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Summary of Contents for XS Instruments 7 Vio
- Page 1 7 Vio pH - Cond - PC INSTRUCTIONS MANUAL Rev. 1.0 30.01.2020...
- Page 2 Rev. 1.0 30.01.2020...
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Page 3: Table Of Contents
Index Introduction ............................. 5 2. Safety information ............................6 • Definition of warning words and symbols ................... 6 • Reporting terms: ..........................6 Additional documents for safety ......................7 • • Use according to destination ....................... 7 • Basic requirements for a safe use ....................... 7 Unauthorized use .......................... - Page 4 Composition of the setup menu for Setting Menu ................31 Warranty ............................33 Warranty period and limitations .......................33 • Disposal of electrical devices ......................33 XS Instruments Via della Meccanica n.25 41012 Carpi (MO) ITALY Tel. +39 059.653274 Fax +39 059653282 www.xsinstruments.com Rev. 1.0 30.01.2020...
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Page 5: Introduction
Introduction XS Instruments, globally recognized as a leading brand in the field of electrochemical measurements, has developed this new line of portable instruments completely produced in Italy, finding the perfect balance between performance, attractive design and ease of use. The robustness and integrity of the case, the integrated brightness sensor and the practical carrying case make this instrument ideal for measurements directly in the field. -
Page 6: Safety Information
2. Safety information • Definition of warning words and symbols This manual contains extremely important safety information, in order to avoid personal injury, damage to the instrument, malfunctions or incorrect results due to failure to comply with them. Read entirely and carefully this manual and be sure to familiarize with the tool before starting to work with it. -
Page 7: Additional Documents For Safety
• Additional documents for safety The following documents can provide the operator with additional information to work with the measuring system safely: • operating manual for electrochemical sensors; • safety data sheets for buffer solutions and other maintenance solutions (e.g. storage); •... -
Page 8: Responsibility Of The Owner Of The Instrument
When using chemicals or solvents, follow the manufacturer's safety data sheets. Instrumental features • Parameters pH 7 Vio: pH, mV, ORP, Temp COND 7 Vio: Cond, TDS, Temp PC 7 Vio: pH, mV, ORP, Cond, TDS, Temp Rev. 1.0 30.01.2020... -
Page 9: Datasheet
Temperature coefficient 0,00…10,00 %/°C COND 7 Vio - PC 7 Vio Temperature coefficient 0,1mg/l…200 gr/l / 0.40…1.00 Temperature pH 7 Vio - COND 7 Vio - PC 7 Vio Measuring range 0…100 °C Resolution / Accuracy 0,1 / ± 0,5°C Temperature compensation pH: 0…100 °C... -
Page 10: Instrument Description
Instrument description • Display Error symbol Measurement parameter Date and time Text string Battery charge level Indication of instrumental Actual value / Measure unit mode Stability Temperature type indicator compensation ATC - automatic NTC 30KΩ MTC - manual Text string Representation buffers used... -
Page 11: Led
• LED All the instruments are equipped with a two-colours LED (red and green) which provides the user with important information on the status of the system: Function Description Power on Fixed Power off Fixed Standby Flashing every 20 s Stable measure Flashing every 3 s Errors during calibration... -
Page 12: Replacement Of Batteries
In measure mode, press to scroll through the different parameters pH 7 Vio: pH mV ORP • Short • COND 7 Vio: Cond TDS PC 7 Vio: pH mV ORP Cond TDS • Rev. 1.0 30.01.2020... -
Page 13: Inputs / Outputs Connections
Use original accessories guaranteed by the manufacturer only. If necessary, contact your local distributor. The BNC connectors are protected by a plastic cap. Remove the cap before connecting the probes. PC 7 Vio upper panel RCA for pH Temperature Cond probe... -
Page 14: Operation Of The Device
To scroll through the different parameter screens, press the key ; the current measurement • parameter is shown in the display on the top left (e.g.: Sequence of parameters in measure mode: pH 7 Vio COND 7 Vio PC 7 Vio Conductivity Conductivity... -
Page 15: Setup Menu
Setup Menu • In measure mode, press the key to enter SETUP mode, select the parameter you want to edit by using the directional keys and confirming with pH 7 Vio COND 7 Vio PC 7 Vio pH SETTINGS COND SETTINGS... -
Page 16: Setup Menu Structure
• The value or parameter that is being edited is recognizable as it flashes on the display. The icon indicates that the value or parameter to choose is editable using the directional keys. • Press the key to return to the previous menu. •... -
Page 17: Temperature Measurement Atc - Mtc
Parameter pH 7 Vio; PC 7 Vio On this series of devices, it is possible to use pH sensors with integrated temperature probe or to connect two different sensors. Connect the pH electrode to the BNC type connector marked in green. Connect the temperature probe to the RCA / CINCH Temp connector always marked with a green background. - Page 18 The instrument automatically recognizes 2 families of buffers (USA and NIST); in addition, the user has the option of performing a manual calibration of up to 2 points with customizable values: USA Buffers: 1,68 - 4,01 - 7,00** - 10,01 (Factory setting) NIST Buffers: 1,68 - 4,00 - 6,86** - 9,18 Beaker Buffer value...
