Organic Pollutant Monitor OPSA-150

OPSA-150

 

The OPSA-150 is a new organic pollutant monitor that uses HORIBA's proprietary Rotary Cell Length Modulation, a measuring technique incorporating 25 years of expertise.
The unit can be used as an organic pollutant monitor at drainage systems for determining compliance with COD monitoring regulations, for monitoring quality of water measuring levels of organic matter at water supply intakes, and as an organic monitor on process lines (phenol meter).

*Pole mount, outdoor cover, and analysis panel are available as options.

 

 

Division: Water Pollution
Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

 

Sensor that makes full use of Rotary Cell Length Modulation (Patent pending)

  • Zero drift correction is perfomed in every cycle of measurement. This correction can eliminate the effect of any interference on cells.

  • Cell length modulation provides readings from multiple measurements, making available results from various cell lengths. This allows the single device to make measurements on a large range of concentrations from as low as 0 to 0.1 Abs, up to 0 to 5.0 Abs.

 

 

Name

Organic Pollutant Monitor

Model name

OPSA-150

Measurement items

UV absorbance, VIS absorbance, Converted COD level, Converted TURB level

Principle

2 light path 2 wavelength cell length modulation

Measurement wavelength

UV: 253.7 nm, VIS: 546.1 nm

Construction of analysis section

Rotary type

Range (Equivalent to a cell length of 10 mm)

UV absorbance / VIS absorbance
0 to 0.1 Abs - 0 to 5.0 Abs (Can be set 0.1 Abs increments)

Resolution

0.0001 Abs (Can be set to 0.001 Abs)

Repeatability

Within ±2% of full scale (within ±5% if full scale is 2.6 to 5.0 Abs)

Linearity

Within ±2% of full scale (within ±5% if full scale is 2.6 to 5.0 Abs)

Stability

Within ±2% of full scale in 24 hours (within ±4% in 24 hours if full scale is 2.6 to 5.0 Abs)

Response time

T 90 within 1 minute (flow rate of 5 L/min)

Cleaning method (cleaning cycle)

Automatic cleaning via wipers (continuous cleaning)

Display methods

 

LCD display: 320 x 240 monochrome crystal display with backlight (touch panel type)
Display details: UV absorbance, VIS absorbance, UV-VIS absorbance (Absorbance can be changed to absorption constant (SAC: m-1), Converted COD level, Converted turbidity level

Calibration method

Solution calibration (calibration solution inserted in ampule) via zero solution, span solution (single touch calibration)

Sample conditions

Temperature

2 to 40°C*

Sample flow rate

Minimum 2 L/min, Maximum 20 L/min

*Use a heating device to prevent sample freezing.

Ambient conditions

Ambient temperature: 0 to 40°C, Ambient humidity: 85% or less

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

Specification

DC 4 - 20 mA, or DC 0 - 16 mA, isolated output (no isolation between each channel), maximum resistance load: 600Ω

Alarm and status outputs

 

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

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

Specification

Dry contact output, NO contact
Contact rating: AC 125 V 0.3 A, DC 30V 1 A (with resistance load) Each output has an independent COM interface

Contact input

No. of inputs

2 inputs (standard)

Type

Sample failure float switch input, time correction input

Specifications

No-voltage contact input (can connect to open collector), isolated input
On resistance: Maximum 100Ω, Open voltage: DC 26 V, Short circuit current: 13 mA

Communication

Interface: RS-232C Compatible Communication speed: 19200 bps

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.

Memory interval

1 minute or 1 hour

Memory save time

Every hour*

Data memory capacity

1 minute intervals0 for 10 day"s data, 1 hour intervals0 for 1 year" s data

*The most recent data is saved to memory.

Light source / Detector

Light source: Low pressure mercury lamp / Detector: Silicon photo cell

Tubing connections

Sample entry

Rp-1/2 socket

Overflow outlet (1)

13 A nominal diameter socket

Bypass outlet

Rc-1/2 socket

Drain outlet

50 A nominal diameter socket

Overflow outlet (2)

20 A nominal diameter socket

Drain outlet

Rc-1/2 socket

Construction

For outdoor installation

Material of parts in contact with sample

SUS, PVC, PP, CR, SiO2

Power source

AC 100 V to AC 230 V ±10%, 50/60 Hz

Power consumption

AC 100 V to AC 120 V: 45 VA maximum AC 200 V to AC 230 V: 60 VA maximum

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)

Color/Finish

Munsell 5PB8/1

Installation conditions

• Install on a flat stable surface away from sources of vibration and shocks.
• Ambient air must not contain dust, mist or corrosive gases.
• Use at atmospheric pressure.
• Out of direct sunlight.
• An area with good air circulation.
• An altitude of less than 2000 m.

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