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Q45 or 85 Peracetic Acid Transmitter
Brand: Analytical Technology IncAs with any disinfection system, maintaining proper residual values is the key to effective pathogen control.
To facilitate reliable chemical feed control, ATI has developed an on-line water quality monitor cable of providing real time measurement of low levels of PAA in solution.
The Q45-85 Peracetic Acid Monitor uses a direct sensing polarographic probe.
The probe is typically used in a flowcell, but a submersible sensor is also available.
A permeable diffusion membrane isolates the sensing electrodes from the measured sample, providing long-term stability without electrode fouling problems.
The measurement is selective for PAA and is not affected by changes in hydrogen peroxide concentration, which is always present in PAA solutions.
Features- Programmable range options from 0-2 PPM 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. Default setting provides Analog outputs for PAA and temperature. 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. 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.
Specifications
Display Range
- 0-20.00, 0-200.0, 0-2000 ppm or mg/L
Accuracy
- 0.5 % of selected range or 0.02 ppm
Repeatability
- 0.3 % of selected range or 0.01 ppm
Sensitivity
- 0.05 % of Selected Range
Linearity
- 0.1 % of Selected Range
Temperature Drift
- 0.1 % of Span/°C
Sensor Type
- 2E Amperometric (Polarographic) Membraned Sensor
Temperature Input
- Pt100 in Sensor for Temperature Compensation
Power
- 2- Wire Unit: 17-30 Vdc, 25 mA Max.
- Battery Unit: Two AA Alkaline Batteries
- External DC: 5-17 Vdc, 10 mA Max.
Analog Outputs
- 2-Wire Unit: Single 4-20 mA DC, 450 ohms Max.
- Battery Unit: Two 0 - 2.5 Vdc, 50K ohms min.
- External DC: Two 0-2.5 Vdc, 50K ohms Min.
Output Isolation
- 600 V Galvanic Isolation
Enclosure
- NEMA 4X (IP-66) Polycarbanate, V-0 flammability
Mounting Options
- Wall or Pipe Mounting Bracket Supplied
Conduit Entries
- Two PG-9 Cord Grips, 0.16 - 0.31" Diameter Cable
Ambient Temperature
- Operating: -40° to + 60° C
- Storage: -40° to + 70° C
Ambient Humidity
- 0-95 %, Non-Condensing
Size
- 4.4" H x 4.4" W x 3.5" D (111 x 111 x 90 mm)
Weight
- 2-Wire or External DC Unit: 1 lb (0.45 Kg)
- Battery Unit: 2 lb (0.9 Kg)
Certifications
- CE marked to BS EN 61326-1:2006 Standard
- UL and CSA General Purpose
PAA Sensor
- Membrane-Covered Amperometric (Polarographic)
Sensor Materials
- PVC & 316 Stainless Steel
Sensor Response Time
- 90 % in 60 Seconds
Sensor Temperature Limits
- 0-50° C
Sensor Pressure Limit
- 0-50 psig
Sensor Cable
- 25 ft (7.5 m) Standard
Sensor Flowcell
- Clear Acrylic Constant-Head Overflow or Sealed Acrylic Flowcell
Sensor Sample Flow Rate
- 7 - 15 GPH (0.5 - 1.0 LPM)
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