Simple operation for low-cost RF radiation meter

Edited by the Electronicstalk editorial team Jan 20, 2004

A new low-cost RF radiation meter is ideal for nontechnical personnel who need to carry out measurements of high-frequency emissions from mobile phone basestations or other radiocommunications sites.

A new low-cost RF radiation meter is ideal for any nontechnical personnel who need to carry out measurements of high-frequency emissions from mobile phone basestations or other radiocommunications sites.

Designed for ease of use, the Narda EMR-21C meter is capable of measuring RF radiation over a wide frequency range of 100kHz to 3GHz, displaying the results as instantaneous values, maximum values or time-averaged values.

Readings can be shown in a choice of four standard units or as a percentage of a user-defined limit value, thereby enabling the meter to be used to quickly check compliance with the exposure limits laid down in national and international standards.

An alarm facility gives both visible and audible warnings if a user-defined threshold is exceeded, and a built-in RS232 interface is provided for transferring data or controlling the unit remotely.

Equipped with an isotropic E-field probe, the meter offers excellent measurement sensitivity, with a 64dB dynamic range and a measurement range of 0.2 to 320V/m.

The EMR-21C is powered by two built-in rechargeable Ni-Cd AA batteries and is resistant to shock, dust and water.

With the probe attached, the meter has overall dimensions of 465 x 96 x 64mm and weighs 450g.

Every unit is shipped with a calibration certificate and a detailed test report.

A comprehensive range of accessories is available, including a hard carrying case, various tripods, battery chargers, a test generator and an antenna extension cable.