Orbisphere 2606 manual

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Click on the Graphic for more information. The unique polarographic sensor design of the Orbisphere xx Sensors is a proven performer wherever knowledge of O 2 content is critical.

From beverage quality control to corrosion monitoring in power generators, from package sampling to chemical manufacturing, these sensors provide fast, accurate oxygen measurements, in gaseous or liquid samples. This design enables a vanishingly small residual signal, for improved accuracy.

All Orbisphere oxygen sensors use the deep-draw membrane mounting method for a uniformly thin layer of electrolyte for faster response and superior stability. Coupled with a screw-on protection cap, the sensor provides in-service intervals of up to a year. If you have any questions please don't hesitate to aks us! Phone : 01 Fax : 01 Email us: Sales enquiries: sales hach-lange. The free wires are connected to the connector J8 on the measuring board, as detailed later in this chapter.

Connectors P8 on the main board Figure 3 on page 10 and J7 and J8 on the measurement board Figure 5 on page 11 and Figure 6 on page 11 are made of two parts. Push down carefully the black levers on either side of the connector and pull it out securely. Perform all connections with these connectors unplugged. Once finished, attach the connectors to the boards by pushing them firmly in place levers up.

The numbers listed below refer to the 13 available P8 connections from left to right in Figure 4. System alarm relay N. System alarm relay Common. Ethernet RJ Connect the instrument to the local network by passing an ethernet cable through the ethernet cable gland gland location illustrated in Figure 1 on page 7 and connecting to the P3 connector illustrated in Figure 3.

The type of board is easily identified by the color of the J8 connector. For EC boards this connector is colored orange, and for TC boards it is colored black. It is extremely important that sensors are connected to the correct measurement board. Connecting a TC sensor to an EC measurement board and vice versa will cause irreparable damage to the measurement board.

The numbers listed below refer to the 16 available J7 connections from left to right in Figure 7. TC sensor: Hold input short circuit to pin The numbers listed below refer to the 10 available J8 connections from left to right in Figure 8.

The colors indicated are the wire colors in the sensor cable. The illustration is for the EC measurement board the positions are different for the TC measurement board :. Note: For all measurement boards, J4 is relay 1, J5 is relay 2 and J6 is relay 3.

For EC sensor installation, servicing, and maintenance ensure you follow the instructions in the Sensor Installation and Maintenance manual that was supplied with the instrument. For TC sensor installation, servicing and maintenance ensure you follow the instructions in the TC Sensor Installation and Maintenance manual that was supplied with the instrument.

Pay particular attention to the installation and connection of the purge gas supply. Do not place the TC sensor into a liquid sample until a constant supply of dry purge gas has been connected, as liquid could condense inside the measuring chamber and cause damage to the thermal conductor chip. To ensure the continuation of purge gas while the sensor is in contact with the sample, it is highly recommended to use a backup purge gas cylinder with an automatic changeover valve that activates when the first cylinder is empty.

There is no power switch on the instrument. The mains must be disconnected to turn the instrument off. The user interface on the front panel is a touch screen providing easy selection through menus.

All the measurement, configuration, calibration and standard service routines can be called by pressing buttons and menu bars on screen. The display can be configured to only show a sensor measurement, or to show a parameterized graphic representation of the last measurements. The display is made of three columns:. When a value or text is to be edited a virtual keyboard will appear on screen and can be used like a standard keyboard. Press CAP to access special keys.

When input is complete press the Enter key to confirm and exit the virtual keyboard. During editing, the edited field name is displayed along with units where applicable.

Note: When the instrument is started for the first time security is disabled. It is highly recommended that each user be entered into the system and given appropriate access rights as soon as possible to avoid any unauthorized access. Select Configuration from the Security menu. Access rights When enabled only registered users can access the menus. When disabled default all menus are freely accessible and no ID is recorded against any action in the log file.

The log file is a rolling buffer recording recent actions. Press Clear to empty the log file. Once the ID and password are entered the user is allowed to perform actions according to the "Access level" that has been attributed by the Manager:. At startup all menus are locked and a valid ID and password combination is required to get access beyond the standard measurement view.

Select Access table from the Security menu to show the list of registered users a maximum of 99 users allowed. They are listed by name, ID, password and access level. Pressing on an empty line or the Add button displays a window to add a new user. User name, ID, password minimum 4 characters and access level 1 to 4 are required.

