Thermometers Recording 24Hour/7Day

Used to record temperature variations caused by hydration while curing concrete. Thermometer includes stainless steel bulb and 60 in (152 cm) of stainless steel armored capillary tubing. The recording drive has counterclockwise movement, connecting link and pen arm. It can be key wound or battery powered and is quartz controlled. Unit is enclosed in a protective reinforced plastic case with hinged window door. One fiber tip pen is included for all models. Order chart papers separately.