The Omega OM-500 Multi-trend Data Logger is a 12-channel compact portable hybrid recorder with expanded measuring and high-speed dot printing functions. Besides its variety of measuring inputs - DC voltage thermocouples and resistance temperature detectors - the inputs of DC voltage, AC voltage, resistance for DDM functions are available for display and printing. Measurement data can be distinctly printed - the printer uses an endless six-color ribbon. Switch-selectable analog, analog/digital and digital printing modes are provided, so the optimum printing mode can be selected to meet user requirements.