401B - Personal Spectrum Analyser
401B Personal Spectrum Analyser Description
The 401B is an ultra-portable RF Spectrum Analyser designed for use on the bench or in the field. Small enough to fit in the palm of your hand and with low power consumption, this versatile device can be taken to awkward locations where measurement with a bulky mains powered unit is impossible e.g. at the top of an antenna mast.
A range of popular EMC limits are programmed into the 401B - CISPR 11 Class A/B, CISPR 12 Class A/B and FCC Part 15 Class A/B - and an alarm can be set to trigger if the limit is exceeded. Measurements can be stored in memory and downloaded via the built-in RS232 interface using the supplied PC Enhancement software. Instrument set-ups can also be stored and recalled for later use. Results can then be archived as Windows Bitmap or Excel compatible files.
Three frequency markers are available with automatic seek to locate the highest emissions in a scan. Using the markers, frequencies of interest can be centered on the display and zoomed for closer scrutiny.
The device is simple to use with a large display and context sensitive help available at the touch of a button.
Features
  • Battery Powered and Fully Portable
  • Large, easy to read Display with optional Backlight
  • Easy to use with Context Sensitive Help
  • User Memory for Set-Ups and Results
  • Results can be stored in Windows Bitmap or Excel compatible formats
  • Built-in Limit Lines: CISPR 11 A/B, CISPR 22 A/B, FCC Part 15 A/B
  • Built-in RS232 Serial Interface
  • Frequency Markers with Auto-Seek
  • SMA Input Connector
  • Wide range of accessories
  • Includes P101A Active E-Field probe, Battery Charger, Serial Cable, PC Enhancement software, Soft Carrying Case
Specifications
P101A Active E-Field Probe
Frequency Range 1MHz to 1.024GHz Sensitivity at 30MHz 57dBµV/m (Typical)
401B Personal Spectrum Analyser
Frequency Range 1MHz to 1.024GHz Measurement Range -25dBm to -95dBm
Resolution Bandwidth (3dB) 120kHz, 1MHz Reference Level Accuracy ±1dB at -30dBm
Video Bandwidth 30kHz, 300kHz Amplitude Level Accuracy ±2.5dB, -25 to -70dBm
Sweep Time 300ms (Typical) Intermods (3rds, -35dBm signals) -75dBc (Typical)
Frequency Markers 3 Harmonic Distortion (-35dBm) -75dBc (Typical)
Marker Frequency Resolution 1% of span ±50ppm Maximum Safe Input Level +23dBm, 50VDC
Marker Amplitude Resolution 0.1dB Displayed Average Noise Level at 100kHz Resolution Bandwidth -95dBm, span<10MHz (Typical)
-90dBm, span>10MHz (Typical)
Marker Readout Accuracy 1% of span ±50ppm Power (Mains) 6VA
Span Accuracy ±50ppm Operating Temperature Range 0°C to 40°C
Dimensions 102 x 193 x 33mm Weight 0.55kg

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