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CA 6472 Earth resistance analyzer

Elma Instruments
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Product description

Type no.:
LM no.:
Own product no.:
5706445290970
6398901925
-
Discount code:
UNSPSC Code:
Customs code:
80160869012
41113612
90303900
CA 6472 er et uundværligt instrument, hvor der laves service og kontrol af jordingsanlæg samt analyse af jordmodstandsforhold, effektivt og præcist. CA 6472 is able to measure all known measuring methods. If you connect the multi functional instrument to the CA 6472 amplifier unit CA 6474, also called Pylonbox, via a communication cable. It together gives new possibilities in analyzing the earthing system on high voltage pylons. CA 6472 measuring by using the the switch these measurements: Resistance measurements mΩ, 2 or 4 pole at 16VDC. The measurement is done automatically by switching polaritet by means of a DC voltage. If the resistance is less than 20 Ω, there will be a current on 200mA. Measuring of loop resistance on earth 3or 4 pole (4 pole with or without clamp). Selective measurement of loop resistance for earth is made on a 4 pole connection and a current clamp. The measurements shall be made by AC voltage. Resistance measurement 4 pole using the Wenner or Schlumberger method. The Schlumberger method is the fastest measurement, but requires that the instrument is accurate. The distances is typed in before the measurement. CA 6472 calculates and shows the results directly in the display. The measurements shall be made by AC voltage. On a field coupling measurement you have to take 3 measurements. The instrument makes sure that the measurements are made at the right time. Earth potential V pot. The measurement is made 3 pole. The distances are typed in and the measuring results is shown on the display. They are stored in the memory for later use with the including software. The measurements shall be made by AC voltage. Loop resistance R loop is made with two current clamps. Number one is inducing a signal with a frequency on 1367 Hz. Number two is measuring the current in the loop. If you use a current clamp you have to use one of following types: C182 or MN82. The winding number and the measuring properties in the current clamps are specially calibrated in CA 6472. Measuring with 4 flexible Ampflex current clamps is happening using the Pylon box CA 6474. CA 6472 has backlighted LCD display, programmable alarms, smoothing function on the measurements, and memory for storing of all measurements. CA 6472 Complies with EN 61010-1 Cat.IV 50Veff, And is delivered with manual, charger, Data export software, fiberglass/USB cable and 2 pc. C182 current clamps. Technical data: mΩ: Measuring voltage: +/- 16VDC Measuring current: +/- 260mA Measuring range: 0,001 Ω to 99,99 kΩ Accuracy: +/- 2% + 2D Loop resistance: Measuring voltage: 16/32VAC Measuring frequency: 128 Hz Measuring range: 0,001 Ω to 99,99 kΩ Accuracy: +/- 2% + 1D Resistance measurement: Measuring voltage: 16/32VAC Measuring frequency: 128 Hz Measuring range: 0,001 Ω to 99,99 kΩ Accuracy: +/- 2% + 1D Earth potential: Measuring voltage: 16/32VAC Measuring frequency: 128 Hz Measuring range: 0,01mV to 32V Accuracy: +/- 5% + 1D Loop resistance: Measuring current: < 26Arms (C182), < 5Arms (MN82) Signal frequency: Auto: 1367 Hz, manual:1367Hz, 1611Hz, 1758Hz Measuring range: 0 til 500 Ω Accuracy: +/- 5% + 1D Ampflex: Open circuit voltage: 16 or 32Vrms Short circuit current: > 200 mArms Measuring frequency: 41 Hz til 5078 Hz Accuracy: +/- 5% + 1D Memory: Up to 512 measurements Data transferring: Optical/USB, optical/RS 232 Battery: NiMH Protection class: IP 53 open Size: 270 x 250 x 180 mm Weight: 3,2 kg
HukommelseOp til 512 målinger
Vægt (kg)3,2
HxBxD (mm)270x250x180
BatteriNiMH
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