Narda RadMan Personal Radiation Monitors Series

Personal Radiation Monitors for Electric and Magnetic Field Detection. 

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  • Overview
  • Features
  • Specifications
  • Applications
  • Support
RadMan is worn on the body and emits a loud warning signal when 50% of the maximum permitted flux density is exceeded. An earphone can be attached so the signal can be heard even in very noisy environments. Four LEDs indicate the electromagnetic radiation flux density in stages of 12.5 %, 25 %, 50 % and 100 %.
The RadMan XT version is equipped with a data logger.
RadMan and RadMan XT are available for the following human safety standards:
  • ICNIRP 1998, Occupational
  • ICNIRP 1998, General Public (E field only, with data logger)
  • BGV B11 2001, Exposure range 1
  • Canada Safety Code 6 99 EHD-237, RF Workers
  • U.S. FCC 96-326, Occupational / Controlled
  • Japan RCR-38, Controlled


  • Wide frequency monitoring from 1 MHz to 40 GHz
  • Loud warning buzzer with earphone for noisy environments
  • Shaped frequency response matched to national and international standards
  • Simultaneous E field and H field monitoring for near field use
  • Detachable absorber cap to provide isotropic response for monitoring signals apart from the body (e.g. for leak detection)
  • Calibration every 3 years recommended
  • Data logger for permanent recording (RadMan XT)
RadMan / RadMan XT 
Frequency Range See Model Selection Guide 
Type of Frequency Response Shaped (see Model Selection Guide for available standards) 
LED Indicators 12.5%, 25%, 50% and 100% of Standard
Alarm Threshold 50 % of Standard
CW Damage Level 20 dB above standard but not more than 10 kV/m or 26.5 A/m 
Peak Damage Level 40 dB above standard for pulse widths < 10μs but not more than 100 kV/m or 265 A/m
Sensors E field and H field
Diode based design
Directivity Isotropic (Tri-axial)
Sensitivity 6 % of standard
Input signal Integration Time 1 s (30 ms for the E-field of all fast response models) 
ELF Immunity @ 50/60 Hz 1 kV/m
Data Logger (RadMan XT only)  1638
  Number of Records 1 s, 2 s, 5 s, 10 s, 1 min, 3 min
  Logging Intervals (default: 1 min)
  Logging Time @ Rate of 1/min 27.3 hours
Flatness of Frequency Response
E-FIELD (electric field): 
±3 dB (up to 3 GHz) 
+4/-3 dB (3 GHz to 10 GHz) 
+6/-3 dB (10 GHz to 18 GHz) 
+6/-10 dB (18 GHz to 40 GHz)
H-FIELD (magnetic field): 
±3 dB (up to 1 GHz) 
Isotropic Response +4/-2 dB (27 MHz to 500 MHz)
Calibration Frequency 100 MHz 
Recommended Calibration Interval 36 months
Battery Type/Life (Approx.) 2 x AAA Alkaline, 200 hrs. (with LEDs and alarm OFF, interface cover closed) 
Temperature Range Operating: -10 °C to +55 °C 
Non-operating (Transport): -40 °C to +70 °C 
Humidity  5 to 95%, non-condensing
≤29 g/m³ absolute humidity (IEC 60721-3-2 class 7K2) 
Size (with cap as absorber) 37 x 41 x 163 mm 
Weight 130 g 
Accessories (included) Earphone, operating manual, belt bag, batteries 
Country of Origin Germany 


The RadMan and RadMan XT are personal radiation monitors from Narda Safety Test Solutions designed to provide warning wherever humans may be endangered by strong electromagnetic fields, especially where the following types of equipment are involved:
  • Telecommunication
  • Broadcasting
  • Industry
  • Military
  • Air Traffic Control
Applications include: 
  • Monitoring RF signals (occupational limits)
  • Monitoring pulsed radar signals
  • Workplace health and safety monitoring
  • Leak detection on waveguides and coaxial screw connectors