COMMERCIAL TRUNCHEON METER (EC/PPM) Bluelab Commercial Truncheon®
EC(0.4-6.0), CF(4-60) and ppm scales (TDS and 700 scale)
Auto sense on and off
No external switches or adjustable buttons
Battery life minimum 1 year (or shelf life of battery)
5 year Bluelab guarantee
The Bluelab Commercial Truncheon® Nutrient Meter measures the strength of a nutrient solution, just ... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
Nutradip PPM AC/DC Combo Meter Nutradip (Tri Meter) Nutradip PPM AC/DC Combo Meter (ND1100037)These continuous monitoring meters feature automatic temperature compensation, with high quality probes and AC/DC power built-in for portability. Engineered for accuracy and durability, they are lightweight, splash resistant and have an easy-to-read display. Wall mount or hand held. Includes replaceable 9 volt battery a... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.