Delta HD2105.1 Operating Manual Download Page 1

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Operating manual

pH meters / thermometers

HD2105.1 – HD2105.2

www.deltaohm.com

Companies / Brands of GHM

English

Keep for future reference.

Summary of Contents for HD2105.1

Page 1: ...Operating manual pH meters thermometers HD2105 1 HD2105 2 www deltaohm com Companies Brands of GHM English Keep for future reference ...

Page 2: ...ES 24 INSTRUMENT SIGNALS AND FAULTS 25 LOW BATTERY WARNING AND BATTERY REPLACEMENT 27 INSTRUMENT STORAGE 28 SERIAL INTERFACE AND USB 29 STORING AND TRANSFERRING DATA TO A PERSONAL COMPUTER 31 THE LOGGING FUNCTION ONLY FOR HD2105 2 31 CLEARING THE MEMORY ONLY FOR HD2105 2 31 THE PRINT FUNCTION 32 CONNECTION TO A PC 33 CONNECTION TO THE RS232C SERIAL PORT OF THE INSTRUMENT 33 CONNECTION TO THE USB 2...

Page 3: ...es which can be transferred from the instrument connected to a PC via the RS232C serial port or USB 2 0 port The storing interval printing and baud rate can be configured using the menu The HD2105 1 and HD2105 2 models are fitted with an RS232C serial port and can transfer the ac quired measurements in real time to a PC or to a portable printer Display printing and for the model HD2105 2 storing a...

Page 4: ...HD2105 4 V2 3 Temperature pH meter HD2105 1 ...

Page 5: ...menu decreases the current value 10 SERIAL key starts and ends the data transfer to the serial communication port 11 MENU key allows access to and exit from the menu 12 pH mV ESC key when pressed for at least one second changes the main variable measure ment between pH and mV When the Auto HOLD function is enabled slight pressure updates the measurement In the menu cancels the operation in progres...

Page 6: ...HD2105 6 V2 3 Temperature pH meter HD2105 2 ...

Page 7: ...nstrument s memory 11 LOG DUMP LOG key during normal operation starts and ends the saving of the data in the internal memory in the menu starts the data transfer from the instrument s memory to the PC 12 Mini USB type B connector for USB 2 0 For the connection to PC with cable CP23 13 MENU key allows access to and exit from the menu 14 pH mV ESC key when pressed for at least one second changes the...

Page 8: ...e instrument ready for normal measurement MIN cm min s 2 3 m µ m k During turning on should no probes be connected the message NO_PRBE_ SER_NUM is displayed in the line for symbols for a few seconds and in the secondary line the last manually set temperature appears The unit of measurement symbol C or F starts blinking and a letter m meaning manual appears next to the battery sym bol When the prob...

Page 9: ... meanings please see the description of this menu item below Attention the data captured using the Record function cannot be transferred to the PC CAL key It increases the current parameter when used in the menu when used in measurement mode it starts the pH electrode calibration please see the chapter dedicated to calibration on page 17 C F key When the temperature probe is connected the measured...

Page 10: ...ayed use the arrow keys and The current value is confirmed by pressing the ENTER key and the display moves on to the next parameter If pressing ESC the setting is cancelled To exit the menu press the MENU key at any time The menu items are listed in this order 1 Management of memorized data only HD2105 2 the message LOG_DUMP_or_E RAS Transfer data or erase is scrolled in the comment line The cente...

Page 11: ...nterval point 2 the instrument goes into HOLD mode presenting the final stable value 2 digit 10s t pH pH1 To perform a new measurement it is necessary to press again the pH mV key 4 Print and log interval sets the interval in seconds between two loggings or data transfers to the serial port The interval can be set at 0 1s 5s 10s 15s 30s 60s 1min 120s 2min 300s 5min 600s 10min 900s 15min 1200s 20mi...

Page 12: ... buffer selects the value of the third buffer for the pH electrode calibra tion No buffer solution values too close less than 2pH to the first two buffers are pro posed This is also true for the USER buffer defined by the user at the SET USER BUFR step The selection NIL no buffer disables the current buffer The USER buffer is not compensated for temperature Please see the paragraph dedicated to ca...

Page 13: ...nute is reached press C F this synchronizes the time to the second Press ENTER to go onto the next item 19 BAUD_RATE indicates the frequency used for the serial communication with the PC Values from 1200 to 38400 baud Use the arrows to modify this parameter and confirm us ing ENTER The communication between instrument and PC or serial port printer only works if the instrument and PC baud rates are...

Page 14: ...ting operation is accompanied by the display of the RS232 symbol and the blinking of the battery symbol when using an external power supply the battery symbol does not appear Press SERIAL to end the continuous printing Before starting the printing with SERIAL set the baud rate To do so select the Baud Rate menu item and select the maximum value equal to 38400 baud by using the arrows Confirm by pr...

