For a wide range of monitoring applications, including water, wastewater, cooling water, boiler feed water, R.O., utilities, food and beverage, industrial process control, and industrial effluents

OXITRACE® Series 1871 Residual Analyzer.
Microprocessor-based 1 ppb resolution Continuous monitoring Self-cleaning 10 ppb detection limit Ranges up to 16 mg/I chlorine NEMA 4X enclosure
Series 1870E Residual Analyzer
Free or total chlorine Continuous readout 10 selectable ranges 0-20 mg/I Self-cleaning +/- 2 % accracy
Series 1770E Free Chlorine  Residual Analyzer
No reagents LED raedout Drinking water applications 5% accurancy Low accuracy
pH/ORP Conductivity Dissolved Oxygen Temperature 0 to 14 pH -1000 to + 1000 mV ORP Probes for insertion, submersion, flow One-point in-situ calibration 1 to 100,000 us 0%to4% / °C temperature slope  adjustment 4.5 square inch measuring surface 0-20 mg/l or 0-200% saturation Replaceable probe cartridge Optional gold cathode for high sulfide applications 0°-100° C (32°-212° F) Auto-ranging PT100 temperature element