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  • Linear range: 0 to 20 ppm (mg/L) as Cl2
  • Linearity per ISO 15839: 0 - 10 ppm:2%; 0 - 20 ppm: 3%
  • Response time following step change in concentration: 90% of final value within 7 minutes at 25°C
  • Drift: ~1.5ppm in clean water and constant temperature; < 0.05 ppm over 2 weeks
  • Detection limit (per ISO 15839): 0.02 ppm (mg/L) in clean water at room temperature

The Rosemount Analytical TCL Total Chlorine Analyzer is intended for the determination of total chlorine in water, including the determination of chlorine in seawater. The Rosemount Analytical TCL system consists of a sample conditioning unit, a sensor and either the 1056 Dual Input Analyzer (1056-24) or 56 Dual Input Analyzer (56-24). With no metal wetted parts this Rosemount Analytical TCL system is ideal for seawater. The sample flow rate is approximately a low 15mL/minute resulting in very little waste. The reagent-based system measures true total chlorine.

The Rosemount Analytical TCL Total Chlorine Analyzer is a sample conditioning system that permits a single sensor to measure total chlorine in water. The sample conditioning system continuously injects a solution of acetic acid (vinegar) and potassium iodide into the sample. The acid lowers the pH to between 3.5 and 4.5 and allows total chlorine in the sample to quantitatively react with the potassium iodide concentration, and the analyzer displays the total oxidant concentration in ppm as Cl 2.


Rosemount Analytical VP6 Cable
VP6 conductivity, amperometric cable for the Rosemount Analytical 400 series, available in 2.25 to 100ft lengths
In Stock

Mounting Bracket

Rosemount Analytical Panel Mounting Kit
Contains all parts required to mount a Rosemount Analytical analyzer or controller in a panel
Rosemount Analytical Pipe/Wall Mounting Bracket
Pipe & wall mounting bracket for models 1056, 1057, 5081, 6081 & XMT
In Stock


Rosemount Analytical 499 Series Dissolved Oxygen/Ozone/Chlorine Sensors
Precision dissolved oxygen, dissolved ozone and chlorine sensors
In Stock


Rosemount Analytical Reagents
Reagents for reagent-based chlorine analyzer systems


Please consider these optional accessories.

Rosemount Analytical Cable Gland Kit
Pack of 5 cable glands for Rosemount Analytical models 54e, XMT, 1055 & 1056
Rosemount Analytical 99CC Calibration Certificate
One certificate per lot at standard factory ranges only, includes the model, serial and/or tag numbers (does not include actual test data)
Rosemount Analytical Electronic Calibration
Certificate for specific unit, includes model, serial and/or tag numbers, test standards, NIST report numbers, & the actual test data
Rosemount Analytical Certificate of Origin
Original certificate of origin with chamber of commerce stamp
Rosemount 1410 Wireless Gateway
Connects WirelessHART networks with host systems & data applications, offers network flexibility for remote indoor operations
Rosemount 1420 Wireless Gateway
NEMA 4X gateway connects WirelessHART networks with host systems with the capacity for up to 100 devices
Rosemount 775 Wireless THUM Adapter
Enables wireless capabilities for 2, 3, or 4-wire HART devices to remotely manage, monitor & gather data
In Stock


This product can be used in the following applications: