FOR HANNA PH/EC/TDS METER with Cal Check Feature Replacement Probe for pH/EC/TDS with Cal Check The HIMTR-004 is a rugged all around waterproof meter for easy pH/EC/TDS measurements. The HIMTR-005 has all the popular features of the HIMTR-004 and will also display degrees C with the press of a button. The HIMTR-005 has an added Cal-Check feature that can assess the calibration status of the specialized probe in seconds. Accuracy is ensured with ATC and an advanced sensor which completely eliminates polarization and oxidation problems. Comes complete with probe, battery, calibration, cleaning & Cal-Check solutions. MSRP: $111.95
