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Q45H/62-63 Residual Chlorine Monitor

 

Monitor Your Chlorine Reagent Free!

Chlorine Monitor for continuous water quality monitoring of free or combined chlorine.
 
The Q45H system uses a polarographic membraned sensor to measure chlorine directly, without the need for chemical reagents. When needed, automatic pH compensation may be added for highest free chlorine measurement accuracy. Systems are available to provide 4-20 mA outputs for chlorine, pH, and temperature to allow easy CT calculations.
 
Q45H systems are economical to purchase, economical to maintain, and provide long term accuracy and reliability for your chlorine monitoring needs.
 

SENSOR & FLOWCELL OPTIONS

Two types of chlorine sensors are available. One is designed for flowcell installation, and the other is for submersion applications. Free chlorine monitoring should always be done using a flowcell system. Good control of sample flow and pressure is important for accurate measurement. The standard constant-head flowcell should be used for most applications. A sealed flowcell and a low-volume flowcell are also available for special applications. Consult your ATI representative for application assistance.
 
Submersible combined chlorine sensors can sometimes be used for measuring total chlorine in wastewater effluent. Wastewater effluents containing more than 1 PPM of ammonia, often result in a chlorine residual that is more than 90% monochloramine. Direct measurement with a submersible sensor can provide a dependable monitor without all the sampling and chemicals associated with total chlorine measurement.
 

Say Goodbye to Buffers & DPD Reagents Forever!

 
 
  Submersion & Flowcell Sensors         Constant Head Flowcell    
    Sealed Flowcell  
 

SENSOR STABILIZATION

Chlorine sensors, especially free chlorine, require up to 8 hours of stabilization time when first installed or after membrane change. ATI offers a battery powered “polarizer” that can be used to stabilize a spare sensor so it is ready to run within a few minutes of installation. Polarizers simply plug into the sensor connector and require no adjustments.
 

PRODUCT FEATURES

Free or Combined Chlorine

Q45H Monitors are factory set for either Free or Combined Chlorine measurement, but can easily be converted from one to the other in the field.
 

Economical Operation

Reagent-less operation and low parts cost makes the Q46H your best choice for chlorine monitoring applications in potable water, wastewater, cooling water, or high purity water systems.
 

Automatic pH Compensation

For free chlorine monitoring under widely varying pH conditions, automatic pH compensation may be added to maintain the highest measurement accuracy at pH levels up to 9.5.
 

Dual Chlorine/pH Monitoring

Even when pH correction is not required, adding a pH sensor to the system converts the monitor to a dual analyzer, providing 4-20 mA outputs for both chlorine and pH.
 

Flexibility

Programmable range options from 0-200 PPB up to 0-200 PPM provide maximum application flexibility.
 

AC Power Options

Power options include 115/230 VAC
 

Analog Output Options

Two isolated 4-20 mA outputs are standard, with an option for a third output if required. Default setting provides analog outputs for chlorine and pH.
 

PID Output

Standard PID control function assignable to one analog output.
 

Relay Outputs

Two SPDT relays are standard, with relay functions programmable for alarm, control, or trouble indication. Three additional low power relays available as an option.
 

Flexible Mounting

NEMA 4X (IP-66) enclosure is suitable for wall, pipe, or panel mounting.
 

Clear Display

Back-lit large LCD display provides clear visibility in any lighting conditions. A scrolling second line on the display provides additional information and programming prompts.