Active, handheld shielded Loop Antenna with nearly constant antenna factor over the entire frequency range (9 kHz – 30 MHz). The active loop antenna is es-pecially suitable for mobile applications, e.g. with a handheld spectrum analyzer. Combined with a CISPR 16 EMI-receiver a convenient fieldstrength measuring sys-tem with low noise and pulse measuring capabilities is composed. The robust, milled aluminum housing comes with two 3/8″ large camera threads to accept a handle or to be mounted on a tripod (e.g. AM 9144). The FMZB 1513 is equipped with 10 NiMH-Mignon cells to keep the weight as low as possible for mobile use. The battery voltage is indicated with a green LED for normal operation, with both red and green for reserve and with red only for urgent recharge requirement. Although it is possible to measure during recharging, we do not recommend to do so because of most NiMH chargers oper-ate in pulsed mode and create unwanted disturbance.
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