2CANNON ® D155 Density Meter Instruction & Operation ManualVersion 1.1c – March 2017; CANNON® Instrument Company2139 High Tech Road • State College, PA • 16803 • USA1. Introduction1-1. Overview of the instrumentPlease read this manual thoroughly in advance for the best performance of the equipment.Thank you for your patronage of CANNON products. The D155 Density Meter you have purchased isan oscillation-type density/specific gravity meter which can measure density, specific gravity and APIdegrees. This meter is equipped with thermal control, which enables you to set a measurementtemperature. Also an optional peristaltic pump is available (factory installed) for sampling, thusmeasurement is made easier by just pressing a button.Key Features1) Density, specific gravity and API degrees can be easily measured.2) Measurement can be started simply by pressing a button.3) The built-in thermal control enables you to set a measurement temperature in the range between15°C to 25°C.4) Measurement results on the display can be selected from density, specific gravity or API degrees.5) The meter can be calibrated on one-point with pure water.6) An optional printer can be connected, or data can be exported as an MS-Excel file and saved to anexternal USB storage device for analysis on a personal computer.