Introduction The SARK-110 Antenna Analyser is a pocket size instrument providing fast and accurate measurement of the vector impedance, VSWR, vector reflection coefficient, return loss, and R-L-C (as series or parallel equivalent circuits). Typical applications include checking and tuning antennas, impedance matching, component test, cable fault location, measuring coaxial cable losses, and cutting coaxial cables to precise electrical lengths. The SARK-110 features a Direct Digital Synthesis (DDS) generator with a range of 0.1 to 230 MHz and a frequency resolution of 1 Hz. The instrument has full vector measurement capability and accurately resolves the resistive, capacitive and inductive components of a load. The measurement reference plane is automatic adjusted via the Open/Short/Load calibration standard to enable the accurate impedance measurements at the end of an intermediate coaxial cable. The user interface based on a color display has been designed to be intuitive and easy to use. The graphical impedance displays provide a quick view of the antenna impedance characteristics on a user selected sweep range. This includes the graphical plot of two user selectable parameters in a rectangular chart or the complex reflection coefficient in Smith chart form. Two markers, either user positionable or in an automatic tracking mode, help to speed-up the measurements. Besides it is included a single frequency measurement mode which presents the complete impedance parameters at a user selectable frequency and a graphical representation of the equivalent circuit. In addition, the analyzer features a FDR (Frequency Domain Reflectometer) mode which is intended for the location of faults in coaxial cables. The analyzer features an internal 2MB flash disk for the storage and recall of the measured parameters, screenshots, analyzer configuration, and firmware updates. This disk is accessible via USB so the measured parameters can be also retrieved from the PC and analyzed from the ZPLOTS spreadsheet program. The free SARK-110 simulation application for PC allows evaluating the device operation without the need of the actual hardware. Please download the latest version in Files. Let us know your suggestions in Join the Discussion as we are highly motivated to extend this device based on community requests. | Features
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