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Name |
Organic Pollutant Monitor |
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Model name |
OPSA-150 |
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Measurement items |
UV absorbance, VIS absorbance, Converted COD level, Converted TURB level |
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Principle |
2 light path 2 wavelength cell length modulation |
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Measurement wavelength |
UV: 253.7 nm, VIS: 546.1 nm |
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Construction of analysis section |
Rotary type |
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Range (Equivalent to a cell length of 10 mm) |
UV absorbance / VIS absorbance |
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Resolution |
0.0001 Abs (Can be set to 0.001 Abs) |
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Repeatability |
Within ±2% of full scale (within ±5% if full scale is 2.6 to 5.0 Abs) |
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Linearity |
Within ±2% of full scale (within ±5% if full scale is 2.6 to 5.0 Abs) |
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Stability |
Within ±2% of full scale in 24 hours (within ±4% in 24 hours if full scale is 2.6 to 5.0 Abs) |
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Response time |
T 90 within 1 minute (flow rate of 5 L/min) |
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Cleaning method (cleaning cycle) |
Automatic cleaning via wipers (continuous cleaning) |
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Display methods
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LCD display: 320 x 240 monochrome crystal display with backlight (touch panel type) |
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Calibration method |
Solution calibration (calibration solution inserted in ampule) via zero solution, span solution (single touch calibration) |
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Sample conditions |
Temperature |
2 to 40°C* |
Sample flow rate |
Minimum 2 L/min, Maximum 20 L/min |
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*Use a heating device to prevent sample freezing. |
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Ambient conditions |
Ambient temperature: 0 to 40°C, Ambient humidity: 85% or less |
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Analog output |
No. of outputs |
3 outputs (standard) |
Type |
Up to 3 can be chosen from UV absorbance, VIS absorbance, UV-VIS absorbance, Converted COD level, and Converted TURB level outputs |
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Specification |
DC 4 - 20 mA, or DC 0 - 16 mA, isolated output (no isolation between each channel), maximum resistance load: 600Ω |
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Alarm and status outputs
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No. of outputs |
6 outputs (standard) |
Type |
Up to 4 can be chosen from power failure, maintenance (standard and fixed), batch alarm, COD maximum limit alarm, TURB limit alarm (standard), light source error, sample failure, cleaning motor error, and analyzer error outputs |
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Details |
Power failure...occurs when power fails Total alarm...cleaning motor error, light source error, analyzer error Maintenance...occurs when entering maintenance or correction mode, or when the maintenance switch has been turned on |
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Specification |
Dry contact output, NO contact |
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Contact input |
No. of inputs |
2 inputs (standard) |
Type |
Sample failure float switch input, time correction input |
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Specifications |
No-voltage contact input (can connect to open collector), isolated input |
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Communication |
Interface: RS-232C Compatible Communication speed: 19200 bps |
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Data memory |
Values of measurement items are stored in the main unit"s data memory. Data can also be transferred to a Compact Flash card. |
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Memory interval |
1 minute or 1 hour |
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Memory save time |
Every hour* |
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Data memory capacity |
1 minute intervals0 for 10 day"s data, 1 hour intervals0 for 1 year" s data |
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*The most recent data is saved to memory. |
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Light source / Detector |
Light source: Low pressure mercury lamp / Detector: Silicon photo cell |
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Tubing connections |
Sample entry |
Rp-1/2 socket |
Overflow outlet (1) |
13 A nominal diameter socket |
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Bypass outlet |
Rc-1/2 socket |
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Drain outlet |
50 A nominal diameter socket |
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Overflow outlet (2) |
20 A nominal diameter socket |
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Drain outlet |
Rc-1/2 socket |
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Construction |
For outdoor installation |
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Material of parts in contact with sample |
SUS, PVC, PP, CR, SiO2 |
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Power source |
AC 100 V to AC 230 V ±10%, 50/60 Hz |
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Power consumption |
AC 100 V to AC 120 V: 45 VA maximum AC 200 V to AC 230 V: 60 VA maximum |
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Weight |
Operating section: Approx. 5.0 kg Analyzer section: Approx. 5.6 kg |
|
External dimensions |
Operating section |
240 (W) x 105 (D) x 320 (H) |
Analyzer section |
200 (W) x 180 (D) x 404 (H) (units: mm) (excludes protruding sections) |
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Color/Finish |
Munsell 5PB8/1 |
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Installation conditions |
• Install on a flat stable surface away from sources of vibration and shocks. |