¸FSH3 ¸FSH6
Accessories
Power Sensors ¸FSH-Z1 and ¸FSH-Z18
Frequency range
  ¸FSH-Z1
10 MHz to 8 GHz
  ¸FSH-Z18
10 MHz to 18 GHz
VSWR 
  10 MHz to 30 MHz
 
  30 MHz to 2.4 GHz
 
  2.4 GHz to 8 GHz
 
  8 GHz to 18 GHz
 
<1.15 
<1.13 
<1.20 
<1.25
Maximum input power average power
peak power  
(<10 µs, 1 % duty cycle)
400 mW (+26 dBm)
1 W (+30 dBm)
Measurement range 200 pW to 200 mW (–67 dBm to +23 dBm)
Signal weighting average power
  Effect of harmonics
 
  Effect of modulation
<0.5 % (0.02 dB) at harmonic ratio of 20 dBc 
<1.5 % (0.07 dB) for continuous digital modulation
Absolute measurement uncertainty sine signals, no zero offset
  10 MHz to 8 GHz
 
  8 GHz to 18 GHz
+15 °C to +35 °C 
0 °C to +50 °C
+15 °C to +35 °C 
0 °C to +50 °C
<2.5 % (0.11 dB) 
<4.5 % (0.19 dB)
<3.5 % (0.15 dB) 
<5.2 % (0.22 dB)
Zero offset after zeroing <150 pW
Dimensions (W × H × D) 48 mm × 31 mm × 170 mm, connecting cable 1.5 m
Weight <0.3 kg
Directional Power Sensor ¸FSH-Z14
Frequency range  25 MHz to 1 GHz
Power measurement range 30 mW to 300 W 
VSWR referenced to 50 W
<1.06
Power-handling capacity depending on temperature 
and matching  
(see diagram on page 15)
100 W to 1000 W
Insertion loss <0.06 dB
Directivity >30 dB
Average power
  Power measurement range 
  CW, FM, PM, FSK, GMSK 
  Modulated signals
CF: ratio of peak envelope 
power to average power
30 mW to 300 W
30 mW to 300 W/CF
  Measurement uncertainty 
    25 MHz to 40 MHz
    40 MHz to 1 GHz
sine signal, 
+18 °C to +28 °C, no zero 
offset
4.0 % (0.17 dB) of measured value
3.2 % (0.14 dB) of measured value
  Zero offset  
after zeroing ±4 mW
Range of typical measurement error with 
modulation 
  FM, PM, FSK, GMSK
  AM (80 %)
  2 equal-power CW carriers
  EDGE, TETRA
if standard is selected on 
the ¸FSH
0 % of measured value (0 dB)
±3 % of measured value (±0.13 dB)
±2 % of measured value (±0.09 dB)
±0.5 % of measured value (±0.02 dB)
Handheld Spectrum Analyzer ¸FSH14