Promax PROPOWER - 5, Руководство пользователя

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USER’S MANUAL. PROPOWER-5
Page 2
07/2006
The instrument is powered by means of an internal rechargeable battery.
All these functions have been brought together in one instrument weighing only
half a kilo. The ergonomic, sturdy design makes the PROPOWER-5 a working tool
without parallel.
1.2 Specifications
TUNING
Tuning range
From 1 to 50 MHz.
Tuning mode By channels or by frequency.
Channel plan 10 channel plans, each one with a maximum of 140
channels. Factory start-up channel plans: custom
under request
(1)
.
Resolution 10 kHz.
Indication Graphic LCD with back lighting.
Channel frequency offset
±
2 MHz (10 kHz resolution).
LEVEL MEASUREMENT
Measurement
Digital channels Power measurement in the channel bandwidth by
integration method.
Measuring range From -80 to 20 dBm.
Maximum input level
From 1 to 50 MHz 25 dBm
(2)
.
Reduction of the measurement range depending on the number of channels.
Up to 10 channels 10 dBm.
Readout Digital in dBm, dBm/Hz and analogue through a
graphic bar. 1 dB resolution
IF bandwidth 200 kHz
±
50 kHz
Input impedance 50
Ω
Audible indicator Tone which varies with the signal level.
Accuracy
Digital
channels
±
3 dB (from 0 to 40
°
C) for 2.5 MHz bandwidth
channels.
DIGITAL SIGNALS MEASUREMENT
Bandwidth
Switchable.
Frequency tuner 10 kHz.
CARRIER / NOISE RATIO MEASUREMENT
Measurement
Digital channels Ratio between the channel power and the noise
level. The frequency where noise is measured is
user definable in absolute or relative value. In the
relative mode, the unit takes as default frequency
offset the value BW/2.
Measurement range
Digital channels > 30 dB for input level > -40 dB
µ
V.
Accuracy
±
2 dB