Pressing on a registered user displays a window for editing or deleting that user. This is the default view and shows the measurement value, sample temperature value, and a graph showing the measurements during the set time frame. The display is refreshed after each measurement cycle which can be configured to suit user requirements.

Select Configure from the View menu followed by Conf. Selct Channel temperature to display the sample temperature. This feature offers statistical data to match with Total Quality Management tools to better analyze how a process behaves. The statistics are calculated from the data in the measurement file and values updated each time a new measurement is added.

The diagnostic view contains important information but is only really useful for troubleshooting purposes. Select Config. Note: This is the gas concentration measured by the EC sensor. When a composite unit. When medium is liquid, select water or a liquid with a different solubility if available. Maximum resolution depends on gas, membrane and unit. A maximum of 5 digits can be. Decimals can be limited to 0, 1, 2 or 3 decimals for easier reading.

That does. To protect the sensor, the thermal cutoff function allows for setting a sample high. If exceeded during a Cleaning In Place cycle for example the. The system resumes when temperature drops. The measurement configuration for a TC sensor is the same as for an EC sensor with the addition of one extra selection criteria:. Select the Alarms button on the Measurement configuration screen:. Hysteresis The hysteresis is used to prevent relay flickering when the measurement is just at the alarm levels.

Set this to a minimum but enough to eliminate flickering. Set this to a minimum value, but enough to avoid alarms for non-representative peaks beyond the set level. The filter is applied on the last set of measurements each time a measurement is taken.

Select the Filter button on the Measurement configuration screen:. Set the filters to Enabled or Disabled. If enabled set the filter to Mean or Median.

Mean is the mathematical average of the last set depth of measurement values. Median allows for eliminating atypical peak measurement values and averaging the. The calculation sorts the last measurement set depth by values, then. Central depth Number of measurements to be used to determine the average. Example: With a depth of 7 and central depth of 5, the 7 values are sorted and the highest 7.

The average of the center 5 is calculated as 3. If thermal cutoff has been enabled see Measurement configuration on page 16 ,. Note: To manually set the TC sensor into a continuous purge mode, press the. Continuous Purge button that is available from the Services - Diagnostic -. Enable correction as appropriate. If enabled, the correction values for offset and. Note: If you believe you need to enable these corrections, it is advisable to. These options are available to take into account the influence of some components or gases in the sample during measurement.

All available interference corrections are disabled by default. Note: If you believe you need to enable any of the above, it is advisable to contact a Hach Lange Service Representative first. In some applications, like in the beverage industry, there can be high concentrations of carbon dioxide in the sample. In the petroleum industry, the detection of oxygen is sometimes hampered by significant concentrations of hydrogen sulfide in the sample.

Hach Lange recommends using the H 2 S interference option if the hydrogen sulfide concentration exceeds 0. To operate the oxygen sensor in these conditions requires using a different sensor and electrolyte. When using this mode your system will experience sensitivity loss of about 50 times higher than the minimum sensitivity for the membrane.

For chlorinity or salt, it is required to enter the actual concentration in the sample. There is one measurement file which contains the data generated by the measurement cycle. The measurement file is updated in volatile memory and regularly copied in non-volatile memory file back-up.

At start up the measurement file in volatile memory is updated with the file from the nonvolatile memory. Note: Data stored in volatile memory is lost when instrument is powered off; non-volatile memory is permanent.

In case of an accidental power off event the instrument resumes measurement storage after the last measurement stored in flash. Select Measurement file from the Measurement menu:. Select No storage if data storage is not required. Select Store once to start. Select Rolling buffer for continuous recording of. The last data file erases the previous one. This option is only available if. A warning screen appears informing. Press Yes to continue or No to.

Only available in Store once mode, this option starts or stops the measurement. Calibrations can only be performed once the instrument has been installed and configured. Note: The temperature sensor is factory calibrated and can only be changed by a Hach Lange representative. To calibrate the gas to measure main gas , the user usually puts the sensor in the main gas without any interfering gas. Calibrations can only be performed once the instrument has been installed, configured and the channel has been set up.

You must also ensure that you have the correct access rights to access the calibration menu. There are two types of gas sensor calibration available, depending on the gas being measured and the type of sensor being used:.

