产品描述:
EHP200低频电磁辐射选频分析仪
技术参数
Electric & Magnetic Fields Analyzer PMM EHP200
Electric Field Magnetic Field Magnetic Field AUX Input
Mode A Mode B
Frequency range:9 kHz÷30MHz 9kHz÷3MHz 300kHz÷30MHz 9kHz÷30 MHz
SPAN 0 to FULL SPAN
IF Filters 1 kHz – 3 kHz – 10 kHz – 30 kHz – 100 kHz – 300 kHz
Calibration internal E2PROM
Temperature error 0,02 dB/°C
Dimensions 96 x 96 x 115 mm
Weight 550 g
Preamplifier selectable ON/OFF, 14 dB
Units V/m, A/m, μT, mW/cm2, W/m2
Internal battery 3,7 V – 3,6 Ah Li-Ion, rechargeable
Operation > 8 hours
Recharging time < 8 hours
External supply 10 ÷ 15 VDC, I = approx. 500 mA
Optical fiber connection up to 80 m
Firmware updating through the optical link
Self test automatic at power on
Operating temperature -10 to +50°C
Storage temperature -20 to +70°C
Supplied accessories • FO-8053/10, optical fiber cable (10 m)
• 8053-OC Optical Serial Converter
• 8053-BC, battery charger
• Power supply adapter
• Stand, in plastic material
• PC program
Optional accessories • SB-10, Switching Control Box
• FO-8053/10, optical fiber cable (10 m)
• FO-8053/20, optical fiber cable (20 m)
• FO-8053/40, optical fiber cable (40 m)
• FO-8053/80, optical fiber cable (80 m)
• 8053-BC, spare battery charger
• TR-02A, tripod
• TT-01, telescopic stand with bag
主要特点
仪器介绍-
PMM’s new E-H fields analyzer model EHP200 has been designed for accurate, stand-alone and PC-based measurements of both electric (0,02 to 1000 V/m) and magnetic (6 mA/m to 300 A/m) fields, in the 9 kHz - 30 MHz frequency range.
The robust housing sized only 96 x 96 x 115 mm holds both field sensors and
electronic measuring circuitry.
Separate 3 axis and total values (peak and average) are measured with exceptional
flatness and linearity of ±0,3 dB.
Results are expressed in V/m, A/m, μT, mW/cm2, W/m2.
The EHP200 features built-in spectrum analysis with maximum IF resolution of kHz for detailed measurements of E
and H field intensity vs. frequency with dynamic range of 80 dB.
Power supply by internal rechargeable Li-Ion battery of up to 8 hours of continuous
operation, or from external 10 ÷ 15 VDC source. AC adapter provided.
The EHP200 is controlled by the PMM’s PC program, and measurements are sent
in real time through the optical fiber link. An auxiliary input allows for measuring
the frequency spectrum of external signals from any other RF device.
Thanks to its very small size and optical fiber link, the EHP200 does not influence
the electromagnetic fields to measure, thus ensuring more accurate and sensitive
measurements.
The EHP200 is particularly suitable for nearby measurements of LW-AM-SW
transmitters, metal detectors, and any other measurements of RF signal in the
9 kHz - 30 MHz range, with great advantages wherever the conventional antennas
are inadequate due to their physical dimensions and cable influence.
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