Check the listing for details. Promac MasterCAL DHT 920 Calibrator BR. Condition: Used. Listed at 540.05 USD. JM Test s y s t e m s TEST EQUIPMENT MADE EASY ™ ©2019This listing is for the following:Manufacturer: PromacModel: DHT 920Serial #: n/aDescription: DHT 920 CalibratorIncluded Accessories: Leads, Power Cord, Temperature ProbeDescription:USEDIf you have any questions, let us know. *Listing is only for unit and accessories listed above. Any other equipment pictured is only to show functionality.*JM Test Systems, Inc. was founded in 1982 to provide quality and expedient service to industries that need repair and calibration of test and measurement equipment traceable to National Institute of Standards and Technology (NIST). The company has grown from a 2 person lab to our current status of over 300 employees in 5 laboratories across Louisiana and Texas and IllinoisOur quality is second to none; we are A2LA accredited to ISO 17025. Our A2LA audits include compliance with ANSI/NCSL Z-540, ISO-10012-1, and Mil Std 454662A. Our Electrical Safety Lab is NAIL for PET accredited to ASTM/ANSI specifications. We are members of the professional groups: NCSL, ASQ, ASME, GIDEP, LTC and ISAMAG G