Features
- Fast response from 5 minutes
- Two point automatic calibration
- Automatic chemical cleaning
- Continuous or intermittent analysis
- No filtration to 100mg/L suspended solids
- Telemetry outputs
Description
The ProAm Chloride Monitor is a simple, compact on-line analyser designed to accurately determine Chloride concentrations in real-time. Other parameters which include Ammonia, Nitrate and Fluoride may also be configured. The instrument comprises a wall-mount analyser section with an integral sample pump and a controlling processor interfaced by a membrane keyboard and back lit LCD. Electrical connections for power supply and signals are externally made from a separate IP65 enclosure which is typically installed adjacent to the analyser section.
- ProAm
Low cost, single stream analyser with automatic calibration/clean routines
PRINCIPLE OF OPERATION
The ProAm analyser uses an ion selective (ISE) Chloride electrode. Sample is delivered through large diameter tubing to a glass vessel containing the electrode. The sample is also temperature regulated and sparged with air to create a flow past the sensor. The integral peristaltic sample pump can deliver sample directly from source or from a fast sample loop. A series of pinch valves are configured to control the passage of sample, calibration and cleaning fluids without introducing points of blockage thus improving reliability. Loss of sample or calibration fluid is detected by an inline sensor. For process and waste water applications, membrane filtration may be integrated to remove particulate and biology from the sample to improve measurement performance.
CONTROL AND MONITORING OPTIONS
Various options are available offering different levels of automation and communication. As standard, the instrument is supplied with an analogue output with its range determined by the selected calibration values. Four change-over contact relays (volt-free) are also available; two may be configured as limit alarms and two may be programmed to indicate various fault conditions. Alternatively, data may be transmitted to telemetry using Profibus or Modbus (other protocols are available on request). The instrument may be configured for continuous or intermittent analysis and controlled remotely using the BUS system.
PRINCIPLE OF OPERATION
The ProAm analyser uses a Chloride ion selective electrode (ISE) to continuously report the Chloride concentration. The integral peristaltic pump continuously delivers sample through large diameter tubing to a measuring vessel containing the Chloride ISE. It is also possible to continuously add an ionic strength adjuster to the sample, although typically for waste water applications this is not necessary. The sample is also temperature regulated / compensated and sparged with air to promote mixing. The integral peristaltic sample pump can deliver sample directly from source or from a fast sample loop. A series of pinch valves are configured to control the passage of sample, calibration and cleaning fluids without introducing points of blockage thus improving reliability.
PRE-INSTALLATION INTO COMPACT SECONDARY ENCLOSURE
The Proam may be supplied in a compact GRP enclosure suitable for outside installation complete with frost protection. All the components are pre-installed to simplify site installation.
Typical Specifications
| Measuring Range: | 1.8 to 35,500 PPM CL⁻ FSD |
| Repeatability: | +/- 5% or better CL⁻ |
| Enclosure: | GRP to IP54 protection |
| Dimensions: | Analyser 420(h) x 370(w) x 220(d) mm Terminal Box 182(h) x 275(w) x 180(d) mm |
| Outputs: | Analogue 4-20mA standard 2 x process limit & 2 x utility alarms |
| 2 x process limit & 2 x utility alarms | |
| Power supply: | 110/230VAC 50/60Hz |
| Weight: | 30 Kg |
Related Downloads
The ProAm Chloride Monitor is a simple, compact on-line analyser designed to accurately determine chloride concentrations in real-time. Other parameters which include Ammonia, Nitrate and Fluoride may also be configured. The instrument comprises a wall-mount analyser section with an integral sample pump and a controlling processor interfaced by a membrane keyboard and back lit LCD. A separate junction box provides connection for power supply and control outputs.
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