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Q46H/62-63 Residual Chlorine Monitor
Brand: Analytical Technology IncATI’s Model Q46H Chlorine Monitor is the latest version of our proven Q Series monitoring instruments for free or combined chlorine.
Monitor capabilities have been expanded to include options for a 3rd analog output or for adding additional low power relay outputs.
Digital communication options for Profibus DP, Modbus RTU, Modbus TCP/IP or Ethernet IP have been added, as well.
The Q46H 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.
Features- Offers Free or Combined Chlorine measurement
- Economical Operation
- Automatic pH Compensation
- Dual Chlorine/pH Monitoring
- Programmable range options from 0-200 PPB up to 0-200 PPM provide maximum application flexibility.
- AC or DC Power 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.
- Standard PID control function assignable to one analog output.
- Available in either Profibus-DP, Modbus-RTU or Ethernet-IP.
- Three SPDT relays are standard, with relay functions programmable for alarm, control, or trouble indication. Three additional low power relays available as an option.
- NEMA 4X (IP-66) enclosure is suitable for wall, pipe, or panel mounting.
- 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.
Specifications
Display Range
- 0-2.000, 0-20.00, or 0-200.0 ppm
Accuracy
- 0.5 % of Selected Range or 0.02 ppm
Repeatability
- 0.3 % of Selected Range or 0.01 ppm
Non-Linearity
- 0.1 % of Selected Range
Temperature Drift
- 0.01 % of Span/°C
Power
- 90-260 Vac, 50/60 Hz, 10 VA Max.
- 12-24 Vdc, 500 mA Max.
Analog Outputs
- Two Isolated 4-20 mA, 500 Ω load Max. (3rd Output Optional)
Relays
- Three SPDT, 6A @ 250 Vac, 5A @ 24 Vdc (3 Additional SPST Non-Isolated, 1A @ 30 Vdc Optional)
Display
- 4 Digit, 0.75” Numeric LCD with 12 Character Second Line, LED Back Light.
Enclosure
- NEMA 4X (IP-66) Polycarbonate, V-0 Flammability
Operating Temperature
- -20° to 60° C (-4° to 140° F)
Weight
- 6 lbs (2.7 kg) with Sensor, Flowcell & Accessories
- 15 lbs (6.8 kg) Assembled into Panel
Zero Drift
- < 0.01 ppm/Month
Operating Conditions
- 0 to 50° C
Sensor
- Membrane-Covered Amperometric (Polarographic)
Optional pH Sensor
- Combination pH Sensor, With or Without Preamplifier
Sensor Materials
- PVC & 316SS
Sensor Response Time
- 90 % in 60 Seconds
Sensor Temperature Limits
- -5° to 55° C
Sensor Pressure Limit
- 0-50 psig
Sensor Cable
- 25 ft (7.5 m) Standard
Sensor Flowcell
- Clear Acrylic Constant-Head Overflow Standard Sealed Acrylic Flowcell Optional
Sensor Sample Flowrate
- 7 - 15 GPH (0.5 - 1.0 LPM)
- Potable Water Systems
- Water Reuse Systems
- Cooling Towers
- Aquariums
- Wastewater Treatment Effluents.