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CLF-1610 Reagentless Free Residual Chlorine MonitorThe CLF-1610 Reagentless Free residual chlorine monitor is designed as a simple to use instrumentl to measure Free chlorine levels in water treatment plants and systems. The polarographic detection system allows for very fast and accurate analysis without the need for toxic reagents. Features - Contact free, swing rotary polarographic electrode provides accurate and stable real time continuous measurement measurement. The sensor cell also features a ceramic beads cleaning system to provide long-term measurement reliability. -4-20mA and alarm level outputs. In addition to a 4~20mA output signal, this instrument also provides a digital RS-485 interface as a standard feature. This allows advanced digital communication using Modbus protocol including data exchange with control systems such as DCS. -Easy installation. Compact, lightweight design suitable for wall or rack mounting. All access for pipe and cable connections is from the front minimising installation space requirements. Options are available for indoor free standing rack mounting and for systems installed in weatherproof cabinets etc.. -The instrument can cope with a wide range of sample input pressures from 0.05 to 0.5 MPa allowing direct connection to the process line if required.Reagentless operation and membrane free sensor. More information:
Literature as a pdf Standard Specifications:
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| Product Name: | Reagent less Free Chlorine. |
| Model: | CLF-1610 |
| Measurement Object: | Free available chlorine (free chlorine) of water |
| Measurement Method: | Polarography by eccentric rotary micro-electrode. |
| Sensor: | CLR-20 swing rotary (with built-in Au-Ag temperature compensation resistor) sensing electrode, type 2128. |
| Measurement Range: | Select one of
the following:- 0~1/2, 0~2/3, 0~1/3 mg/l (ppm units are also available if specified). |
| Measurement Range
Switching: |
Manual or remote switching (client to specify). |
| Indication: | Digital display (LCD, 0.00~10.00). |
| Output Signal: | 4~20mA DC, maximum load 600W, isolated output. |
Contact Switching Outputs:
Range indication, under maintenance, power fail, temperature fault, in
calibration mode *1, calibration error *1, analyser fault (contact rating:
30V DC, 0.1A). (*1: available with auto-cal option only).
High concentration,
low concentration (contact rating: 125V AC, 1A).
Contact Switching Inputs:
Range switching (open contacts=low range, closed contacts=high
range) (contact rating: 30V DC 0.1A).
Start calibration
(contact closed for 100mS or longer) (contact rating: 30V DC, 0.1A), only
available with auto-cal option.
Measurement Characteristics:
This instrument is suitable for measurement of clear, purified
water in water distribution systems or from hydrants etc.. There are pH
and conductivity restrictions for the sample as explained later in these
specifications. In addition, if combined chlorine exists, it will cause
a measurement error of 1/5~1/4 of the concentration. However, this characteristic
does not normally cause any problems, since purified water contains only
negligible concentrations of combined chlorine. For applications outside
these constraints or where increased accuracy is required, then a reagent-type
residual analyser should be used.
Sample Conditions:
| pH: | 6.5~7.5 |
| Conductivity: | 80mS/cm or greater. |
| Temperature: | 0~+40°C (no freezing). |
| Pressure: | 0.05~0.5 MPa (0.5~5 kgf/cm2). |
| Consumption: | 0.5~1 l/min. (flow rate of sample to be introduced into analyser: 0.1 l/min, approx.). |
| Wetted Materials: | Hard PVC, Teflon tubing, polyethylene tubing. |
| Electrode Cleaning: | Electrode rotation with beads cleaning system. |
| Power Requirements: | 100V AC ±10%, 50/60Hz.(115V, 220V Option, Specify) |
| Power Consumption: | Approx. 50 VA (main body of instrument; approx. 20VA, with calibration; approx. 50VA) |
| Construction: . | Indoor, self-standing, drip-proof |
| Operating Temperature Range: | -5~+50°C. |
| Operating Humidity Range: | <85% RH. |
Main Materials:
Transmitter: |
ADC12 (Al. die cast). |
| Sensor: | A1050P (Al.) |
| Frame: | A1100P (Al.) |
| Paint Color: | Transmitter/sensor: Pantone 537C (Equivalent to Munsell 5PB8/1). |
| Frame: | Grey (Equivalent to Munsell N6). |
| Weight: | Approx. 20kg. Mounting Floor standing. |
| Piping Connections: | Sample inlet: VP16 pipe. |
| Drain: | VP25 pipe. |
| Wiring Connections: | Five glands for 6mm~12mm diameter cable entries. |
Performance:
| Repeatability: | ±2%FS (with chlorine standard solution). |
| Linearity: | ±5%FS (with chlorine standard solution) |
| Response Time: | Within 2 minutes
for 90% response (measured from sample inlet at flow rate of 1 l/min). |
Options :
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• Automatic
Calibration Function |
Zero: water filtered by active charcoal filter is introduced. |
| Span: | None. |
Calibration Start Mode:
| Manual: | Calibration starts by keypad command. |
| Auto: | Calibration starts by internal timer. |
| Remote: | Calibration starts by external contact input signal (when calibration period is set at 0 hr). |
| Calibration Period: | 0~999 hr. variable (Initial value 15 mins). |
| Calibration Duration: | Approx. 10 mins. |
| Stand-by Time After Calibration: | 0~30 min. variable (Initial value15 mins). |
| Output Hold Time
During Calibration: |
Calibration time + stand-by time. |
Unit for Increasing Conductivity (Model CLZ-2):
This unit increases the conductivity of the water sample
by adding salt tablets. This is required for low conductivity samples.
Calibration Unit:
This unit is used for manual zero operation and consists
of an activated charcoal filter, a calibration liquid tank and a built-in
manual switching valve.
Principle of Operation:
This instrument consists of a sensor and transmitter mounted
on a self-standing frame. The sample flows to the measurement cell of
the sensor. In the measurement cell, a fixed voltage is applied between
a sensing electrode and a counter electrode to achieve electrolytic reduction.
The reduction current (diffusion current) that flows across the two electrodes
is proportional to the free chlorine concentration present between the
electrodes. This current is amplified and the represents the free chlorine
concentration.
Many of the DKK-TOA Industrial process control instruments are available from Analyticon with many options and configurations to suit an entire range of applications. As a leader in analytical sensor technology, many years of expertise and innovation have been incorporated into the finest process control equipment in the world.
Every process monitoring environment will have unique requirements including sensor configuration of the electrode, including submersable flow thru type cells, system pressure and voltage requirements, indoor/outdoor applications, data logging requirements, and electrode maintenance issues.
It is very important to know all of the parameters for the particular meausurement you will be making. If you need additional information, please have all this information available when contacting Analyticon in order to be able to process your request.
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Analyticon
Instruments Corporation |