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Page 19: Automatic Ph Calibration
IMPORTANT: The factory reset of the parameters DOES NOT erase the stored data. P1.9 Temperature calibration All the instruments of this series are pre-calibrated for a correct temperature reading. However, if there is a difference between the measured and the real temperature (usually due to a probe malfunction), it is possible to perform an offset adjustment of + 5°C. -
Page 20: Calibration With Manual Values
beaker pH 10.01 appears next to the green and red beakers, indicating that the instrument is calibrated in the alkaline field. • At the end of the third calibration point, the instrument returns automatically to measure mode. • To perform a one- or two-point calibration, press the key once finished the first or second point. -
Page 21: Performing Ph Measurement
Note: If you are working with manual temperature compensation (MTC), update the value before calibrating the instrument • Performing pH measurement • In measure mode, press the key and move to the pH parameter indicated by the icon • Connect the electrode to the pH / ORP BNC of the instrument (green). If the user does not use an electrode with a built-in temperature probe or an external probe NTC 30KΩ, •... -
Page 22: Errors During Calibration
Otherwise, recalibrate the electrode; the data will be updated automatically. • The DHS electrode calibrated with a pH 7 Vio or PC 7 Vio device is ready to be used on any pH meter enabled for DHS recognition and vice versa. -
Page 23: Orp Parameter Setup
• ORP Parameter Setup • In measure mode press the key to access the SETUP menu. • Use the directional keys to move to ORP SETTINGS P2.0 and access the menu by pressing the key • Move with keys to select the program to access. The table below shows the setup menu structure for the ORP parameter;... -
Page 24: Conductivity Parameter
Filling solution for Redox electrodes. Conductivity Parameter COND 7 Vio, PC 7 Vio Connect the Conductivity probe to the BNC type connector marked in grey, while the temperature probe must be connected to the RCA / CINCH Temp connector always on a grey background. - Page 25 Program Description Options Factory Default Settings P3.1 CELL CONSTANT 0.1 - 1 - 10 P3.2 CALIBRATION METHOD AUTOMATIC / CUSTOM AUTOMATIC P3.3 REFERENCE TEMPERATURE 15 … 30 °C 25 °C P3.4 TEMP COMPENSATION FACTOR 0.00 … 10.00 %/°C 1.91 %/°C P3.6 CALIBRATION DATA P3.8...
- Page 26 the reference temperature. Therefore, the effect of temperature on the sample is corrected. • On the other hand, when measuring pH, the pH value at the displayed temperature is shown on the display. Here the temperature compensation involves the adaptation of the Slope and the electrode offset to the measured temperature.
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Page 27: Automatic Cond Calibration
���� − ���� To determine the calibration coefficient of a solution, the following formula is applied: �������� = 100���� ����2 ����1 ( ���� − 25 ) − ���� ���� (���� − 25) ����1 ����2 are Conductivity at temperature 1 (T1) Where tc is the temperature coefficient to be calculated, C and C and at temperature 2 (T2). - Page 28 stirred and making sure that there are no air bubbles in the cell. On the display, next to the string “POINT COND”, all the Conductivity values, that the instrument can • recognize, alternate. The string “WAIT FOR STABILITY” and the flowing red bands indicate that the measurement is not stable •...
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Page 29: Manual Cond Calibration
• Manual COND calibration Example: calibration at 5.00 µS / cm with sensor with Cell Constant 0.1 Access the Setup menu for COND SETTINGS and select in the P3.1 0.1 and in P3.2 Custom, • go back to the measurement and go into COND mode •... -
Page 30: Performing Conductivity Measurement
Never clean it mechanically, this will damage the electrodes compromising the functionality. For short periods, store the cell in distilled water, while for long periods, keep it dry. TDS Parameter COND 7 Vio, PC 7 Vio The Conductivity measurement can be converted into the TDS Parameter •... -
Page 31: Instrument Setup Menu
OFF – 2 MIN – 5 MIN 2 MIN P9.6* SELECT PARAMETER YES – NO for each parameter P9.8 RESET YES - NO P9.9 AUTO POWER-OFF YES – NO * Function available for PC 7 Vio only Rev. 1.0 30.01.2020... - Page 32 Once the display brightness is activated, the buttons reacquire their function (paragraph "Key function"). P9.6 Selection of the parameters Function available for PC 7 Vio only Through this setup menu, it is possible to select which parameters do NOT display in measure mode.
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Page 33: Warranty
Disposal of electrical devices This equipment is subject to the regulations for electronic devices. Dispose of in accordance with local regulations. Series 7 Vio ENG Version 1.0 Jan 2020 Rev. 1.0 30.01.2020...
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