HORIBA OPSA-150 Organic pollutant monitor

Model

OPSA-150

Measurement item

UV absorbance, VIS absorbance, COD conversion concentration, TURB (turbidity) conversion concentration

Measurement principle

Dual optical path, Dual wavelength, rotary cell length modulation method

Measurement wavelength

Ultraviolet: 253.7 nm, Visible light: 546.1 nm

Structure of analyzer unit

Circulation type

Measurement range
(converted by cell 10mm)

UV absorbance/VIS absorbance
Full scale: 0.1 Abs to 5.0 Abs (setting by 0.1 Abs is possible)

Minimum scale

0.0001 Abs (changeable to 0.001 Abs)

Repeatability

Within ±2.0% of full scale
(Within ±5.0% of full scale for 2.6 Abs to 5.0 Abs)

Linearity

Within ±2.0% of full scale
(Within ±5.0% of full scale for 2.6 Abs to 5.0 Abs)

Stability

Within ±2.0%/24 h of full scale
(Within ±4.0%/24 h of full scale for 2.6 Abs to 5.0 Abs)

Response time

T90, within 1 minute (flow rate of approximately 5 L/min)

Cleaning method
(cleaning cycle)

Automatic cleaning by wiper (automatic continuous cleaning)

Display method

LCD display:
320 × 240 monochrome graphics LCD data display with dot backlighting (a touch-panel)
Display content:
UV absorbance, VIS absorbance, UV-VIS absorbance, COD conversion concentration, TURB (turbidity) conversion concentration

Calibration method