![Hand Held TDS Meter](http://store.chandlersystemsinc.com/cdn/shop/products/TDS_Meter_large.jpg?v=1439994861)
Hand Held TDS Meter
Hold Function: Saves measurements for convenient reading and recording
Auto-off Function: Turns off meter after 10 minutes of non-use to conserve batteries
Dual Range: Measure from 0-999ppm with a resolution of 1ppm. From 1000-9990ppm, the resolution is 10ppm, indicated with a blinking x 10 image
Factory calibrated