HF - aka High Frequency

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  • PJ High Frequency Surge Testers PJ Electronics offers a wide selection of models from which to choose! Basically, you may custom order a tester to meet your specific needs. PJ Electronics manufactures 12 lines of Bench, Portable & Console Model Digital High Frequency Surge / DC Hi-Pot Testers. 220-240 operating line voltage is available upon request and for an additional cost.
    PJ Electronics
  • Low Frequency High Field EMDEX Lite The Low Frequency, High Field EMDEX Lite is a custom version of the EMDEX Lite that extends the measured frequency band down to 10Hz while extending the range to 70G. The Low Frequency, High Field EMDEX Lite is best used for stationary metering.
    Enertech Consultants
  • HF35C - HF Analyser This device supports all above mentioned common advantages. It allows a straight forward assessment of the exposure, a determination of suitable remedial actions, as well as a control of their effectiveness. Display of peak value as well as average value (switchable)
    Gigahertz Solutions
  • Model 2100HF - High Frequency High-Voltage Power Amplifier The Model 2100HF incorporates an all-solid-state design for high reliability and low-noise operation, thus achieving accurate output response and high slew rates, even into highly capacitive loads. Full power frequency response of the amplifier is essentially flat up to 2 MHz. No overshoot or instability of the waveform occurs due to the amplifier's unique dual feedback feature.
  • A 1020-75-300 - Broadband high-frequency amplifier Broadband RF amplifiers for EMC testing and general laboratory applications Quiet operation through high performance heat sink with temperature-controlled fan Microprocessor control of all relevant data amplifier Monitor output
    Dr. Hubert GmbH
  • WERA - Oceanographic HF Radar WERA is an Oceanographic HF Radar providing simultaneous measurement of: Surface currents maps, Ocean waves parameters and maps, Wind direction (wind speed under development). Broad frequency range from 5 to 50 MHz to provide ranges from 10 to 200 km
    Helzel Messtechnik
  • TG 600 - High Performance Audio Frequency Transmitter The high performance Audio Frequency Transmitter TG 600 is especially designed for accurate location of cable faults and joints according to the twist method. The display of input and output current enables optimized impedance matching. A 600 VA and a 60 VA output power range are selectable. The 60 VA range is mainly used for route tracing and depth evaluation of cables.
    HV Technologies
  • HFW35C - HF Analyser A special device suitable for the measurement of radiation caused by wireless applications / computer networks, including the new standards (Bluetooth, WLAN, WiFi), also covering the WiMAX-frequencies auctioned off in 2006. It comes with an especially aligned log.-per. antenna with excellent directivity (Patent pending: AZ 10 2006 051 180.8 ) .
    Gigahertz Solutions
  • 7173-50 - High-Frequency, 2-Pole, 4x12 Matrix Card The Model 7173-50 combines high frequency performance with excellent DC switching characteristics. It provides 200MHz bandwidth in a 4x12 configuration. Offset voltage is <15μV per crosspoint, and offset current is <200pA.
    Keithley Instruments
  • DDS/PLL-based High-Frequency Programmable Clock Source Module DSG synthesizer is a programmable clock source which can generate any desired signal with 1Hz resolution, utilizing multiplex loop PLL and DDS technique. Two models, DSG-2235 and DSG-1425 are available according to the frequency band. It provides high purity clock output. The frequency can be controlled by serial data, which can be connected to a PC communication port. As an option, 1/2 and 1/4 frequency dividers are available. The internal refrence TCXO has ±1ppm accuracy but high frequency accuracy also can be obtained in external clock mode with accurate external 10MHz clock.
    Digital Signal Technology
  • CA0044-9-9 - HF Preselector The CA0044-9-9 HF Preselector is a computer controlled filter unit intended for use in the RF path ahead of an HF receiver. The CA0044-9-9 covers the frequency range 2MHz - 30MHz. A single CA0044-9-9 chassis can provide up to 9 parallel channels for use with multi-receiver systems including super resolution / n-channel direction finding systems.
    CommsAudit Limited
  • SeaSonde® - HF Radar Ocean Wave / Current Monitor For automated, real-time surface current mapping and wave monitoring. The SeaSonde HF radar system by CODAR Ocean Sensors is your solution for making continuous, wide-area ocean observations. The SeaSonde will provide you with years of real-time data over large coverage areas, with ranges up to 200 km.
    CODAR Ocean Sensors
  • HF - Ultrasonic testing High frequencies in a range of 20 to 200 MHz generate in dependence of the velocity a wavelength between 25 an 500 μm in the material Therefore very small defects can be detected.
    The possible extremely short pulses provide a high axial resolution. The figure on the right hand side clearly demonstrates the separation of echoes coming from a steel plate with a thickness of 0,1 mm (!).
    Ingenieurbüro Dr
