NDL8000 - 6 Pages

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Catalogue excerpts

The NDL8000 series is a battery powered unit, able to record electrical parameters. These devices replace strip chart recorders in many applications, and they offer better accuracy, they are lighter in weight, rugged and maintenance free. The recorded data can be displayed on a PC.They are available for single and three-phase, 3 or 4 wiresnetworks.The 12 bit sampling and the True RMS calculation ensureaccurate measuring even by distorted vaweform.The recording start/stop can be operated by 2 keys easily.The command acknowledgment, the device status and the battery level are indicated by two LEDS.The non volatile FLASH type memory guarantee dataretention even by exhausted battery. The standard meterconfiguration includes a 2 MBytes memory, which can be increased to 4MBytes.The isolated RS232 allows the data logger to be connectedto a PC. By the TrueGraph software it is possible to see instantaeous measurements, set recordings and download recorded data.The TrueGraph software allows the graphic and tabularanalysis of recorded data. Moreover the software includes efficient statistical and data search functions.All data can be exported to word processors for furtheranalysis or as image files. ՕՕ The models for voltage measurement can be connecteddirectly up to 600 (750)V > AC L-L without the need forvoltage transformer. If this value is exceeded it is possible to set the PT value. Օ The models for current measurement can also interfacedirectly Rogowski coils without the need for externalintegrators. Excellent memory capacity and long life battery ensurea long period recording without the need for data dowloading. Օ Low cost, compactness and maintenance free are someof the advantages, in comparison with the conventional strip chart recorders. The user programmable recording parameters make theunit suitable to a large number of applications. The sampling rate can be selected between 1 second and 24 hours and the memorization can be chosen between wraparound or fill-in mode. > ՕՕՕ Load monitoring in electrical networks Power monitoring & control systems Օ Individual machine load monitoring Strip chart recorders replacement Օ Network anomalies recording and analysis > ENERGY MEASUREMENT AND CONTROLwww.algodue.com size="-1">

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The TrueGraph software is supplied with the data logger and allowsit to be connected to a PC in order to program it and to transfer its recorded data.The TrueGraph is an user-friendly software for Windowsenvironment; the online help support the user in every single operation.The software connection is carried out by the PC RS232 port usingthe supplied cable. At software running the connection is automatically carried out; if a data logger is connected to the PC serial port, it is detected after a few seconds and its identification data are displayed in a information window. Main FeaturesData Viewing...

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Power Supply Battery:6F22 - 9 V (alkaline, Zn-Cl or rechargeable) Battery Life:see Table on page 5 Voltage inputs Maximum measurable voltage:600 (750)V Rogowski coils (1):100mV / kA (full scale value on request)standard values: 1000A > AC max L-L (or L-N for single phase)other values on requestInput inpedence:>1.3 MOhm Load:max 0.15 VA for each phase Typical accuracy: 0.3% reading ѱ 0.05% full scale 1000A Clamps 20 / 200A Clamps Rogowski Clamps ACCESSORIES Carrying BagsClamp Connectors Current inputs > RMS , 2500A > RMS Clamp-on clamps (1):1V > RMS , direct current included (other valuesfrom 100mV...

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RECORDING RATENi-Cd 120mAhZn-Cl 300mAhAlkaline 600mAh 1 second> 5 days> 15 days> 30 days 6 seconds> 25 days> 2,5 months> 5 months 1 minute> 2,5 months> 7 months> 1 year NOTE: the instrument is in recording mode, without communication on RS232 port. The values are referred to theNDL8003-AAC model, the instrument with highest battery consumption. >

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