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Remains unchanged mtc mode reset to 25 – Thermo Fisher Scientific Alpha TDS 200 User Manual

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Appendix 1: Simple Explanation on the Function of Hysteresis

The controller relay activates when the set-point is
reached. In the reverse direction, it does not de-
activate when the value reaches the set-point. Instead,
it continues to be active till the value reaches the
amount set by the Hysteresis band.


Appendix 2: Factory Defaults

Resetting the controller to factory default settings (See program P8.0) clears all
calibration data and most other setup functions.
The following settings will remain unchanged:
1.

Measurement range

2.

Temperature compensation mode (ATC or MTC)

3.

Temperature offset calibration value, if in ATC mode.

Conductivity Defaults
TDS range

Remains unchanged at last selected range

Set point 1

10% full scale / Hyst. 5% full scale / Low

Set point 2

90% full scale / Hyst. 5% full scale / High

Temperature Defaults
Temp. Compensation mode

remains unchanged

MTC mode

reset to 25

o

C if in MTC mode

ATC mode

remains at last calibration if in ATC mode

Temperature Coefficient

2.10 %

Normalization Temperature

25.0

o

C


1 0 0

1 2 0

1 8 8 0 1900

R E L A Y O F F

H Y S T E RESIS BAND

F

O

R

W

A

R

D

D

I

R

E

C

T

I

O

N

R

E

V

E

R

S

E

D

I

R

E

C

T

I

O

N

S

P 1

S

P 2

R E L A Y O N

S P 1 S e t t o L O

S P 2 S e t t o H I

μS