MODEL 54eA

SECTION 5.0

 

SOFTWARE CONFIGURATION

TABLE 5-1. Program Settings List (continued)

 

ITEM

CHOICES

FACTORY SETTINGS

CONFIGURE (continued)

 

 

D. pH measurement (Section 5.8)

 

 

1. pH sensor

Enable or disable

Enable

2. pH compensation (free chlorine only)

Auto or manual

Auto

3. pH value

0.00 - 14.00

7.00

4. pH diagnostic

On or off

Off

 

a. Glass impedance high

0-2000 MΩ (0 disables)

1000 MΩ

 

b. Glass impedance low

0-900 MΩ (0 disables)

20 MΩ

 

c. Reference impedance high

0-140 kΩ (0 disables)

140 kΩ

 

d. Zero offset

0-999 mV

60 mV

 

e. Impedance temp. compensation

On or off

On

5. pH calibration

 

 

 

a. Auto calibration (buffer list)

Manual, Standard, Merck, Ingold, DIN 19267

Standard

 

b. Stabilize pH

0.01 - 0.50

0.1

 

c. Stabilization time

0-30 sec

10 sec

6.

Solution temperature coefficient

 

 

 

a. Temperature coefficient

-0.044 to 0.028 pH/°C

0.000

 

b. Operating isopotential

-1.35 to 20.12 pH

7.00

 

c. Sensor isopotential

0 to 14 pH

7.00

E. Temperature compensation (Section 5.9)

 

1. Temperature compensation

Auto or manual

Auto

2.

Manual temperature

-15 to 130°C

25°C

F. Noise Reduction (section 5.10)

 

 

Noise rejection

50 or 60 Hz

60 Hz

G. Main sensor calibration (Section 5.11)

 

1.

Stabilize reading

 

 

 

a. oxygen (ppm)

0 to 20 ppm

0.05 ppm

 

b. oxygen (ppb)

0 to 999 ppb

50 ppb

 

c. oxygen (% saturation)

0 to 200%

1%

 

d. chlorine, monochloramine, or ozone

0 to 9999 ppm

0.05 ppm

2.

Stabilize time

0 - 30 sec

10 sec

3.

Sensor zero stabilization value

 

 

4.

Dual range calibration

Enable or disable

disable

5.

Salinity (parts per thousand)

0.0 - 99.9 o/oo

0.0 o/oo

H. Barometric Pressure (Section 5.12)

 

 

1.

Barometric pressure (oxygen only)

Auto or manual

Auto

2.

Barometric pressure manual

0.4 - 1.2 atm (or equivalent units)

1.00 atm

3.

Barometric pressure units

mm Hg, in Hg, bar, kPa

mm Hg

I. Security (Section 5.13)

 

 

1.

Lock all

000-999 (000 disables)

000

2.

Lock program

000-999 (000 disables)

000

3.

Lock configuration

000-999 (000 disables)

000

 

 

 

 

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Emerson Process Management 53eA instruction manual Temperature compensation Section