HM Digital TDS-3 TDS Handheld meter Tester + NaCl 342ppm calibration solution

Description

TDS-3: Handheld TDS Meter with Carrying Case
With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.
FEATURES:
Hold Function
Auto-off Function (After 10 min.)
Built-in digital thermometer
Includes a carrying case with belt clip
Factory Calibrated with a 342 ppm NaCl solution. (Meter can be recalibrated with a mini-screwdriver).
C-342 : TDS and EC Calibration Solutions
For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
FEATURES:
NaCl calibration solution, available in 342 ppm
Comes in lightweight HDPE plastic bottles
Sealed with a coated foam liner