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<6. Setup>

6-5

IM 12A01S02-01E 1st Edition : May 10, 2013-00

Table 6.3 pH/ORP common settings (numbers in parentheses indicate related sections of FLXA21

User’s Manual (IM 12A01A02-01E))

Setting Item Available Option Initial Value Remarks

pH+ORP measurement pH, ORP, pH+ORP,

pH+rH, rH

pH+ORP

TimeAxisRange(Max) 1 to 10 min. 5 min. Timeline displayed

on the calibration

screen.

calibration

settings

Zero and

Slope units

Zero unit mV, pH mV

Slope unit %, mV/pH %

Select buffer set NIST/DIN19266,

DIN19267,US,

Programmable

NIST/DIN19266

Setup 0.00 to 20.00 pH (Table 6.4) Appears when

selecting

“Programmable”.

Temperature difference 1.0 to 5.0 degC

-1.8 to 9.0 degF

2.0 degC

3.6 degF

Setsthemaximum

temperature offset

between sensors for

multiple calibration.

Limits Zero high 0.00 to 500.0 mV

0.00 to 8.45 pH

120.0 mV

2.03 pH

Zero low -500.0 to 0.00 mV

-8.45 to 0.00 pH

-120.0 mV

2.03 pH

Slope high 100.0 to 110.0 %

59.16 to 65.08 mV/pH

110.0 %

65.08 mV/pH

Slope low 70.0to100.0%

41.41 to 59.16 mV/pH

70.00%

41.41 mV/pH

Step Range 0.01 to 1.00 pH 0.01 pH

Stabilization

time

2 to 30 s 10 s

ORP

calibration

settings

Limits Zero high 0.00 to 500.0 mV 120.0 mV

Zero low -500.0 to 0.00 mV -120.0 mV

Slope high 100.0 to 110.0 % 110.0 %

Slope low 70.0to100.0% 70.00%

Step Range 1 to 100 mV 1 mV

Stabilization

time

2 to 30 s 10 s

calibration

settings

Limits Zero high 0.00 to 500.0 mV 120.0 mV

Zero low -500.0 to 0.00 mV -120.0 mV

Slope high 100.0 to 110.0 % 110.0 %

Slope low 70.0to100.0% 70.00%

Step Range 0.01 to 10.00 rH 0.05 rH

Stabilization time

2 to 30 s 10 s

Impedance

settings

Impedance 1 high limit 1.000 kOhm to

1.000 MOhm

(> Impedance 1 low

limit)

200.0 kOhm When Impedance 1

is “low*.”

In the case of

“high,” use the

value of FINE limit

for impedance

1 in SENCOM

diagnostic criteria.

Impedance 1 low limit 1.000 kOhm to

1.000 MOhm

(< Impedance 1 high

limit)

1.000 kOhm

Impedance 2 high limit 1.000 kOhm to

1.000 MOhm

(> Impedance 2 low

limit)

200.0 kOhm When Impedance 2

is “low*.”

In the case of

“high,” use the

value of FINE limit

for impedance

2 in SENCOM

diagnostic criteria.

Impedance 2 low limit 1.000 kOhm to

1.000 MOhm

(< Impedance 2 high

limit)

1.000 kOhm

1 2 ... 26 27 28 29 30 31 32 33 34 35

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