  • SVLF-80KV - 80KV Very Low Frequency High Voltage Tester Product Description SVLF (Very Low Frequency) Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus. The product combines modern advanced digital variable frequency technology and micro computer control together, therefore, it can realize the full automatic voltage boost, stepdown, measurement and protection as well as the manual intervention in the process of automatic voltage boost. The full electronic design ensures the small size and light weight. The big LCD screen ensures the clear and visual display, and can display the output sinusoidal wave form. The printer outputs test reports. In addition, the product has features as follows: 1. Data of current, voltage, wave form can be directly sampled at high voltage side, so the data is real and accurate. 2. Overvoltage protection: If the output exceeds the set limit of voltage, the instrument will shut-down to protect itself, the actuation time is less than 20ms. 3. Overcurrent protection: It is high-low voltage dual protection in the design, the accurate shut-down protection can be made according to the set value at high voltage side; If the current on low voltage side exceeds the rated current, the instrument will take shut-down protection, the actuation time are both less than 20ms. 4. A high voltage output protective resistor is provided in the voltage boost body in the design and this eliminates the need of additional protective resistor connected outside. Technical parameters: 1. Output voltage ratings: 30KV, 40KV, 50KV, 60KV, 70KV, 80kV (peak) 2. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz 3. Measurement accuracy: 3% 4. Positive and negative voltage peak errors: ≤ 3% 5. Voltage wave form distortion: ≤ 5% 6. Use condition: Indoor and outdoor; Temperature: -10C--+40C; Humidity: ≤ 85%RH 7. Power: AC50Hz, 220V +-5% 8. Power supply fuse tube: 10A
    Yueqing Sandi Electric
  • SVLF - Very Low Frequency High Voltage Generator SVLF (Very Low Frequency) Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus. Output voltage ratings: 30KV, 40KV, 50KV, 60KV, 70KV, 80kV (peak)
    Yueqing Sandi Electric
  • CA3045-4-8 - HF VHF 4 By 8 Multicoupler HF/VHF 4 by 8 Multicoupler. Accepts 4 inputs, each input is split 2 ways. Very high dynamic range & low noise figure. 1U rack mounting chassis. Available with BITE. Options for custom input filtering.
    CommsAudit Limited
  • GMX902 GG - High precision Dual Frequency GPS + GLONASS Receiver The Leica GMX902 GG is a high-performance GPS + GLONASS receiver, specially developed to monitor sensitive structures such as bridges, mines or high rise buildings and crucial topographies such as land slides or volcanoes. It provides precise dual frequency code and phase data up to 20 Hz, enabling precise data capture as the basis for highly accurate position calculation and motion analysis.
    Leica Geosystems
  • HFE59B - HF Analyser Set offer consisting of the HF59B and a wide range of accessories: Horizontal isotropic ultra broad bandwidth antenna UBB27_G3 from 27 MHz up to far beyond 3.3 GHz (limited by the frequency response of the HF59B). 800 MHz high pass filter HP800_G3 for the suppression of low frequencies when measuring with the log.-per. antenna of the HF59B. High frequency preamplifier HV10_27G3. Increases the measurement range by10 dB (by a factor of 10)? important when wanting
    Gigahertz Solutions
  • 3235 - High Frequency Response Analyzer (.01 Hz to 35 MHz Venable continues to expand the 3200 series with the 35 MHz Frequency Response Analyzer. Venable's Model 3235 continues our new concept in test instrumentation. The Model 3235 combines the latest analog and digital technology with advanced digital signal processing to provide versatile test and analysis functions. This instrument operates with the same Venable Software interface as all Venable FRA products.
    Venable Instruments
  • PH250HF - Manual and Robust HF ProbeHead™ The PH250HF is specially designed to meet the strict demands of RF and microwave probing. Its rigid design is, however, also useful for special requirements in analytical and production probing such as holding large area detectors for optoelectronics applications. All positioning knobs and controls are located at the back of the ProbeHead.
    Cascade Microtech
  • CA3034-1-8 - HF 1 By 8 Multicoupler HF 1 by 8 Multicoupler. Very high dynamic range & low noise figure. 1U rack mounting chassis. Available with BITE. Options for custom input filtering, phase matched outputs.
    CommsAudit Limited
  • Dash® 32HF-HS - Multi-Channel High Frequency Recorder The Dash 32HF-HS is a portable data acquisition recorder engineered specifically for capturing multiple channels of high frequency data and transient signals. It provides 32 analog inputs (+/-50VDC (35VRMS)) with sample rates up to 500 KHz and a bandwidth of 100 KHz per channel!
  • 997 - high frequency, ring type accelerometer Corrosion resistant Hermetically sealed Ground isolated ESD protection Reverse wiring protection EMI/RFI protection
    Meggitt Sensing Systems
  • 6500P Series - High Frequency LCR Meters Accuracy and versatility makes the HF LCR Meters the ideal choice for many different tasks and applications in manufacturing and test. The wide range of frequency specifications means that a model can be selected that best meets application requirements and within budget.
    Wayne Kerr Electronics

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HF - High Frequency operating at 3–30 MHz.


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