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Bartington PSU1 Operation Manual
Also see for PSU1: Operation manualOperation manual
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BARTINGTON INSTRUMENTSPage 12 of 18 OM2443/46.4. Connecting the EquipmentCaution: Do not connect or break the connection between the magnetometer and the PSU1with the PSU1 switched on, as this could cause damage to the magnetometer.Connect the equipment in the following sequence:1. Ensure the ON/OFF switch (item 5 above) is OFF (position “0”).2. Connect the magnetometer to the PSU1 magnetometer socket [11]. Ensure the connectorpins are correctly aligned with those in the socket. The locking ring should be hand-tightenedonly.3. Connect BNC outputs to your external equipment, as required.Note: When connected to the mains, the PSU1 will operate without any battery cells beinginstalled.6.5. Using the PSU16.5.1. Switching On and OffCaution: Connect the magnetometer before switching on the PSU1, as connecting a “live”cable to the magnetometer may cause damage. Similarly, switch off the PSU1 beforedisconnecting the magnetometer.With the Power switch (item 5 above) ON (position “1”), the power LED (item 4) will becontinuously lit (ON).Note: For best results, after switching on the power, leave the PSU1 for 20 minutes for theinternal temperature to stabilise, before performing any measurements.6.5.2. FilteringA permanent low-pass filter and selectable high-pass filter are provided for each channel: X, Yand Z. Refer to product brochure DS2520 for the cut-off frequency of the filters.The low-pass filters remove the high frequency noise components of the signal from the sensor.The high frequency signal is associated with the excitation signal (breakthrough) of the fluxgatesensor.Note: The high-pass filters are intended to filter out the DC or static field component sothat the alternating components above the cut-off frequency of the filter can be isolated.Note: The low pass filter inside the PSU1 will have a lesser effect on attenuating thebreakthrough of the low power sensors such as Mag648/649 with lower excitationbreakthrough (see datasheet for values). |
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