Metrohm 765 Dosimat User Manual download pdf (Page 12)

2.2. Modes

765 Dosimat

Calculation values

b = 0. ml

Blank value

Input range: 0...±999.999 mL

f = 1.

Factor

Input range: 0... ±1E33

s = 1.

Sample size

Input range: 0... ±1E33

Input manually or on-line with balance, see page 56

unit

Unit

Input range: ppm, %, g, mg, g/L, mg/L, mol, mol/L, mL, L,

/pc, none

Result calculation

If one of the calculation values (blank, factor, smpl) is not set to its standard value, a

result is calculated on filling of the Dosimat according to formula:

(dosed volume–blank)*factor

Result = ————————————————

smpl

The result is recalculated on each entry of a calculation value (blank, factor, smpl).

Pressing <CLEAR> display shows the dosed volume in mL. To start a new dosing, press

<GO> twice, pressing once resets the volume in display to 0.000 mL.

Printing the result on a printer

If Dosimat is set to send RS 232 on (special settings see page 18), filling the Dosimat or

re-calculation triggers a print command. A continuous number (#), the dosed volume and

the calculated result are printed.

Do set new calculation parameters for the next dosing only after having pressed <GO>

once, i.e. if display shows DOS 0.000 ml.

The continuous number is set to zero on switching on the Dosimat and incremented by 1

on every filling command.

Example of print-out

BLANK

SMPL

FACTOR

UNIT

#01 V = 0.352 ml R = 7.04 ppm

#02 V = 0.440 ml R = 8.8 ppm

#03 V = 0.000 ml

#04 V = 0.364 ml R = 7.28 ppm

#05 V = 0.438 ml R = 8.76 ppm

#06 V = 0.382 ml R = 7.64 ppm

#07 V = 0.370 ml R = 19.61 %

#08 V = 0.372 ml R = 19.72 %

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 65 66

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Metrohm 765 Dosimat User Manual Page 12

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