... stick meter, CF stick meter, PPM stick meter, Nutrient Truncheon, EC/PPM/CF stick, EC/PPM/CF meter PH ... stick, EC stick meter, CF stick meter, PPM stick meter, Nutrient Truncheon, EC ... display.Digital 3-in-1 Nutra-Wand Nutrient Meter· Large Digital LCD display with backlight illumination ... ppm nutrient testing in just a light-weight meter.3. Wider measuring range and higher accuracy ...