GWS logo

Calibration standards

Retun to product categories
Conductivity calibration standards include 500, 1412 and 12,800 uS/cm

EC calibration standards



ORP calibration solutions include -220, +220mv and 475 mv

ORP calibration standards



Other calibration solutions available include turbidity, chlorine, ammonia, nitrates and others

Other calibration standards



pH calibration solutions available include pH 4.0, 7.0 and 10.0 (Both imported standards -

pH calibration standards