1. Technical Specifications Measuring ranges: Data Logger -2 to 19 Storage capacity up to 400 readings, by channel . ± 2000 Storage the last 9 pH calibrations . M to 10 Temp -20 to 150 ºC (-4 to 302 ºF) Languages English, German, Spanish, French, Italian, Portuguese .
2. General information 2.2. Description As a result of constant improvements to our products sometimes differences may exist between this manual and the instructions supplied with the instrument . The sensION is an instrument with 2 measure- ™ MM340 ment channels to measure pH, mV or concentration with a selec- tive electrode .
3. Installation DANGER Only qualified personnel, following the local security regulations, should conduct the tasks described in this section of the manual . 3.1. Assemblage 1. Unpack the instrument . 2. Verify that the shift is in 6. Place the electrode on the same position than the electrode’s support .
4. Operation 3. Installation 3.2. Connections 4.1. Description Keys DANGER Make sure the power adapter matches your local power Switch on / Switch off . supply . Confirms the option displayed . When there is more than one option, accepts the one marked in negative . STIRRER 1 CHANNEL 2 CHANNEL 1...
4. Operation 4.2. Start-up 4.3. Factory configuration Connect to the rear panel of the instrument: The sensION is an instrument with 2 measurement ™ MM340 - the electrode to the corresponding channel . channels to measure pH, mV or concentration with a selective - the temperature probe (A .T .C .) integrated in the pH elec- electrode .
4. Operation 4.4. General diagram This is a general view over the way to access to all possibilities of the instrument: Channel 1 Channel 2 Measurement condit. Measurement condit. Resolution: 0.01 Meas.: stability Curve no: 1 View mV N. of decimals: 6 Limits: no Measure: stability Isopotential: pH 7...
4. Operation 4.5. pH calibration Diagram for calibration To measure pH correctly, the electrode and the instrument set 10-04-2010 17:15 need to be calibrated regularly with buffer solutions . This pH CALIBRATION compensates deviations of asymmetry potential and slope of the Channel 1 electrode over time .
Suitable when the two above mentioned options will not be Calibration frequency used . The sensION+ MM340 allows introducing the table pH/Temp . for the desired buffers . See System, page 17 . Select between 0 h and 7 days . The instrument by default is...
4. Operation 4.7. pH measurements Manual introduction of the temperature Measurement by stability 10-04-2010 17:15 This is the default measuring mode for the sensION ™ MM340 pH MEASURE New CAL in 12 h Meanwhile the reading is in evolution, it appears on the display Channel 1 momentaneously to orient the user .
4. Operation 4.9. pH measurement with a connected printer 4.9.1. Printer configuration The printer can be configured at the start-up of the instrument or afterwards according to: 10-04-2010 17:15 SYSTEM Measurement units SYSTEM Sample ID Data output SYSTEM SYSTEM SYSTEM SYSTEM Measurement units Data output:...
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4. Operation 4.9.3. Measurement Example of reports: Once the measurement has finished, the corresponding report will be printed automatically . Reduced report . The report can be “reduced”, “standard” or “GLP” in accord- REPORT of MEASUREMENTS ance with the selected option in “System”, see page 17 . SN:70802 V1.10 REPORT of MEASUREMENTS Thursday, 14 February 2010...
4. Operation 4.10. mV measurement 10-04-2010 17:15 SYSTEM SYSTEM SYSTEM The instrument factory configuration is: Measurement units Measurement units: Measurement units: Channel 1: pH Channel 1, pH . SYSTEM Sample ID Channel 2: ISE Channel 1: Channel 2, ISE . Data output Save changes Anyone of the 2 channels can measure pH, mV or ISE .
Measurement by stability Curve n. 1 N. of decimals: 6 Start ISE calibration Curve n. 2 It is the standard measurement mode of sensION+ MM340 . See Channel 2 Curve n. 3 Measure: stability Curve n. 4 details in “pH measurement”, page 10 .
4. Operation 4.12. Data Logger The sensION automatically memorizes the last 400 measurements by each Channel, the current calibrations, the ™ MM340 sensor’s history and the two Channels measuring conditions . All these data can be viewed at any moment on display, printed or sent to a PC . 10-04-2010 17:15 DATA LOGGER...
4. Operation 4.13. System Measurement units. pH, mV or ISE. 10-04-2010 17:15 SYSTEM SYSTEM SYSTEM Measurement units of channels . Measurement units Measurement units: Measurement units: Channel 1: pH If the measurement of Channel 2 is pH, it can be SYSTEM Sample ID Channel 2: ISE...
4. Operation 4.14. Temperature readjustment 4.15. User buffers Application The sensION allows the correction of the deviation ™ MM340 presented by a temperature probe (integrated in the electrode or When the buffers used in the calibration differ from the technical separated sensor) at 25º...
4. Operation 4.16. Isopotential (pHiso) 4.17. Recognized buffers Definition Buffer solutions Potential (mV) of one pH electrode that does not alter with the The sensION has in memory the following data (pH ™ MM340 temperature . This is the intersection point of the different cali- values as a function of the temperature) .
5. Sending data via the RS 232 C 6. Maintenance 6.1. Clean the instrument Specifications Baud Rate: 9600 bps Word length: 8 bits Important note: Never use cleaning such as turpentine, acetone Stop bits: 2 bits or similar products to clean the instrument including the display Parity: None and accessories .
The remedies of repair, replacement or refund of purchase price as stated above are the exclusive remedies for the breach of this warranty . On the basis of strict liability or under any other legal theory, in no event shall Hach Company be liable for any incidental or...
Contact Information HACH Company Repair Service in the Repair Service in Canada: Repair Service in World Headquarters United States: Hach Sales & Service Latin America, the P.O. Box 389 HACH Company Canada Ltd. Caribbean, the Far East, Loveland, Colorado Ames Service...
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