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2MHz – 40GHz 2 – 1000 V/m...
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The Amplifier Research FL7040 is a smart, fast, extremely accurate electric field probe that contains an internal microprocessor to provide linearization, temperature compensation, control, and communication functions. Noise reduction and temperature compensation allow accurate measurements down to 2 V/m without zero adjustment. When rotated about its ortho angle mount, the probe provides isotropic response of ±1.5 dB to 40 GHz.
The FL7040 is laser powered to allow for continuous operation without recharging or battery replacement. This probe requires an FI7000 for power and communication. FM7004A is recommended for local monitoring and control.
Correction factors are provided with the probe. These factors can be loaded into the Model FM7004A Field Monitor (sold separately) to automatically correct the probe readings at userspecified frequencies. When correction factors are applied, the true accuracy of the probe can be realized.
The Amplifier Research FL7040 communicates through glass fiber optic cables, up to 100 meters long, to the FI7000 interface. X, Y, Z, and isotropic readings can be returned through an FI7000 in 20 msec.
Typical Uncalibrated Frequency Response![]() Frequency (MHz) | Typical Calibrated Frequency Response (with correction factors applied) ![]() Frequency (MHz) |
Amplitude Accuracy (field aligned with sensor axes) | Without correction factors applied: ±1.0 dB @ 10 MHz With correction factors applied: Typical expanded measurement uncertainty (95% confidence interval), 0.8 dB, 2 MHz–1 GHz; 1.4 dB, 1 GHz40 GHz |
Response Time/Sampling Rate (through FI7000) | 20 msec/up to 50 samples per second at FI7000, USB and GPIB only |
Isotropic Deviation (measured at the ortho angle) | ±0.5 dB @ 10 MHz; ±1.5 dB, 2 MHz–40 GHz (typical) |
Operating Range | 2–1000 V/m |
Linearity, 2 to 1000 V/m | ±0.5 dB |
Temperature Stability | +0.5 dB over operating temperature range |
Damage Level | 1200 V/m CW |
Ranges | Single continuous range |
Data returned from probe | X, Y, Z axes, and composite |
Power Requirements | Laser powered from FI7000 interface |
Dimensions | Approx. 278 x 65 x 65 mm (10.95 x 2.6 x 2.6 in) |
Weight | Approx. 150 g (5.3 oz) |
Operating Temperature Range | 10°C to 40°C (50°F to 104°F) @ 5% to 95% RH noncondensing |
Fiber Optic Connectors | Two E2000 compact duplex connectors at 1 meter, includes fiber optic verification loop. |
Calibration Data | Accredited Calibration Report (A2LA) supplied with probe |