Portable, Precision Chilled Mirror Hygrometer The PDM75-X3SF is a chilled mirror hygrometer featuring drift-free accuracy, NIST traceability, very low maintenance and high durability, all in an easy to use portable configuration, resulting in a system ideally suited for the demands of field use. The Model PDM75-X3SF has all the standard features of the well known Edgetech Instruments DewMaster Hygrometer in a portable package, with a modular chilled mirror sensor that is chemically resistant to background gases, configured to meet your dew/frost point measurement requirements. Whether you use it as a field transfer standard, to spot check your process air dryness or to measure endo gas dew/frost point, you will find the PDM75-X3SF delivers the Edgetech Instruments Advantage: an ideal system tailored to your application needs. Choose the customized sampling system designed to match your measurement requirements. Configure it for positive pressure sample gas or to extract a gas sample using an integrated vacuum pump. Select the best user interface options to meet your needs. The PDM75-X3SF will be ready to use, right out of the box. All Edgetech Instruments dew/frost point hygrometers are manufactured and supported in the USA in a modern, ISO 9001:2015 registered facility with ISO/IEC 17025:2017 accredited calibration laboratory. The PDM75-X3SF is delivered with a NIST traceability certificate. Features: • • • • • • • • • Chemically resistant, primary method dew/frost point sensor Drift free and certified against NIST traceable standards Best in class air cooled temperature depression Wide measurement ranges from –65°C to +70°C dew/frost point temperature Remotely or locally mounted sensor options Automatic Balance Control mode provides automatic correction for optics contaminants Rugged, high impact portable case Multiple interface options Choice of sampling systems Compressed air Furnace/heat treating Metrology Plastic molding Pharmaceutical Laboratories Clean rooms Power and energy systems Air brake dryer monitoring Click here for the PDM75-X3SF application note. ISO/IEC 17025:2

Technical Specifications Sensor Type: Primary method, chemically resistant, chilled mirror dew/frost point sensor Sensor Construction: Wetted materials: X3SF High Efficiency: 316 stainless steel, Teflon, Viton seals Mirror: chrome is standard, platinum is optional Easy access flip top mirror access Measuring Range: Dew/Frost Point Temperature: X3SF High Efficiency: 90°C depression, +70°C to –65°C No liquid cooling required. Custom ranges available, please consult factory. Accuracy: Dew/frost point: ±0.36°F (±0.20°C) General: Display: 8 Line LCD. Graphic data display, backlit, 3 parameters display...