Jofra CTC-660A Dry Block Temperature with NATA certification. Range 28 to 660 degC. Accuracy +/-0.85 degC, stability +/-0.08 degC and resolution of 0.01, 0.1 or 1 deg. Immersion depth 115mm. Supplied with insert M01 (hole sizes, 9, 5, 6, 4, 4, 3mm). Various insert sizes available, please inquire.