Sensors With Dhs Technology; Errors During Calibration; Mv Parameter - XS 70 Serie Manual De Instrucciones

 Sensors with DHS technology
The electrodes equipped with DHS technology can save a calibration curve within their memory. The
calibrated sensor is automatically recognized by any instrument enabled for DHS recognition and acquires
its calibration.
Connect the DHS electrode to the BNC and RCA connectors of the instrument.

 The device automatically recognizes the chip; the following screens scroll on the display:
 First screen: sensor identification name and production batch.
 Second screen: CALIBRATION DATE and TIME and beakers indicating the buffers used.
 Third screen: OFFSET value of the electrode expressed in mV.
 Fourth and possibly fifth screen: Slope% in the measuring range (one Slope% only if two
calibration points are performed, two Slope% if three points are performed).
 When the DHS electrode is recognized, the active calibration on the instrument becomes the one of
the sensor.
 The icon on the display
If the calibration is satisfactory (see the calibration data in menu P.1.6), the electrode is ready to start

the measurements. Otherwise, recalibrate the electrode; the data will be updated automatically.
 The DHS electrode calibrated with a pH 70 Vio or PC 70 Vio device is ready to be used on any pH meter
enabled for DHS recognition and vice versa.
 When the electrode is disconnected, a message on the display informs the user of the deactivation of
the sensor; the instrument regains its previous calibration and no data is lost!
The DHS electrode does not require batteries and if it is used on pH meters that are not enabled to

recognize the chip, it works as a normal "analog" electrode.
 Errors during calibration
 NOT STABLE: The button
to confirm the point.
WRONG BUFFER: The buffer is polluted or not part of the recognized families.

 SLOPE OUT OF RANGE: The slope of the sensor calibration line is out of the acceptable range 80 - 120%.
 CALIBRATION TOO LONG: The calibration exceeded the time limit: only the points calibrated up to that
moment will be kept.

mV Parameter

pH 70 Vio; PC 70 Vio
 In measure mode press the key
The display shows the measurement in mV of the pH sensor.

 The scrolling on the display of four red bands
Consider the measurement truthful only when the stability icon appears

Note: This measurement is recommended to evaluate the sensor efficiency.
UM Serie 70Vio EN rev. 1 04.06.2020
indicates that the connection was successful.
was pressed with still unstable signal. Wait for the icon
and move to the mV parameter indicated by the icon
means that the measurement is not stable yet.
20
to appear
.
.
EN