Lake Shore Model 234/234D User’s ManualOptions & Accessories 6-36.5 SENSORSSensor No. Description Of SensorSeries CGRSeries CXSeries GRCarbon-Glass Resistance Temperature Sensors is ahighly reproducible sensor that can be used from 1.0 K to100 K and above in magnetic fields up to 19 tesla.Cernox™ Thin-Film Resistance Temperature Sensorsoffer a negative temperature coefficient, monotonicresponse over a wide temperature range, low magneticfield induced errors, and high resistance to ionizingradiation.Germanium Resistance Temperature Sensors arerecognized “secondary standard thermometers” and havebeen employed in the measurement of temperature from0.05 K to 30 K for more than 30 years.6.6 SPECIAL EQUIPMENTThere are a number of 4 – 20 mA displays available for use with the Model234. Suggested manufacturers include the following.Acculex440 Myles Standish Blvd.Taunton, MA 02780(508) 880-3660Newport Electronics, Inc.630 East Young StreetSanta Ana, CA 92705-5687(714) 540-4914Triplett Corp.One Triplett DriveBluffton, OH 458171-800-874-7538