Q46H/62-63 Residual Chlorine Monitor

Easy online monitoring and control of chlorination systems, with minimal maintenance

9 ₫

Key benefits

Free or combined chlorine
Automatic pH compensation
Reagent free
Dual Chlorine/pH Monitoring

Applications

The Q46H/62-63 Residual Chlorine Monitor is available for a wide range of applications including:

Potable water systems
Water reuse systems
Cooling towers
Aquariums
Wastewater treatment effluents.

Category: Uncategorized

Continuous water quality monitoring of Residual Chlorine

ATi’s Residual Chlorine Monitor is an upgraded version of our proven Q45H system for continuous water quality monitoring of 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 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 and an automatic pH compensation may be added for highest free chlorine measurement accuracy.

Q46H systems are economical to purchase, economical to maintain and provide long term accuracy and reliability for your chlorine monitoring needs.

Features & specifications

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, 0-20.0, 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 (optional 3rd output)
Relays	Three SPDT, 6A @250 VAC, 5A @24 VDC (optional 3 additional SPST non-isolated, 1A @30 VDC)
Display	4-digit, 0.75″ numeric LCD with 12-character second line, LED backlight
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) when assembled into panel
Zero Drift	< 0.01 PPM/month
Operating Conditions	0 to 50°C

SENSOR & FLOWCELL	DESCRIPTION
Sensor	Membrane-Covered Amperometric (Polarographic)
Optional pH Sensor	Combination pH sensor, with or without preamplifier
Materials	PVC & 316SS
Response Time	90% in 60 seconds
Temperature Limits	-5 to 55°C
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
Sample Flowrate	7-15 GPH (0.5-1.0 LPM)

Notes:

All systems come with one package of membranes, one 120 cc bottle of electrolyte, and one spare parts kit containing three each of all o-rings and special screws.
Suffix D, 2, 3, or 4 allow Q46H to supply outputs for both chlorine and pH.
Flowcell for Cl₂ / pH combo systems should be kept within 25 ft of the monitor.
Buffer packet for pH 4 & 7 supplied with opt. 2, 3, or 4, suffix D.
Pipe mount requires two 2″ U-bolts (47-0005).

Ordering Information for Model Q46H/62-63 Chlorine Monitor

Suffix	Option	Description
Suffix A – Measurement Type	62	Free Chlorine
	63	Combined Chlorine
Suffix B – Power	1	100-240 VAC, +/-10%, 50/60 Hz
	2	12-24 VDC
Suffix C – Sensor Style	1	Sensor with constant head flowcell and 25 ft cable
	2	Submersible sensor with 25 ft cable (Combined Chlorine only)
	3	Sensor with sealed low-volume flowcell
	4	Sensor with 1/4″ Low-Flow “T” (Combined Chlorine only)
	5	Sensor with sealed flowcell
	6	Flow sensor only, no flowcell (use with extreme caution)
Suffix D – pH Sensor Input	1	None
	2	Q22 pH Sensor with battery preamp, 25 ft cable
	3	Standard pH sensor with 25 ft cable & adapter for overflow cell
	4	Standard pH sensor with 25 ft cable & sealed flowcell
Suffix E – Digital Output	1	None
	2	Profibus DP
	3	Modbus RTU
	4	Ethernet IP
	5	Modbus TCP/IP
Suffix F – Optional Output (select only one)	1	None
	2	One additional 4-20 mA output
	3	Three additional low power relays (SPST, 0.5 A max)
Suffix G – System Assembly	1	Panel with flow controls, without flow switch
	2	Panel with flow controls, with flow switch

Accessories

Part Number	Description
07-0100	NEMA 4X junction box
31-0038	Sensor interconnect cable (max. 100 ft)
00-0628	Mounting bracket kit for submersible sensor
00-0629	Cl₂ buffer injection system (for precipitation control)
55-0030	Rotameter for Cl₂ buffer system
07-0050	Free Chlorine sensor polarizer (flow)
07-0051	Combined Chlorine sensor polarizer (flow)
07-0053	Combined Chlorine sensor polarizer (submersion)
45-0042	2″ U-bolt, 304SS
45-0057	Panel Mount Bracket Kit

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Continuous water quality monitoring of Residual Chlorine

Features & specifications