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Additional NRVD-specific features in bold
|
|
Measurement functions
|
average power,pulse power,peakenvelope power
AM,reflection,DC valtage
(depending on sensor)
|
|
Frequency and level range
|
DC to40 GHz,100 pW to 30W
9 KHz to 3 GHz,200μV to 1000V
(depending on sensor)
|
Probes and sensors
Display
|
all NRV sensorsand URV5 probes LCD for digits,units,menu-guided operation and analog display,adjust-ablebacklighting
|
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Display of results
|
single-channel(withoptional display of correction frequency) or dual-channel
|
|
Absolutereadout
|
W,dBm, V, dBμV,dBV
|
|
Relative readout NRV5,URV55
|
dB,%W or %V relative to astored reference value
|
|
Relative readout NRVD
|
dB,difference,percent and ratio,relafive to a stored reference value or to the second measurementchannel;VSWR,reflection coefficient,return loss in dB,AM modulation depth
|
Analog display
Digital display and resolution
|
automaticor with selectable scale max.4(1/2) digits,resolution selectable(0.1/0.01/0.001dB)
|
|
Display filtering
|
averaging over1 to 512 readings to reduce display noise;manual or automatic setting dependingon measurement range and resolution
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Displaynoise
|
see sensors from page 262/266
|
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Measurementrate
|
see table below
|
|
Accuracyof URV55 (without sensor)
|
18 to 28℃
10 to 40℃
0 to50℃
|
±0.02 dB ±1 digit
±0.04 dB ±1 digit
±0.06dB ±1 digit
|
|
Accuracy of powerreadout
|
|
in W ( NRVS /D without sensors)
|
0.4%(0.3%)+1 digit(18 to 28℃)
0.9% (0.8%)+1 digit(10 to 40℃)
1.4% (1.3%)+1digit(0 to 50℃)
|
|
Zero adjustment
|
manualor via IEC/IEEE bus,duration apprax.4 s
|
|
Frequency responsecorrection
|
sensor-specific calibrationdata taken into account;numericalentry of test frequency (keyboard or via IEC/IEEE bus)or by frequency-proportionalDC voltage
|
|
Attenuation compensation
|
externalattenuation or gain taken into account;data entry via keyboard or IEC/IEEE bus,range±200 dB
|
|
Entry of reference value
|
measuredvalue on keystroke or numerical entry via keypad or IEC/IEEE bus
|
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Reference impedance
|
for conversion between voltage andpower,automatic readout of reference impedance from sensor data memory or numericalentry via keyboard or IEC/IEEE bus(for RF probe)
|
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Remote control
|
IEC625(IEEE 488),SCPI,control of all instrument functions
|
|
Interface functions
|
SH1,AH1,T6,L4,SR1,PL1,DC1,DT1,PP0,PP1
|
|
DC frequency input
|
URV55, NRVS
NRVD
Connector
Input voltage range
|
standard
option NRVD-B2
BNC
±12V, linear with selectable scale
|
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DCoutput
|
URV 55, NRVS
NRVD
Connector
Left-/right-hand full-scale value
Accuracy
Channels
|
standard
option NRVD-B2
BNC,R out =1K Ω
EMF proportional analogdisplay
corresponding to 0/+3 V
±5 mV
1,2
|
|
Input/OutputOption NRVD-B2
|
2 simultaneous DC voltage outputs,DC frequencyinput,trigger input(TTL,active low),ready output(TTL,active high)
|
|
Sensor check source
|
URV55, NRVS
NRVD
Output power
Frequency
VSWR
RF connector
|
option NRVS -B1
standard
1 mW ±0.7%
50 MHz
1.05, ≤ 1.03
N female
|
|
General data
|
|
Powersupply
|
115 V + 15/-22%(-15%)
47 TO 63(440)Hz;
230V +15/-22%,
47 to 63 Hz,13VA
100/120/220V±10%,
230V-6/+15%;
47to 400 Hz(25 VA)
|
|
Dimensions(W×H×D);weight
|
219mm×103 mm×350 mm;3.2 kg
219 mm×147 mm×350 mm;4.5 kg
|
|
Measurementtime in seconds(from trigger to output of (first byte) depending on filter setting
|
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Resolution
|
Filter number
|
