background image

 

 

FCA

22

 

Instruction

 

Manual

  

 

 

 

 

Page 9 

 

 

 

#7

 

Accept

 

the

 

calibration

 

Press

 

the

 

MENU

 

SELECT

 

down

 

key

 

to

 

accept

 

the

 

new

 

value

 

 

#8

 

Return

 

to

 

Home

 

Screen

 

Press

 

the

 

CALIBRATE

 

down

 

key

 

to

 

return

 

to

 

the

 

Home

 

Screen.

 

 
 

pH

 

Calibration

 

 

The

 

PHS10

 

pH

 

sensor

 

was

 

calibrated

 

with

 

pH

 

7.0

 

and

 

pH

 

10.0

 

buffers

 

at

 

the

 

factory

 

before

 

shipping.

  

Verify

 

the

 

displayed

 

pH

 

agrees

 

with

 

the

 

actual

 

pH.

  

If

 

the

 

pH

 

value

 

deviates

 

by

 

more

 

than

 

0.2

 

pH

 

then

 

adjust

 

the

 

value

 

in

 

the

 

Buffer:

 

#1

 

pH:

 

Menu

 

by

 

setting

 

the

 

existing

 

pH

 

7

 

value

 

to

 

the

 

actual

 

sample

 

value

 

and

 

then

 

accepting

 

the

 

calibration.

 

For

 

a

 

detailed

 

description

 

see

 

Electrode

 

Standardization

 

in

 

the

 

C

22

 

manual.

 

 

pH

 

Calibration

 

Screen

 

Shots

 

 

Calibration

 

2

 

point

 

(Zero

 

pt.

 

and

 

Slope)

 

#

 

1

 

Home

 

Screen

 

Press

 

Menu

 

Select

 

Up

 

button

 

 

 

#2

 

Selection

 

Menu

  

Status

 

Screen

 

Press

 

Menu

 

Select

 

Up

 

button

 

 

 

#3

 

Selection

 

Menu

 

Set

 

Up

 

Screen

 

Press

 

Menu

 

Select

 

Up

 

button

 

 

 

#4

 

Selection

 

Menu

 

Buffer

 

Screen

 

(calibration)

 

Select

 

BUFFER

 

by

 

simultaneously

 

pressing

 

the

 

horizontal

 

CALIBRATE

 

keys.

 

 

#5

 

Zero

 

Point

 

Calibration

 

Initiate

 

the

 

calibration

 

by

 

simultaneously

 

pressing

 

the

 

horizontal

 

CALIBRATE

 

keys

 

with

 

the

 

sensor

 

in

 

a

  

7.00

 

pH

 

solution,

 

or…

 

 

 

#5a

 

Standardize

 

to

 

the

 

Sample

 

pH

 

value

 

Adjust

 

the

 

displayed

 

value

 

to

 

agree

 

with

 

the

 

sample

 

value

 

using

 

the

 

CALIBRATE

 

keys

 

 

 

Содержание FCA-22

Страница 1: ...sed in this document may be used and disseminated only for the purposes and to the extent specifically authorized in writing by Electro Chemical Devices Electro Chemical Devices reserves the right to...

Страница 2: ...ample requirements 7 Mounting and Plumbing 7 Powering the C 22 7 Installing the Sensors 7 Start Up 8 Calibration Temperature Sensor 8 pH Sensor 9 Chlorine Sensor 10 Commissioning Outputs 4 20 mA outpu...

Страница 3: ...ow Cell pH Sensor in Flow Cell C 22 Analyzer Controller Part Model and Product Description 1290020 1 Free Chlorine Analyzer with automatic pH compensation complete assembly panel mounted with C 22 tra...

Страница 4: ...mperometric sensor with a PTFE membrane gold cathode and a silver silver chloride anode The C22 analyzer applies a fixed voltage across the electrodes and measures the current flow Hypochlorous acid H...

Страница 5: ...and the calculated value are combined and displayed as Free Chlorine The DPD calibration method measures the Total Chlorine by buffering the sample to pH 6 3 thereby converting the entire amount of ch...

