Palintest Chlorosense, Reagent Free Chlorine Measurement
Introducing the unique chlorine sensor test from Palintest
Unique to Palintest, the new ChloroSense brings reagent free chlorine measurement to portable monitoring.
ChloroSense uses a unique and patented electrochemical sensor to measure free and total chlorine simultaneously in a potable water sample. Taking less than a minute to give both results, the ChloroSense provides fast, accurate and portable chlorine measurement over a wide range of concentrations.
The ChloroSense will be available in May. To be among the first people to try it out, fill in the form on the right of this page to join our early bird demonstration list!
Single use disposable sensors
The patented electrochemical sensors are individually packed and sealed against any possible contamination. There are no chemical reagents to measure out and none of the potential handling hazards associated with spilling powders or liquids. Stable for up to a year, the single use sensors test for both free and total chlorine simultaneously, and the readings are stored together with the temperature of the sample for later download.
Used sensors can be returned to Palintest for recycling.
Wide test range
The ChloroSense has the widest test range for Chlorine in any portable instrument, with measurement time of under a minute for both free and total chlorine, including sample temperature.
Free Chlorine is measured with high accuracy and repeatability. The wide range of ChoroSense means the instrument can be used in monitoring both residuals and disinfection levels.
As well as providing a wide test range the ChloroSense gives a sensitivity and resolution equivalent to the standard DPD method at the bottom of the test range, as well as a superior result in the 5-10mg/l range without requiring different reagents for the extended range.
Practical and rugged instrument
The design of the new ChloroSense instrument combines rugged good looks with usability. Rated to IP67 the waterproof instrument will withstand the tough environments common in the water industry. It is self-contained, with space inside to hold sensors for up to 30 tests. No additional reagents or tubes are needed. The integral sample container just needs rinsing and topping to the brim with sample water. The unit automatically sheds excess water, with no requirement for an accurate sample to be measured out.
The backlit LCD screen displays the instrument status, and provides simple on-screen instructions for the test.
The integral temperature probe reads the sample temperature, and automatically stores this together with the time and date of the test, and the free and total chlorine result.
Once the day’s testing is over, the results can be downloaded to a computer using the easy USB connection on the instrument. Simply plug into a computer and drag-and-drop the results file into the PC. Data is in an easy to read format, which can be directly imported into any spreadsheet programme.
Quick Guide to ChloroSense – Frequently asked questions
Why did we develop ChloroSense?
The DPD tablet test has been and continues to be the
industry standard method for chlorine testing ever since Dr
Thomas Palin established it nearly 50 years ago. However,
following repeated requests from the Water Industry for a
simpler and less technique dependent method we have sought
to develop the ultimate chlorine testing instrument.
One which requires no reagents, no tablets and no
liquids. All you need is the instrument and sensor (and some
Do I need to handle any chemicals when I do a test?
No, all you need is a sample of water and the
Do I have to wait a long time for the result?
No, the ChloroSense gives you free chlorine, total
chlorine and temperature in under a minute. This is
considerably quicker than the existing methods for
conducting these three tests.
Are there any consumables?
Yes, each time you carry out a test you will need to
change the sensor. This is easy and quick. You simply
remove from it from its foil and slot it into the
ChloroSense. Then you are ready.
What else do I need?
What do I do with the used sensors?
Since they are not hazardous in any way you could throw
them away. Better still, be kind to the environment and put
them all in the pre-paid envelope provided and send them
back to us for re-cycling.
Do I need to calibrate the instrument?
Yes, but we have made this a simple process. With each
box of electrodes we will supply a calibration chip. Put
this in the ChloroSense and the calibration is automatically
loaded and you’re ready.
DPD has a range of up to 5ppm. How high does ChloroSense
Even super chlorination levels can be tested using
With such a wide range isn’t accuracy compromised?
No, because the sensor response is linear the accuracy
is good over a wide range of concentration.
Does ChloroSense have a datalog?
Yes, it stores up to 500 sets of results. Then when the
ChloroSense is connected to a computer via the USB port, the
results can be dragged onto your desktop and opened in a
Is ChloroSense Waterproof?
Yes, it has an IP67 rating, which means that it will
still function after being 1metre underwater for 30minutes.
Is ChloroSense Environmentally Friendly?
Yes, we believe so. Even DPD tests generate small
amounts of chemical waste. With ChloroSense there is none.
To encourage the re-cycling of the used sensors and
calibration chip we provide a pre-paid envelope for you to
return them to us. There need be no waste left at the test