MFJ-835 Balanced Line RF Ammeter

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MFJ-835 Balanced Line RF Ammeter

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£143.95
(£119.96 exc. VAT)
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Product code: MFJ-835
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£143.95
12 Months 14.9% APR
£14.40
£12.41
£163.26
£143.95
18 Months 14.9% APR
£14.40
£8.27
£163.26
£143.95
24 Months 14.9% APR
£14.40
£6.20
£163.26
£143.95
36 Months 14.9% APR
£14.40
£4.14
£163.26
£143.95
48 Months 14.9% APR
£14.40
£3.10
£163.26
£143.95
12 Months 19.5% APR
£14.40
£12.90
£169.22
£143.95
18 Months 19.5% APR
£14.40
£8.60
£169.22
£143.95
24 Months 19.5% APR
£14.40
£6.45
£169.22
£143.95
36 Months 19.5% APR
£14.40
£4.30
£169.22
£143.95
48 Months 19.5% APR
£14.40
£3.23
£169.22

MFJ-835 Balanced Line RF Ammeter. How do you detect imbalance in open-wire or ladder line? By measuring and comparing each feed line wire current -- your feed line is balanced if the currents are equal.


The MFJ-835 Balanced Line RF Ammeter TM is two identical calibrated RF ammeters using an MFJ Cross-Needle meter.

Feed line currents are simultaneously displayed on separate calibrated scales in three ranges (.3, 1, 3 Amperes).

Balance is clearly revealed on MFJ's exclusive Balanced Bar TM -- when currents are balanced, the dual needles cross in the center -- no matter the actual current.

If the needles cross within the vertical Balanced Bar TM the balance is within 10%. If not, you know which line is unbalanced and by how much. Equal currents in the feeder wires minimize feed line radiation and reduces pattern distortion, RFI, TVI and wasted power. You could lose up to 10% of your power.

Imbalance is due to feed line not being perpendicular to antenna, if one side runs close to metal or is shorter or closer to ground.

The MFJ-835 helps you solve all your unbalanced problems.

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