YSI AmmoLyt Plus 700 IQ - Manual (Page 7)

AmmoLyt
®Plus
700 IQ Overview
1 - 3 ba76003e01 01/2012
Operating modes and
electrode equipment
Due to its modular structure, the AmmoLyt
®Plus
700 IQ can be adapted
to various requirements (see following table).
Notes:
The reference electrode has an extra receptacle marked by a recess.
The ion sensitive electrodes can be mounted in the remaining two
receptacles in any order. Empty receptacles have to be closed with the
VARiON
®
BP blind plug.
Calibration free
operation
The AmmoLyt
®Plus
700 IQ ammonium sensor is immediately ready to
measure after being equipped with electrodes. For precise
measurements, it is only necessary to adjust the electrodes to the
sample matrix ("matrix adjustment"). In the recommended application
(see section 1.3 R
ECOMMENDED FIELDS OF APPLICATION ), the measuring
characteristics of the electrodes remain stable for their entire service
life. Thus, calibration is no longer required.
Possible changes of the sample matrix can be determined by
occasional comparison measurements (e.g. photometer) and
compensated for by a new matrix adjustment as necessary. The sensor
does not have to be taken out of the sample for this.
Shielding of the
AmmoLyt
®Plus
700 IQ
The AmmoLyt
®Plus
700 IQ ammonium sensor and the corresponding
electrodes in conjunction with the IQ S ENSOR N ET
system form a
measuring system that is protected to a high degree against low and
high frequency interference as well as against the indirect effects of
lightning strikes.
Operating mode Electrode equipment
Ammonium
measurement
Ammonium
measurement,
compensated
Ref
VARiON
®Plus
NH4
Blind plug VARiON
®
Ref
Ref
VARiON
®Plus
NH4
VARiON
®Plus
K VARiON
®
Ref
(recess)