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Constant temperature bath series with advanced temperature control circuitry and integrated timing features for convenient, accurate glass capillary viscometry determinations. Microprocessor PID circuitry assures precise, reliable temperature control within ASTM-specified tolerances throughout the operating range of the bath. Simple push-button controls and dual digital displays permit easy setting and monitoring of bath temperature. Two-place calibration offset capability is provided. Baths accommodate seven glass capillary viscometers of various types. Viewing the viscometers is made easy by glare-free fluorescent illumination inside the bath and a baffle that provides a background for easy viewing. Temperature control uniformity is assured by means of motorized stirrer that provides complete circulation without turbulence. Connection of the built-in cooling coil to tap water or a recirculating water chiller facilitates temperature control at ambient or below ambient temperatures. Conforms to the specifications of: ASTM D445, D2170, D6074, D6158; IP 71, 319; ISO 3104; DIN 51500; FTM 791-305; NF T 60-100. Temperature Range: Ambient to 150 degrees C (302 degrees F); -20 degrees C to 150 degrees C (-4 degrees F to 302 degrees F) with an external chiller. Volume, Bath 82017-698: 22 L (5.8 gal.) Baths 37000-166, -170: 33.7 L (8.9 gal.) Dimensions, Bath 82017-698: 51L x 39W x 62H cm (201/4 x 151/4 x 241/2") Baths 37000-166, -170: 51L x 39W x 77H cm (201/4 x 151/4 x 301/2") Ordering Information: For information about communications software, ramp-to-set, and other enhanced features, contact your eGM sales representative. VWR offers validation services including IQ, OQ, and PQ protocol development and execution (in US only);