| Product name |
Organic Pollutant Monitor (UV meter) |
| 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 |
Solution calibration using zero solution and span solution
(calibration solution in the ampoule) (one-touch calibration
is possible)
|
| Sample water condition |
Temperature: 2°C to 40°C (should not be frozen) Flow rate of
sample water: Min. 2 L/min, Max. 20 L/min * Keep the unit
warm (or preserve the heat) to ensure protection against
frozen sample water in the cold weather.
|
| Ambient temperature and humidity |
Ambient temperature: 0°C to 40°C, Ambient humidity: 85% or
below
|
| Analog output |
Point: 3 Type: arbitrary 3 items from UV absorbance, VIS
absorbance, UV-VIS absorbance, COD conversion concentration,
and TURB (turbidity) conversion concentration (selectable)
Specification: 4 mA to 20 mA DC or 0 mA to 16 mA DC,
insulated output (however, non-insulated among each channel)
Maximum load resistance: 600 Ω
|
| Contact output |
Point: 6 Type: arbitrary 4 items from POWER OFF, MAINTENANCE
(standard, fixed allocation) BATCH ALARM, COD MAX ALARM,
TURB MAX ALARM (standard), LIGHT SOURCE MALFUNCTION, NO
SAMPLE, CLEANING MOTOR ERROR, ANALYZER ERROR (selectable)
Content: POWER OFF: when the power OFF occurred. BATCH
ALARM: CLEANING MOTOR ERROR, LIGHT SOURCE MALFUNCTION,
ANALYZER ERROR MAINTENANCE: at in-maintenance mode and
calibration mode, and when maintenance switch is ON.
Specification: contact output without voltage, a contact
Contact rating: 125 V AC/0.3 A, 30 V DC/1 A (however, for
load resistance) each output COM-independent
|
| Contact input |
Point: 2 Type: Float switch input, time adjustment input
Specification: contact input without voltage (open collector
can be connected), insulated input ON resistance: Max. 100
Ω, Open voltage: 5.5 V DC, Short circuit current: Max. 10 mA
|
| Communication |
Interface: RS-232C compliant Communication speed: 19200 bps
|
| Data memory |
Memorize the data of measurement value of the measurement
item in the main body. Memorized data can be transferred to
the CF card. Memory interval: 1 minute or 1 hour Memory
time: on the hour every hour Data memory time: interval of 1
minute: approximately 10 days interval of 1 hour:
approximately 1 year * The latest data is memorized.
|
| Light source/detector |
Light source: low pressure mercury-vapor lamp, detector:
silicon photo diode
|
| Piping sockets |
- Sample inlet Rp-1/2 female
- Bypass outlet Rc-1/2 female
- Overflow outlet (1) Elbow fitting, 13A (nominal)
- Overflow outlet (2) Elbow fitting, 20A (nominal)
- Drain outlet Rc-1/2 female
- Discharge Tube coupling, 50A (nominal)
|
| Structure |
Weather-proofed for outdoor installation (equivalent to
IP54)
|
| Main material of each unit |
SUS, PVC, PP, CR, SiO2 |
| Power |
100 V to 230 V AC ±10%, 50/60 Hz |
| Power consumption |
100 V to 120 V AC, Max. 45 VA 200 V to 230 V AC, Max. 60 VA
|
| Mass |
Control unit: approximately 5.0 kg Analyzer unit:
approximately 5.6 kg
|
| Dimension |
Control unit: 240 (W) × 104 (D) × 320 (H) mm Analyzer unit:
200 (W) × 180 (D) × 403 (H) mm (Protruding portion are not
included.)
|
| Painting color |
Control unit: Munsel 5PB 8/1 |
| Conditions for installation |
-
Flat and stable places free from strong vibration or
shock
-
Places free from dirt or dust, or where no corrosive
gases will be generated.
- At the atmospheric pressure
- Places not subject to direct sunlight
- Places well-ventilated
- Altitude of 2000 m or below
|
