on or off. The instrument will activate all segme

Page 4 Y S I Environmental YSI 550A Caution: Do not attempt to separate the two halves of the instrument case as this may damage the instrument

YSI 550A Y S I Environmental Page 5 5. Press the two velcro strips back together. PRINCIPLES OF OPERATION The sensor consists of a silver bo