Page 15: ...aw Of this signal the following aspects are considered Zero point The pH where the electrode generates a potential of 0 mV In most electrodes this value is found at about 7pH Offset or Asymmetry Potential mV generated by an electrode when immersed in a buffer solution at 7pH Generally oscillates between 20 mV Slope response of the electrode expressed in mV per pH units The theoretical electrode sl...

Page 16: ...he correct value is not entered manually the extent of the error committed in pH measurement is proportional to temperature and pH value itself In absence of the temperature probe the lower display shows the manually set compensation tem perature default 25 C To point this condition out the C or F symbol blinks intermittently near the temperature value Moreover on the main display an m manual is t...

Page 17: ...EUTRAL 6 860 6 865 7 000 7 413 7 648 BUFR_2 ACID 1 679 2 000 4 000 4 008 4 010 BUFR_3 ALKALINE 9 180 9 210 10 010 The buffers in bold are predefined in the factory these are the DeltaOHM ones If electrode calibration was not carried out on the instrument or the batteries have been changed or the last calibration failed the display blinks the CAL message Calibration procedure 1 Insert the temperatu...

Page 18: ...ressed ENTER at all the calibration is interrupted by pressing pH mV ESC the previous values will continue to be used The buffers are always presented in the sequence set in the menu with the BUFR_1 BUFR_2 BUFR_3 parameters The 2 point calibration is possible using the sequence BUFR_1 BUFR_2 or BUFR_2 BUFR_3 or even BUFR_1 BUFR_3 The 3 point calibration is only possible us ing the exactly describe...

Page 19: ...25 C 4 01 pH 25 C C pH C pH C pH C pH 0 6 98 50 6 83 0 4 01 50 4 06 5 6 95 55 6 83 5 4 00 55 4 07 10 6 92 60 6 84 10 4 00 60 4 09 15 6 90 65 6 85 15 4 00 65 4 10 20 6 88 70 6 85 20 4 00 70 4 13 25 6 86 75 6 86 25 4 01 75 4 14 30 6 85 80 6 86 30 4 01 80 4 16 35 6 84 85 6 87 35 4 02 85 4 18 40 6 84 90 6 88 40 4 03 90 4 20 45 6 83 95 6 89 45 4 05 95 4 23 9 18 pH 25 C C pH C pH 0 9 46 50 9 01 5 9 39 5...

Page 20: ...nd part of the probe In the temperature measurement by penetration the probe tip must be inserted to a depth of at least 60mm the sensor is housed in the end part of the probe When measuring the temperature on frozen blocks it is convenient to use a mechanical tool to bore a cavity in which to insert the tip probe In order to perform a correct contact measurement the measurement surface must be ev...

Page 21: ...e are the 1 4 points on which the sensor wires must be welded The JP1 JP4 jumpers are in the center of the board These must be closed with a tin bead for some type of sen sors 1 2 3 4 Pt100 3 wires Pt1000 Ni1000 NotUsed Before welding pass the probe cable through the fairlead and gasket Weld the wires as shown in the table Sensor TP47 card connection Jumper to close Pt100 4 wires 4 JP4 3 JP3 1 JP1...

Page 22: ...t100 sensors 4 wire Pt100 sensors can be soldered directly to the pins of the free female connector without making use of the TP47 board The 4 wires of the Pt100 sensors have to be soldered as indicated in the figure on the left In order to use this type of probe it is necessary to set up the menu item Probe Type as described at page 12 The P100 probe is recognized upon turning on the instrument c...

Page 23: ...s must be held perpendicular against the surface Apply oil or heat conductive paste between the surface and the probe in or der to improve contact and reduce reading time Whatever you do do not use water or solvent for this purpose A contact measurement is always very hard to perform It has high levels of uncertainty and depends on the ability of the operator 10 Temperature measurements on non met...

Page 24: ...ollowing are listed some problems that frequently occur and the possible solutions Wrong pH measure Perform the following checks Check the diaphragm is not blocked and if necessary clean it using HD62PT solution Check the reference system is not polluted and if the electrode is refillable replace the electrolyte Check that the tip of the electrode has no air bubbles inside and that the electrode i...

Page 25: ...e or the mV measurement is included in the 2 0 2 4V range UNDR Measurement overflow this appears when the mV measurement is in cluded in the 2 4 2 0V range LOG MEM FULL Memory full the instrument cannot store further data the memory space is exhausted NEW PROBE DET This message appears when a probe is inserted into a functioning in strument Turn the instrument off and then back on again PROB ERR A...

