Siemens ET 78X Series Manual de usuario descargar pdf (Pagina 21)

Technical data (four-wire system)

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Siemens PA 20 · 1999

1/21

SIPAN 34 analyzer

Permissible relative

humidity

10 to 95 %, no condensation

Power supply AC 120 V (94 V to 132 V),

48 to 63 Hz, 10 VA

AC 230 V (187 V to 264 V),

48 to 63 Hz, 10 VA

AC24V(20Vto26V),

48 to 63 Hz, 10 VA

DC24V(20Vto30V),8W

Protection class II (field housing)

Dimensions See page 1/16

Weight 2.5 kg field housing

2.0 kg panel housing

Additional options See page 1/18

Second output signal 0/4 to 20 mA linear to temperature

Additional limit 1 x NO or NC contact selectable,

any assignment to measured value

or temperature

Parameter sets 4

Diagnostic contacts 2, preĆalarm and maintenance

Range signalling

contacts

Cleaning contacts with

timer

Signalling of current measuring

range (3 contacts)

3, fitting control, cleaning and

flushing

Range switchover

(if without interface)

4, parameterizable as desired using

range selection; external control

possible

Controller 2 floating contacts (instead of limits)

as PI controller

Calibrated reference equipment

Smallest measuring

range

0.1 S/cm

Largest measuring range

5 S/cm

Repeatability < 0.5 % of fullĆscale value,

but at least 0.5 nS/cm

Deviation from absolute

value

<1%offullĆscale value,

but at least 1 nS/cm

Max. permissible temperĆ

ature of medium

5to50_C

) Measuring ranges are temperatureĆdependent, see 1/28

Measured

medium

Temperature range _C

Possible measuring

ranges

)

% w/w

Ć20 to +120 0to34

32 to 85

92 to 99.5

Oleum +10 to +100 12 to 45

+10 to +60 60 to 70

HNO

Ć20 to +55 0to30

34 to 85

92 t 95

0 to +100

92 to 95

0to12

HCl Ć20 to +55 0to16

24 to 42

0 to +100 0to12

NaOH 0 to +100 0to26

18 to 32

NaCl 0 to +100 0to26

KOH 0 to +100 0to34

32 to 42

HBr Ć20 to +55 0to30

39 to 52

Table 1/1: Measured media data preprogrammed in SIPAN 32, SIPAN 32X

and SIPAN 34 for concentration display

KEKK

10/12

KA: StartĆofĆscale value

KK: Knee

KE: FullĆscale value

0/4

Fig. 1/18 Linear and bent characteristics in SIPAN 32, SIPAN 32X and

SIPAN 34 analyzers

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 37 38

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