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Date

Brannan digital clinical thermometer

1985

Hand-Held Electronic Digital Thermometer, 1994

1994

Digital Temperature Controller, 1977

1977
`Infratrace' infrared non-contact electronic digital thermometer type KM800S by Comark Ltd, Welwyn Garden City, Hertfordshire, 1994, with low-voltage power supply unit.

Infrared Non-Contact Electronic Thermometer, 1994

1994
Electronic digital panel mounting thermometer type 9501 by Comark Ltd., with additional bar graph display and alarm outputs, with external type K thermocouple probe, made in 1994

Precision Digital Thermometer, 1994

1994
Digital thermometer by Digitron Instrumentation Ltd., with a metal probe and red liquid crystal display screen. Powered by four batteries or via a mains connection point. Has a belt carrying-clip built into the plastic case and the probe is stored in a slot in the case

Digital thermometer by Digitron Instrumentation Ltd.

1965-1979
Electronic digital thermometer type 5315 serial no. 11915 by Comark, patent 1397288, for use with Ni-Cr/Ni-Al thermocouple, mains powered, 1970-1984.

Electronic digital thermometer type 5315 serial no. 11915 by Comark

1970-1984