Millivoltmeter
Model No.: HFJ-8AD
DIGITAL RF MILLIVOLTMETER
Features: Double diode rectifier, Low-noise deep negative feedback circuit/Voltage measuring range 1mv~10v/Frequency range 100HZ~1000HZ using only one proe/AUTO RANGE function/LCD display with 3999 readout
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Specifications
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Input voltage range
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Voltage: 1mV to 10V(resolution:1mv) Max. display 3999 Extended to 300v using 40db voltage divide (option) Full scale in 4 range are:40mv,400mv,4v,10v
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Frequency range
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100HZ~1000MHZ(10HZ~1000MHZ when using low frequency probe)
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Voltage error
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> 40mv ±1%±10digits
> 10mv ±1.5%±20digits
> 10mv ±2%±20digits
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Voltage measuring range
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-20~+40dBm (0dBm-0.224v. 50 Ω load
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Frequency response error
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100kHz~50MHZ: ±3% //1KHZ~600MHZ: ±8%// 100HZ~1000MHZ: ±10%//10HZ~1000MHZ: ±15%
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Operation error
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> 40mv ±2%±10digits
>1 0mv ±3%±20digits
> 10mv ±5%±40digits
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Input impedance
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≤15KΩ (at range 40mv) Capacitance: <2.5pF
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Power supply
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220V/110V ±10%: 50Hz/60Hz
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Dimension
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210(w)x140(h)x245(d)mm
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Weight
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4Kg
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