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FEATURES * Separate sound probe, easy operation. * Large LCD display, easy to read. Frequency weighting meet * IEC 61672 class 2. * Auto range & manual range. * A & C frequency weighting. * Fast & Slow time weighting * AC output for system expansion. * RS232 computer interface. * External calibration VR. * Hold & Memory record. * High accuracy condenser microphone * Peak Hold. * Over and under load indicator. * LCD display. * Durable, strong light weight ABS-plastic housing case.
DESCRIPTION The model DT-2239A is a microprocessor circuit design, high accuracy, digital readout, light duty STROBOSCOPE/TACHOMETER that is ideal for inspecting and measuring the speed of moving gears, fans, centrifuges, pumps, motors and other equipment used in general industrial maintenance, production, quality control, laboratories and as well as for schools and colleges for demonstrating strobe action.
FEATURES * Push keyboard setting. * External trigger input. * RS232 computer interface output. * Flash rate : 5 to 10,500 RPM/FPM. 0.083 to 175 Hz * Display 14 mm LED, 6 digits. * High resolution. * Main function : Fine adjust, Coarse adjust, Multiply by 2, Divide by 2, Fast finder, Memory recall. * Memorize 10 sets of measuring data. * Crystal time base and microprocessor circuit, not necessary take any calibration procedures. * Power supply : AC 110V/220V/230V, 50/60 Hz. * Application for inspecting and measuring the speed of moving gears, fans, centrifuges, pumps, motors, general industrial maintenance, production, quality control, laboratories, schools and colleges...