Ahlborn ALMEMO 2290-8 Operating Instructions Manual Download

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Operating Instructions

Data Logger

ALMEMO

2290-8

V2.1

04.12.2003

ALMEMO

2290-8

Summary of Contents for ALMEMO 2290-8

Page 1: ...Operating Instructions Data Logger ALMEMO 2290 8 V2 1 04 12 2003 ALMEMO 2290 8 1...

Page 2: ...Voltage Supply 13 3 3 Switch On Off Reinitialisation 14 3 4 Battery Buffer 14 4 CONNECTION OF THE TRANSDUCERS 15 4 1 Transducers 15 4 2 Measuring Inputs and Additional Channels 15 5 DISPLAY AND KEYBO...

Page 3: ...annel Output Format 34 7 3 2 Measuring Cycle and Memory Activation 35 7 3 3 Conversion Rate Continuous Measuring Point Scan 35 7 3 4 Time and Date 36 7 3 5 Time and Date of Start Time and Date of End...

Page 4: ...nterface module RS232 fiber optics Centronics manual section 5 2 The entire ALMEMO networking system manual section 5 3 All functions and their control via the interface manual section 6 A complete in...

Page 5: ...e normal measuring junctions Furthermore function channels for special measuring tasks are provided to determine temperature coefficient Q t and wet bulb globe temperatures Dimension The 2 digit dimen...

Page 6: ...ogue output Measured Value A continuous presentation of measuring data from the selected measuring point is provided and also includes automatic zero point correction and optional correction of the me...

Page 7: ...rovides a cyclic output of measured values to the interfaces or memories and also provides a cyclic averaging Print Cycle Factor If necessary the print cycle factor allows for limiting the data output...

Page 8: ...s of the LCD display RS232 RS422 Ethernet and a Centronics interface are available by using different interface cables All data logs measured values and programmed parameters can be provided as output...

Page 9: ...lectr isol ZB 2290 UK 10 30V 5 LCD Display 6 Function Keys 7 Function Selector Switch 8 Battery Box back of unit Alkaline mangan battery 9V 6F22 Space for spare battery 5 LCD Display a Symbols for ope...

Page 10: ...ase A MAX VALUE F analogue output end AE MIN VALUE F analogue output start AS AVERAGE V F averaging mode AM F F number of aver values C RANGE F locking mode LM F F locking code LC LV MAX F action Hi s...

Page 11: ...a bits 1 stop bit no parity at peripheral device see 8 1 Use key CH within function OUTPUT CYCLE to set the output channel U and possibly the format columns nU or spreadsheet table tU see 7 3 1 Use ke...

Page 12: ...tteries The battery box 8 is located at the underside of the instrument 1 Press the area that is marked with the arrow and at the same time pull as marked by the arrow as illustrated left 2 Use the co...

Page 13: ...t charged when delivered If NiCD cells are only partly discharged the full capacity cannot be reached by a normal recharging Therefore use the instrument until the rechargeable batteries are completel...

Page 14: ...4 If the device shows an irregular behaviour due to interference influences e g electrostatical charging or wrong connection of peripheral devices or if incorrect programming must be avoided the devic...

Page 15: ...the cable Both levers must be pressed on the sides for disconnecting the connector 4 2 Measuring Inputs and Additional Channels The measuring instrument ALMEMO 2290 8 has 5 input sockets 2 that the m...

Page 16: ...ithin one connector and sensors with an own power supply are electrically connected to each other and must therefore be operated in isolation The voltage applied to the measuring inputs must not excee...

Page 17: ...additional functions can be selected by the key F The presentation of the functions on the display is as follows Meas Val chann meas value dimension 19 2 1 2 3 4 mV Range chann short name dimension 1...

Page 18: ...ring range minimum value flashes Exceeding of limit value arrow ALARM illuminated Undershoot of meas range CJ compens cold junction Measuring without ext CJC or CJC break flashes Exceeding of range of...

Page 19: ...maximum value follows 9 or 5 The sign can be changed using the key A switch to the next digit is performed using the key To switch back to the previous digit press and hold the key 1s The programming...

Page 20: ...fied the comprehensive programming options have to be used It must be considered that standard sensors are by a locking mode protected against unintentional modification and that the locking level mus...

Page 21: ...the programming can be completed by pressing ENTER once again and the data is transmitted to the connector All programming values of the input channel are then cleared Function Selection RANGE 1 N i...

Page 22: ...A915 S140 0 40 40 00 m s S140 Snap on head Micro 20 FV A915 S220 0 50 20 00 m s S220 Snap on head Micro 40 FV A915 S240 0 60 40 00 m s S240 Macro FV A915 MA1 0 10 20 00 m s L420 Water Micro FV A915 WM...

Page 23: ...ut of measuring and calculated variables with the corresponding reference channels is described in the manual section 6 3 4 Switch off i e deactivation of a programmed measuring channel Function RANGE...

Page 24: ...ension has been set the programming can be completed by the key ENTER Function MEAS VAL DIM ENTER ENTER 1st dim change 2nd dim change End When the dimension F is entered a temperature value in degrees...

