JOFRA ITC Series dry block temperature calibrators come in three models covering -23 to +155 deg C (ITC-155), +33 to +320 deg C (ITC-320 and +33 to +650 deg C (ITC-650). They have a dual-zone heating block and MVI circuitry. The dual-zone heating block increases the temperature homogeneity in the critical calibration zone. This minimizes the need for insulate sensors-under-test and makes it possible to calibrate liquid-filled and other mechanical sensors. MVI circuitry ensures stable temperatures even when the mains voltage is unstable.
AMETEK Calibration Instruments; 727/536-7831; www.ametekcalibration.com