Page 26: ...ation date month day hour minutes LOG In PROG logging in progress LOG MEM FULL memory full LOG_CLRD memory data cleared LOG_STOP logging complete LOG_STRT logging started MIN USE_UNIT_TO_ZERO SEC minutes use the UNIT key to reset the seconds MNTH month NEW_PROB_DET new probe detected NIL disable current buffer OFFS offset OVER maximum limit exceeded pH RES pH measurement resolution PLS_EXIT FUNC R...

Page 27: ...ase replace the batteries in order to turn the instrument back on In order to avoid data loss the logging session is ended if the HD2105 2 is logging and battery voltage falls below the minimum operating level The battery symbol turns off when the external power supply is connected To replace the batteries switch the instrument off and unscrew the battery cover counter clockwise After replacing th...

Page 28: ... leaking Always use good quality leakproof alkaline batteries Sometimes on the market it is possi ble to find new batteries with an insufficient charge capacity INSTRUMENT STORAGE Instrument storage conditions Temperature 25 65 C Humidity less than 90 RH without condensation Do not store the instrument in places where Humidity is high The instrument may be exposed to direct sunlight The instrument...

Page 29: ...ble Instrument port PC port Installation of USB drivers HD2110CSNM RS232 MiniDin RS232 9 pole SubD No C 206 RS232 MiniDin USB Yes CP23 USB Mini USB USB No The instrument standard serial transmission parameters are Baud rate 38400 baud Parity None N bit 8 Stop bit 1 Protocol Xon Xoff It is possible to change the RS232C serial port baud rate by setting the Baudrate parameter in the menu please see p...

Page 30: ...ase data in flash memory LUAn Sets the unit of measurement for the temperature n 0 C n 1 F LUBn Sets the unit of measurement for the pH n 0 pH n 1 mV RA Reading of LOG PRINT interval set RP 600 Battery level Resolut 0 01V RUA U C Channel A unit of measurement RUB U pH Channel B unit of measurement WA Setting LOG PRINT interval is a hexadecimal number 0 D that represents the position of the in terv...

Page 31: ...e LOG key the instrument logs the first data and turns off 15 seconds before the next logging instant it turns on again to capture the new sample and then turns off The data stored in the memory can be transferred to a PC using the DUMP LOG command MENU LOG During data transfer the display shows the message DUMP to stop the data transfer press ESC on the instrument or on the PC CLEARING THE MEMORY...

Page 32: ... g Hyperterminal only through the RS232 serial port of the instrument using the cable HD2110CSNM or the cable C 206 Connect the HD40 1 printer using cable HD2110CSNM NOTES The print out is formatted across 24 columns Some keys are disabled during serial transmission The following keys work ON OFF FUNC Max Min Avg and LOG The FUNC key has no effect on the print outs only on the display If the Auto ...

Page 33: ...t instrument must be switched off 2 Using the Delta Ohm HD2110CSNM or C 206 cable connect the measurement instrument to the first free RS232C COM or USB serial port of the PC 3 Turn on the instrument and set the baud rate to 38400 MENU ENTER until the Baud Rate parameter select 38400 using the arrows confirm with ENTER The parameter remains in the memory until replacement of the batteries 4 Start ...

Page 34: ...rational safety of the instrument can only be guaranteed under the environmental and electrical operating conditions that are in specified in chapter TECHNICAL CHARACTERISTICS Do not use or store the product in places such as listed below Rapid changes in ambient temperature which may cause condensation Corrosive or inflammable gases Direct vibration or shock to the instrument Excessive induction ...

Page 35: ... adapter 100 240Vac 12Vdc 1A Units of measurement pH mV C F Security of memorized data Unlimited independent of battery charge conditions Time Date and time Schedule in real time Accuracy 1min month max drift Measured values storage model HD2105 2 Type 2000 pages containing 17 samples each Quantity 34000 pairs of measurements composed of pH or mV and C o F Selectable storage interval 1s 5s 10s 15s...

Page 36: ...igit Input impedance 1012 Ω Calibration error 25 C Offset 20mV Slope 63mV pH or Slope 50mV pH Sensitivity 106 5 or Sensitivity 85 Automatic manual temperature compensation 50 150 C Standard solutions automatically detected 25 C 1 679pH 2 000pH 4 000pH 4 008pH 4 010pH 6 860pH 6 865pH 7 000pH 7 413pH 7 648pH 9 180pH 9 210pH 10 010pH Measurement of mV by instrument Measurement range 1999 9 1999 9mV R...

Page 37: ...ar Glass body GEL filled 1 Teflon ring diaphragm Varnish Cosmetics Water emulsions Galvanic Creams Deionised water TRIS buffer Drinking water Fruit juices Solutions of low ionic content Mayonnaise Pre served foods Paints Titra tion Titration in water solu tions Water suspensions Soap Waste water Viscous samples KP61 2 14pH 0 80 C 2bar Glass body Liquid reference 3 ceramic diaphragms Waste water Mi...

