Julabo immersion circulators are manufactured under ISO9001 conditions and feature PID temperature control. PID provides you with the highest temperature stability with disturbance factors compensation. Compact in design, these heaters feature temperature ranges up to 200°C and high pump capacity up to 15 liters per minute. Immersion heaters can be used with baths up to 50 liters and wall thicknesses up to 26mm included with bath attachment clamp. Units are 115V/60Hz. 2-year warranty.