Страница 6: ...ture drops the output drops The FCA 22 automatically compensates for the changes The temperature sensor is located in the pH sensor and it has a response time of several minutes Rapid changes of tempe...

Страница 7: ...o open atmosphere Do not restrict the drain line The sample can be introduced after the sensors have been calibrated and installed in the flow cells Powering the C 22 Attach power as described in the...

Страница 8: ...e agrees with the actual temperature If the value deviates by more than 2 C then adjust the Temperature Trim in the Configuration Trim Menu to the correct value For a detailed description see Temperat...

Страница 9: ...then accepting the calibration For a detailed description see Electrode Standardization in the C 22 manual pH Calibration Screen Shots Calibration 2 point Zero pt and Slope 1 Home Screen Press Menu Se...

Страница 10: ...seconds Press Menu Select Down button to accept the Calibration 13 Return to the Home Screen Leave the Calibration Screen and return to the Home Screen by pressing the CALIBRATE down key Chlorine Cali...

Страница 11: ...be 0 00 ppm Cl2 and the Cal value will display the new mV signal from the sensor Chlorine Calibration Screen Shots 1 Home Screen Press Menu Select Down button 2 Graphical Display Press Menu Select Dow...

Страница 12: ...o the Home Screen Leave the Calibration Screen and return to the Home Screen by pressing the CALIBRATE down key Commissioning Outputs 4 20 mA Range The FCA 22 4 20 mA output is configured 0 20 ppm Fre...

Страница 13: ...A value Factory setting is 0 00 ppm Any value can be entered using the CALIBRATE keys Press the Menu Select down key to accept the value 9 Output Range 20 mA value Press Menu Select Down button 10 Adj...

Страница 14: ...d configuring the relays Screen Shots for Assigning the Alarm Relays 1 Home Screen Press Menu Select Down button 2 Graphical Display Press Menu Select Down button 3 Selection Menu Buffer Press Menu Se...

Страница 15: ...ccept the change press Menu Select down button 15 Select Relay 2 Press Menu Select Down button 16 Access Relay 2 menu To access the menu Simultaneously press both Horizontal CALIBRATE keys 17 Assign R...

Страница 16: ...CALIBRATE keys 5 Choose High Low Alarm Press the horizontal CALIBRATE key to move the cursor under the 6 Set High Low Alarm Press the down CALIBRATE key to change to Notice the Hysteresis sign also c...

Страница 17: ...keys to adjust the value 16 Accept Hysteresis Value Press Menu Select Down button 17 Choose Relay 2 Press Menu Select Down button 18 Set High alarm Simultaneously press both Horizontal CALIBRATE keys...

Страница 18: ...nd at every membrane change Unscrew the measuring chamber from the sensor and pour out the spent solution Fill the chamber to approximately 1 cm from the top and tap it gently to dislodge any trapped...

Страница 19: ...efore returning the sensor to service Constant Head Flow Controller CHFC The CHFC is designed to provide a constant flow to the Free Chlorine Sensor FCS independent of variations in the sample pressur...

Страница 20: ...n DPD test value Insufficient Polarization time Damaged Membrane Cap pH indication higher than actual value Temperature indication lower than actual value Electrical short or wet connection inside the...

Страница 21: ...itting and lift sensor slightly to purge air trapped in the flow cell Refill sensor see Maintenance Calibrate pH sensor or adjust value on uncompensated FCA Calibrate the Temperature see Calibration T...

Страница 22: ...acteristics Accuracy Dependent on the accuracy of the DPD test and pH value Response Time T90 Chlorine 2 minutes Temp 2 minutes pH 30 seconds Drift 1 5 month Polarization time First polarization 60 mi...

Страница 23: ...t incurring any obligation to make any changes in previously delivered products Seller s sole liabilities and the buyer s sole remedies under this agreement shall be limited to a refund in the purchas...

Страница 24: ...zation RMA number must be obtained from the service department before returning any material to ECD All material returned to ECD shall be shipped prepaid to the factory Ship to Electro Chemical Device...

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