Page 38: ... water Drinking water Water emul sions Fruit juices Soap So lutions of low ionic content Preserved foods Water sus pensions Titration Titration in water solutions TRIS buffer Waste water Viscous samples Wine KP70 2 14pH 0 50 C 0 1bar Body epoxy GEL filled 1 open hole Mixtures Bread Paints Varnish Cosmetics Creams Drinking water Water emul sions Fruit juices Galvanic Soap Mayonnaise Pre served food...

Page 39: ...reference KCl 3M General use KP91 1000mV 0 60 C 1bar Epoxy body GEL filled Cable L 1m with BNC General use Not heavy duty 4 WIRE Pt100 AND 2 WIRE Pt1000 PROBES Model Type Application range Accuracy TP47 100 O 1 3 DIN Thin Film Pt100 4 wires 50 250 C 1 3 DIN TP47 1000 O 1 3 DIN Thin Film Pt1000 2 wires 50 250 C 1 3 DIN TP87 100 O 1 3 DIN Thin Film Pt100 4 wires 50 200 C 1 3 DIN TP87 1000 O 1 3 DIN ...

Page 40: ...472I 5 Immersion 50 C 400 C 0 3 C 50 C 300 C 0 6 C 300 C 400 C TP472I 10 Immersion 50 C 400 C 0 3 C 50 C 300 C 0 6 C 300 C 400 C TP49A I Class A Immersion 70 C 250 C 0 25 C TP49AC I Class A Contact 70 C 250 C 0 25 C TP49AP I Class A Penetration 70 C 250 C 0 25 C TP875 I Globe thermometer Ø 150 mm 30 C 120 C 0 25 C TP876 I Globe thermometer Ø 50 mm 30 C 120 C 0 25 C TP87 O 1 3 DIN Thin Film Immersi...

Page 41: ...re battery pack for HD40 1 printer with in built temperature sensor RCT The kit includes 4 thermal paper rolls 57mm wide and 32mm in diameter HD22 2 Laboratory electrode holder composed of basis plate with incorporated magnetic stirrer staff and replaceable electrode holder Height max 380mm For 12mm electrodes HD22 3 Laboratory electrode holder with metal basis plate Flexible electrode holder for ...

Page 42: ... 15m with BNC connector on one side and S7 on the other side for electrode with S7 connector CE S7 screw connector for pH electrode BNC Female BNC for electrode extension ORP ELECTRODES KP90 REDOX PLATINUM electrode with screw connector S7 electrolyte KCl 3M glass body KP91 REDOX PLATINUM electrode general use not heavy duty GEL filled cable 1m with BNC glass body pH STANDARD SOLUTIONS HD8642 Stan...

Page 43: ...Contact probe sensor Pt100 Stem Ø 4 mm length 150 mm Cable length 2 metres Aluminium handle TP49AP I Penetration probe sensor Pt100 Stem Ø 2 7 mm length 150 mm Cable length 2 metres Aluminium handle TP875 I Globe thermometer Ø 150 mm with handle Cable length 2 metres TP876 I Globe thermometer Ø 50 mm with handle Cable length 2 metres TP87 O Immersion probe sensor Pt100 Stem Ø 3 mm length 70 mm Cab...

Page 44: ...length 2 metres TP47 Only connector for probe connection Pt100 direct 4 wires Pt1000 and Ni1000 2 wires DELTA OHM metrology laboratories LAT N 124 are accredited by ACCREDIA for Tem perature Humidity Pressure Photometry Radiometry Acoustics and Air Velocity They can supply calibration certificates for the accredited quantities ...

Page 45: ...HD2105 45 V2 3 NOTES ...

Page 46: ...HD2105 46 V2 3 NOTES ...

Page 47: ......

Page 48: ...third parties is excluded from the guarantee The instrument shall be returned FREE OF SHIPMENT CHARGES to your dealer The jurisdiction of Padua applies in any dispute The electrical and electronic equipment marked with this symbol cannot be disposed of in public landfills According to the Directive 2011 65 EU the european users of electrical and electronic equipment can return it to the dealer or ...

Page 49: ...he result of the constant development of the product This may produce some differences between the information written in this manual and the instrument you have purchased We cannot completely exclude the possibility of errors in the manual for which we apologize The data images and descriptions included in this manual cannot be legally asserted We reserve the right to make changes and corrections...

Page 50: ...GHM GROUP Delta OHM Delta Ohm S r l a socio unico Via Marconi 5 35030 Caselle di Selvazzano Padova ITALY Phone 39 049 8977150 Fax 39 049 635596 www deltaohm com info deltaohm com V2 3 28 08 2017 ...

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