Packed with features, including auto shut-off, data hold, low-battery indicator, manual and auto temperature compensation, and minimum/maximum/average reading recall. Heavy-Duty pH / mV / Temperature Meter has easy two-point slope and calibration adjustments at pH 4 and 7. Remote pH electrode with 3'L cable plus separate temperature probe. pH / Temperature Meter Kit (No. 37323) includes meter, pH electrode, temperature probe, protective holster and 9V battery. 7"H x 2.9"W x 1.3"D, weighs 17 oz. Protect Meter with Hard Vinyl Carrying Case (No. 37324), sold separately.