ABB AWT210 Operating Instruction

Also see for AWT210: Manual Manual Manual

ABB AWT210 Operating Instruction Manual pdf 42 page image

42AW T 2 1 0 | 2 - W I R E C O N D U C T I V I T Y, P H/O R P, P I O N T R A N S M I T T E R | O I/A W T 2 1 0 - E N R E V. C12 CalibrationpH sensor calibrationAuto Buffer CalPerforms a 2 point calibration using 2 pre-defined buffersolutions – see Auto Buffer Setup, page 32.Available only if Measurement Type = pH.1 Immerse in Buffer 1 – – – –Auto Buffer CalAbort ContinueImmerse in Buffer 1ABB4.00pHThe details of buffer solution 1 aredisplayed.Immerse the sensor in the buffersolution and press to continue.2 Monitoring (Buffer 1) – – – –Auto Buffer CalAbortPV 4.03 pHSV 25.2 °CLive process values are displayed.The progress of the process valuestability check is indicated on theprogress bar. The procedure movesautomatically to the next stageupon completion.3 Immerse in Buffer 2 – – – –Auto Buffer CalAbort ContinueImmerse in Buffer 2ABB7.00pHThe details of buffer solution 2 aredisplayed.Immerse the sensor in the buffersolution and press to continue.4 Monitoring (Buffer 2) – – – –Auto Buffer CalAbortPV 7.14 pHSV 25.2 °CLive process values are displayed.The progress of the process valuestability check is indicated on theprogress bar. The procedure movesautomatically to the next stageupon completion.5 Completion – – – –Auto Buffer CalExitPV 7.14 pHSV 25.2 °CPV Slope 100.00%PV Offset 8.94 mVFollowing a successful calibrationthe calculated coefficients aredisplayed.Following an unsuccessfulcalibration the reason for failureis displayed.– – – –Auto Buffer CalExitPV 7.14 pHSV 25.2 °CCalibration FailedOffset Too High