Ahlborn ALMEMO 2450-1L Operating Instructions Manual Download Page 24

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Despite great care, incorrect information cannot be ruled out.

Technical changes are reserved.

Summary of Contents for ALMEMO 2450-1L

Page 1: ...____________________________ Operating instructions English Universal measuring instrument ALMEMO 2450 1L V2 4 03 11 2021 www ahlborn com...

Page 2: ...ing states LOBAT Battery voltage 3 8 V REL Relative measuring 3 Operating keys ON OFF Switch the device on To switch device OFF press and hold down M M Meas point selection MAX MIN Max min value cance...

Page 3: ...5 1 2 Measuring operations 10 6 Initial commissioning 11 7 Power supply 11 7 1 Battery operation and 11 7 2 Sensor supply 11 7 3 Switching ON OFF 11 7 4 Data buffering 12 8 Connecting the transducers...

Page 4: ...Relative measuring 19 11 Device configuration 19 11 1 Automatic switch OFF 19 11 2 Device locking 20 12 Trouble shooting 20 13 Declaration of conformity 21 14 Appendix 22 14 1 Technical data 22 14 2 P...

Page 5: ...lease ob serve the advisory notes in Chapter 12 Trouble shooting In the unlikely event that the device proves defective and you need to return it please wherever pos sible use the original packaging m...

Page 6: ...l waste management regulations Please dispose of cardboard boxes protective plastic packaging materials and all preservative substances separately and in the proper manner The disposal of the device i...

Page 7: ...unction with unsuitable peripheral equipment Use of the device for any purpose other than that for which it is intended Damage caused by electrostatic discharge or lightning DANGER Risk of fatal injur...

Page 8: ...eir own integrated power supply are not electrically iso lated from one another 4 2 Handling batteries rechargeable batteries cor rectly When inserting batteries rechargeable batteries ensure that the...

Page 9: ...ne measuring input suitable for most ALMEMO sensors with the single exception of resistance sensors The measuring possibilities are numerous there are 4 channels in the sensor connectors with over 40...

Page 10: ...duated locking function against undesired access 5 1 2 Measuring operations A total of up to 4 measuring channels are available for 1 transducer i e it is also possible to evaluate double sensors indi...

Page 11: ...r is supplied to the measuring instrument as delivered by 3 AA batteries At a current consumption of approx 10 mA the operating time will be approx 250 hours The current operating voltage is displayed...

Page 12: ...ur own existing sensors you simply need the appropriate ALMEMO connector 8 1 Transducers The ALMEMO Manual includes detailed descriptions of the ALMEMO range of sensors see Manual Ch 3 and instruction...

Page 13: ...suring ranges or scaling set tings and two or three sensors if pin assignment so permits can be combined in a single connector e g rH NTC mV V mA V etc The additional meas uring channel numbers per co...

Page 14: ...e function field comprises 41 2x 7 segment digits b for depicting various measuring functions a there are also 2 arrows f for depicting the operating status Function field Main field Display of measur...

Page 15: ...allowed Sensor breakage flashes Outside of measuring range undershoots cold junction compensation flashes or cold junction compensation breakage Overshoots values range 65000 flashes Overshoots measur...

Page 16: ...nd if the batteries are almost empty 3 8 V the LOBAT arrow also appears The measured value is then displayed with the appropriate units in the main field and the measuring point is displayed in the fu...

Page 17: ...00 V d2 60 Sensor voltage any 0 00 20 00 V UbAt Milliampere ZA 9601 FS1 0 000 26 000 mA I032 Percent 4 20mA ZA 9601 FS2 0 00 100 00 P420 Frequency ZA 9909 AK1 0 32000 Hz FrEq Digital input ZA 9000 EK2...

Page 18: ...ecorded To display these high low peak values first the desired channel must be set see Section 7 1 and then the MAX or MIN key must be pressed As a check the display also includes the asso ciated sym...

Page 19: ...thus also available for relative measurement 11 DEVICE CONFIGURATION On the ALMEMO 2450 measuring instrument a number of parameters can be configured To do so when switching ON press and hold down key...

Page 20: ...ling In such event try to pinpoint and clear the problem with the aid of the following tests Error No display display malfunction keys do not react Remedy Check the power supply replace the batteries...

Page 21: ...21 13 DECLARATION OF CONFORMITY...

Page 22: ...mm Function 4 x 7 segment 9 mm 9 symbols Operation 7 silicone keys Memory 1 Measured value on the RAM Power supply Batteries 3 AA alkaline batteries Current consumption approx 10 mA without input mod...

Page 23: ...easuring inputs 13 Measuring inputs 22 Measuring operations 16 Measuring ranges 16 minimum value 18 ON OFF 15 16 operating states 15 Options 22 Order no 22 Peak value memory 18 Power supply 11 22 Prod...

Page 24: ...Mess und Regelungstechnik GmbH Eichenfeldstra e 1 83607 Holzkirchen Germany internet http www ahlborn com e mail amr ahlborn com Despite great care incorrect information cannot be ruled out Technical...