All RadMan monitors share the same compact housing, dual electric (E) and magnetic (H) field detection, and wideband shaped frequency response. The “shaped” frequency response means that the monitor has frequency-selective sensitivity that matches your standard – all major standards are supported. The alarm criteria and the output information are incorporated in the “Percent of Standard.”
Narda Safety Test Solutions’ latest RF personal monitor is the Series ESM-30 RadMan XT. This “Extended Technology” monitor is very similar to the ESM-20 Series monitors that have been available since 1997 with one very important difference: the RadMan XT continuously records the field strength that it measures. Since the monitor has both electric and magnetic (E and H) field sensors, it records six different values for every data point: Maximum, Minimum, and Average values during the averaging period for both the E field and the H field. The time and date of each data point is also stored. This data may be retrieved at any time using the optional ESM-TS Interface Set which includes a fiber optic
cable, adapter circuit, and software. The software permits the user to download the data
that the monitor has collected, analyze the data, and set the monitor’s internal clock. The
data logger is always on – it simply stores the newest data in place of the oldest data.
All RadMan monitors are multi-function tools. With the RF absorber cap off, the RadMan
functions as a simple instrument with isotropic detection and four level indicator LEDs
that provide an approximate indication of field strength. The RadMan can also be used
as a simple area monitor. The fiber optic interface and available software can be used to
continuously monitor the detected field strength levels from both the electric field and
magnetic field sensors.