The sensor is exposed to air at atmospheric pressure. This calibration exposes the sensor to a gas with a known partial pressure, or a liquid sample with a known gas concentration. Before initiating a calibration process, the calibration parameters must be set by pressing on the Modify button. The last calibration parameters are memorized, so this step can be ignored if the correct parameters are already set.

In Air default : For O 2 or O 3. Concentration unit type Partial, fraction or dissolved dissolved is for calibration in a liquid only. Concentration unit The list of available units depends on unit type selected above. Enter the gas concentration according to the value in the calibration media, when. Hold during calibration On by default, this stops any output from the instrument during the calibration process to avoid sending invalid information to any connected device.

Press OK to start calibration. If this percentage is not within the accepted range, an error message is displayed and the calibration process fails. A warning message can be displayed when this value is close to the boundaries, but when calibration can be accepted. The dialog box with the error message or the warning is displayed when the finish button is pressed. A variation as low as possible is needed for a precise calibration.

The O 2 sensor needs to be calibrated after each sensor service. Wait at least 30 minutes after mounting a new membrane before re-calibrating. The sensor is in contact with either:. The gas can be dissolved or not. This calibration procedure places the O 2 sensor in water-saturated air, to provide a known oxygen reference against which to calibrate. Dry the sensor thoroughly, before placing the sensor storage cap under tap water.

Shake off any excess water, but leave a few drops inside the cap. Verify that the screw-on protection cap is in place on the sensor head. If you use a Dacron mesh inside the protection cap, make sure it is dry before attempting to calibrate. Then, loosely place the storage cap back on the sensor, holding it in place with a few turns of its collar. This procedure calibrates the oxygen sensor against a liquid sample containing a known level of dissolved O 2 flowing through the sample line.

The instrument displays the sensitivity of the sensor as a percentage of the sensitivity determined when calibration was last performed. The procedure is the same as for the O 2 sensor. In the case of the "In air" calibration, the sensor measures O 2 during calibration.

The O 3 coefficient is deduced taking into account how the sensor behaves in O 2. As a different voltage is used at the anode to measure O 2 and O 3 , the O 3 measurement takes a long time to stabilize. To facilitate the follow up after an "O 3 in air" calibration, negative values can be displayed.

Similarly, if only the calibration value has changed, then this can be updated directly instead of pressing the Modify button. Select liquid or gas direct calibration only. Partial , fraction or dissolved dissolved is for calibration in a liquid only.

If selected, when the stability criteria is reached, the calibration process stops. Note: The barometric pressure sensor has been factory calibrated but should be periodically verified with a precision certified barometer.

Using a precision certified barometer measure barometric pressure in the location where the measuring instrument is used. Compare the values anf if they are the same press Cancel , otherwise enter the new barometric pressure value in the lower box and press Validation to validate the new setting. There are a number of options available from this menu with the key options detailed below.

The instrument can automatically remind the user when the next sensor calibration is due. The sensor attached to your instrument will require periodic servicing and maintenance.

The instrument can automatically remind the user when the next sensor service is due. After a service press the Service done button to update the next service date. For information on setting up products and global configurations refer to the full user manual Products and Global Configuration menus. Any instrument maintenance should be carried out by a qualified Hach Lange Service Technician. Please contact your local representative should you feel any maintenance or instrument adjustments are required.

Beachten Sie alle Gefahrenund Warnhinweise. Verwenden bzw. Bitte lesen Sie alle auf dem Produkt angebrachten Etiketten und Hinweise. Die Ziffer in diesem Symbol gibt den Umweltschutzzeitraum in Jahren an. Potenzielle Stromschlaggefahr. Setzen Sie die beiden Sperrschrauben mit den Scheiben durch die seitlichen Schlitze ein.

Drehen Sie die 4 Befestigungsschrauben auf beiden Seiten des Frontpaneels und schieben Sie es hinein. Jedes Mal, wenn ein Kabel im Inneren des Instruments angeschlossen werden muss, wird ein wasserdichter Kabeldurchlass mitgeliefert. Instruments als Masse angeschlossen wird. Beim Verkabeln eines Sensorkabels ist das Kabel bereits vorbereitet; entfernen Sie daher einfach den Kunststoffschutz von der ausgesetzten Abschirmung. Entfernen Sie ca. Bringen Sie die Mutter des Kabeldurchlasses wieder an und ziehen Sie sie an.

