ppm meter

CARBON MONOXIDE METER

To take a reading of your solution - simply place the probe head into the solution for 1-2 minutes to reach the same temperature of your nutrient.

The Milwaukee SM801 includes Automatic Temperature Compensation, 0 to 50 C, calibration solution and replaceable probe (MA850).

The Lamotte Salt Pocketester will measure your sodium chloride level between 0 and 10,000 ppm. This salt meter is waterproof and includes carrying case for convenience.

This is a great TDS meter and test set. Meter reads the total dissolved solids from 0-1999 ppm (mg/l), the accuracy is 2%.

TDS and EC meters should be calibrated frequently every 1-4 weeks, depending on use.

No Calibration Water proof Auto On/Off! Reads EC, CF and PPM on one lighted scale Please visit our Amazon storefront for a complete selection, Manufacturer: Truncheon

Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.

pH /EC/TDS meter (4.00 mS 1999 ppm) with C range Clean & Cal

Mesures the TDS of your nutrient solution with this hand held meter.