Page 25: ...If correction values are programmed and as a result the measured value is corrected the arrow CORR will be indicated in the display Sensor Adjustment To simplify the correction of sensors for the zer...

Page 26: ...ng the EXPONENT Function Base value BASE input see 5 3 Function Factor Exponent FACTOR input see 5 3 The arrow CORR will be indicated in the display if scaling values are programmed and if the measure...

Page 27: ...e protected by the locking mode up to an adjustable locking level Before any programming is performed the locking mode must be correspondingly lowered If a dot is indicated following the locking mode...

Page 28: ...anual 6 10 13 2 7 1 Continuous Measurement of a Measuring Point As long as no cycle and no continuous measuring point scan have been programmed e g after a reinitialisation see 3 3 only the measured v...

Page 29: ...r data temp wind etc as above of consumption values current water gas etc The average value of a measured value results when a number of A measured values Ai are added together and then divided by the...

Page 30: ...arrow AVERAGE will be illuminated in the display 4 Stop the averaging by operating the same key START STOP the arrow AVERAGE disappears and the average value can be read Averaging over a Number of Si...

Page 31: ...easured Value to Zero The user can zero the measured value at certain locations or at certain times in order to check the deviation from this reference value The indicated measured value is by the fol...

Page 32: ...ble in this context 1 With pH probes if the two keys ENTER and F are pressed during switch on the locking is only temporary i e until the device is switched off and set to 3 An undesired adjustment ca...

Page 33: ...int scans can be used to acquire indicate and in most cases to document data from the selected measuring point and also from other measuring points Single measuring point scans for acquiring the momen...

Page 34: ...he automatic measuring point scan can be achieved by operating the key START STOP once again The indications START RS232C and MEMORY will disappear Stop Cyclic Meas Point Scan Key START STOP 7 3 1 Pri...

Page 35: ...s out memory to interface in a list S Meas values interface and memory Meas values one channel from memory in a list to analog output n S Meas values interface and memory in columns t S Meas values in...

Page 36: ...rface Function Conversion Rate CR MEAS CYCLE Key Example 10M s continuous with saving Change conversion rate Memory on off ENTER ENTER CH 7 3 4 Time and Date The ALMEMO 2290 8 is equipped with a real...

Page 37: ...DATE see 5 3 Clearing of the values is performed by using the keys ENTER CLEAR 7 3 6 Start and Stop by Limit Values Another possibility for starting or stopping a data logging automatically is the tri...

Page 38: ...e memory i e measuring point scans in the print cycle or manually started scans and also alarm outputs e g exceeding of limit values in the measuring cycle For starting a cyclic storing the key START...

Page 39: ...ce of the internal memory This will also be visible at the display of the memory capacity Left of the memory space a 2 digit connector number will be indicated For identification of the connector it c...

Page 40: ...idual measured values F re start automatic output OUTPUT cancel automatic output CLEAR During the memory output the arrow MEMORY is indicated for control purposes similar to when recording At the end...

Page 41: ...ments can be allocated to certain measuring locations or measuring points see manual 6 7 Displaying the Number NUMBER N 1 2 0 1 A Example Room No 12 Meas Point 1 active Programming of the 6 digit numb...

Page 42: ...imum of 2 minutes If both are programmed the measuring cycle will be ignored 2 Start measuring point scan using the key START STOP The starting and stopping by the start and end time and also by the l...

Page 43: ...ired transmission rate has been selected the programming can be terminated by operating the key ENTER once again The baud rate setting will be stored in the EEPROM of the interface module and will the...

Page 44: ...ach function with key OUTPUT Switch Func Key Print Output MEAS VAL 12 34 00 01 0023 5 C MAX VALUE MAXIMUM 01 0020 0 C MIN VALUE MINIMUM 01 0010 0 C AVERAGE V AVEARGE VAL 01 0017 8 C AVERAGE V all meas...

Page 45: ...T D FACTOR EXP AVG COMMENT 01 NiCr 0123 4 C 1 0350 E 0 Designation 02 NiCr 0012 0 C E 0 CONT Water MEAS CYCLE 00 00 30 S S0501 9 F0304 7 A W010 C SU PRINT CYCLE 00 10 00 U 9600 bd START TIME 00 07 00...

Page 46: ...00 0 C To achieve this the analogue output start and the analogue output end of the desired measuring range must be entered within the functions AS and AE see manual 6 10 7 If the initial value is zer...

Page 47: ...nt test or blockage during operation Remedy Check cabling for inadmissible electrical connection disconnect all suspicious sensors hold hand held sensors in air or connect dummies and check short circ...

Page 48: ...hort report and possibly control printouts The software AMR Control allows to print the monitor pages including the programming and also to save the terminal operation and to print it out 11 ELECTROMA...

Page 49: ...strength 70 C max Operating Conditions Operating temperature 10 60 C Storage temperature 30 60 C Humidity of ambient air 10 90 rH non condensing Extent of the Delivery Measuring Instrument ALMEMO 2290...

Page 50: ...50 ALMEMO 2290 8 Appendix...

Page 51: ...ALMEMO 2290 8 51 Appendix...

Page 52: ...52 ALMEMO 2290 8 Appendix...

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