Hinweis: Die Steckverbindungen weisen Kehlen auf, um ein falsches Einstecken in das Instrument zu verhindern. Stecker vorverkabelt. Wie im Folgenden gezeigt wird eine Steckkupplung an den Stecker angeschlossen mitgeliefert. Befestigen Sie die Buchse handfest an dem Leistungssteckverbinder des Instruments. Wenn gemeinsam mit dem Instrument kein Leistungskabel bestellt wurde, muss ein Leistungsstecker wie im Folgenden beschrieben an die beiliegende Buchse angeschlossen werden.

Ziehen Sie 23 mm der Abschirmung des Stromkabels ab. Schneiden Sie den Phasenleiter und den Nullleiter 15 mm ab und lassen Sie den Erdungsleiter so, wie er ist. Entfernen Sie die Isolierung der drei Leiter so weit wie erforderlich. Ziehen Sie die Kabelklemme 3 ab und schrauben Sie das Steckerende 1 ab, um zu den vier teilen gelangen, aus denen die Steckverbindung besteht.

Stellen Sie sicher, dass der Anschluss richtig vorgenommen worden ist. Schrauben Sie die beiden Teile 4 und 2 wieder zusammen. Sichern Sie das Stromkabel durch Anschrauben des Steckerendes 1. Die Buchse kann jetzt direkt an den Leistungsstecker des Instruments angeschlossen werden.

Befestigen Sie die Buchse handfest an dem Leistungsstecker des Instruments. Hinweis: Alle losen Verbindungskabel sollten mit Kabelbindern aus Kunststoff zusammengefasst werden. Es ist ausgesprochen wichtig, dass die Sensoren an die richtigen Messkarten angeschlossen werden. Achten Sie dabei besonders auf die Installation und den Anschluss der Reinigungsgaszufuhr. Das Instrument weist keinen Schalter zum Einschalten auf.

Zum Ausschalten des Instruments muss die Stromversorgung unterbrochen werden. Die Anzeige kann so konfiguriert werden, dass sie nur Sensormessung oder eine parameterisierte. Wenn ein Textfeld bearbeitet werden muss und angeklickt wird, erscheint eine virtuelle Tastatur auf dem Bildschirm. Sie kann wie eine Standard-Tastatur verwendet werden. Dazu ist ein Benutzer mit der Zugangsebene 4 erforderlich.

Der Benutzer muss sich selbst identifizieren, um Zugang zu den verschiedenen Ansichten zu erhalten. Dies ist die Standardansicht und zeigt der Messwert wird, die Temperatur der Probe, und eine Kurve mit der Entwicklung des Messwerts in dem eingestellten Zeitrahmen an. Die Bildschirmanzeige wird nach jedem Messzyklus aktualisiert. Numerische Ansicht , um die Anzeige entsprechend anzupassen:. Diese Funktion bietet statistische Daten. Die Statistiken werden aus den Daten der Messwertdatei berechnet.

Wenn eine. Die Hysterese wird verwendet, um eine schnelle Umschaltung des Relais zu vermeiden,. Stellen Sie sie auf ein Minimum ein,. Falls der Alarm Hoch zum Beispiel. Stellen Sie sie. Der Filter wird auf den letzten Messungsdatensatz angewendet, wenn eine Messung vorgenommen wird. Stellen Sie der Messungsfilter Aktiviert oder Deaktiviert. Falls aktiviert stellen Sie der filter Durchschnitt oder Median. Durchschnitt ist der Mathematischer Durchschnitt des letzten Messungsdatensatzes.

Median gestattet die Beseitigung atypischer Spitzen der Messwerte und bildet den. Durchschnitt der verbleibenden. Die Berechnung sortiert den Satz der letzten Messung. In einigen Anwendungen z. Bei der Anwendung dieses Verfahrens verliert das System Empfindlichkeit, die ca. Wenn der. Prozess zu starten. Es erscheint eine Warnung, die Ihnen mitteilt, dass der Vorgang. Im Modus Einmal speichern , startet und stoppt die Aufzeichnung der Messwerte.

Hinweis: Der Temperatursensor wird im Werk kalibriert und kann nur von einem Vertreter von Hach Lange gewechselt werden. Die Kalibrierung kann nur vorgenommen werden, nachdem das Instrument installiert und konfiguriert und der Kanal eingerichtet worden ist.