Narda EMR-300 E & H Field Radiation Meter

Narda EMR-300 E & H Field Radiation Meter
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Narda EMR-300
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The Narda EMR-300 has been replaced by the Narda NBM-550.
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The Narda EMR-300 Meter features a lightweight design with an integral shock resistant cover. Customers utilize this meter for high sensitivity and high dynamic range surveys. Electric, Magnetic and shaped probes are available to satisfy virtually every survey need. Every probe available has approximatelys 60 dB of dynamic range, without changing measurement ranges. Unique to this series are H-field probes available from 3 kHz to 1 GHz.


  • Available with Isotropic Probe that covers 3 kHz to 60 GHz
  • Easy-to-use design
  • Lightwieght and Rugged
  • Cost effective
  • Fully automatic zeroing
  • 24 month calibration interval



Display Specification Display Type: 4½ Digit LCD
Display Refresh Rate: 400 msec., typical
Resolution: 0.01 V/m, 0.0001 A/m
Settling Time (Typical): 1 sec. (0 to 90% of measured value)
Warning Circuits (Red LED's in the keypad) Visible: ON/OFF and variable threshold
Audible: Piezoelectric, tone varies with measured value
Measurement Functions Units: V/m, A/m, mW/cm2, W/m2,% of limit value
Results Displayed: Current result or maximum value since turn-on
Averaging: Current result or variable from 4 sec. to 15 min.
Calibration Data One calibration factor settable per probe
Self Tests Automatic self-test of A/D converter, battery, supply voltages, memory and zero adjustment
Period zero adjustment and battery check during operation
All tests can be performed during exposure to the field
Interfaces Fiber optic, serial interface for results transfer, remote control and calibration. V.24 (RS-232)
Additional Functions Storage of up to 1500 values, real-time clock and spatial averaging (over time or over measurement points)
Power Supply 2 each AA typ, re-chargeable batteries
Operating Time 8 hours (typical), re-charged via supplied charger
Operating Temperature Range 0 to +50°C
Size (H x W x D) 18.3" x 3.78" x 2.52" (465 x 96 x 64 mm)
Weight 450 grams (approx.)