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Specifications
AC to DC ratio:
1:1
Ratio accuracy: (at 25 MHz and loaded with 10 M
e
)
Above 0.5V: ± 0.5 dB
Below 0.5V: ± 1.0 dB
Add ±0.2 dB in RF fields of 1 V/m to 3 V/m
Frequency response: (Relative to 25 MHz)
100 kHz to 80 MHz ±0.5 dB
*80 MHz to 200 MHz ±2.0 dB
*200 MHz to 300 MHz ±3.5 dB
*300 MHz to 400 MHz ±4.5 dB
*400 MHz to 500 MHz ±5.5 dB
*Referred to high and low inputs at Probe tip.
Extended frequency response:
Useful for relative measurements from
20 kHz to 700 MHz.
Response:
Responds to the peak value of an input and is calibrated
to read rms value of a sine wave.
Voltage range:
0.25 V rms to 30V rms
Maximum input voltage:
30 V rms, 200 V dc
Input capacitance:
Approximately 9 pF
Temperature range:
Operating: +10 °C to +35 °C
Storage: -40 °C to +75 °C
Humidity:
<90 % R.H.
Output connector:
Fits standard 0.75 inch dual banana connectors
Accessory:
BNC to Probe Adapter, P/N 574756
Pollution degree:
2
Operating altitude:
3000 m
Warranty:
1 year
Voltmeter Compatibility
The 85RF II can be used with a dc voltmeter that has an
input resistance of 10 M
e
, ±10 %. Voltmeters with higher
input resistances are usable if an external shunt is put
across the input terminals. The shunt value is set to
decrease the input resistance to 10 M
e
.