OPM 250 Spectrophotometer
Water Solution
OPM 250 Spectrophotometer
Water Solution
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- OPM 250 Spectrophotometer
OPM 250 Spectrophotometer
Reliable Analyser for Wastewater Quality Measurement
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The OPM 250 SERIES system is the ideal solution for accurately measuring COD, TSS, and BODc online. The advanced OPRUSS Spectrophotometer is a compact yet precise instrument suitable for various water applications. It uses revolutionary Dual Beam Absorption technology, which scans Ultraviolet and Visible light to detect contaminants.
Benefits
● No reagents required
● Can be installed outdoors
● Operates in various water types
● Designed specifically for treated wastewater applications
● Highly accurate for treated effluent and sewage treatment plants
● Consumable-free and chemical-free spectral measurement for precise COD and turbidity determination
Model Name: OPM250
Core Processor Specifics
● Manufacturer: MSP430TM Series, Texas Instruments, USA
● Continuous operating application
● Non-interruptible stable output
● Adaptability to AUTOMATICA Two Way Diagnostics
● Ultra-efficient power consumption
● 16 Bit RISC with enhanced UART
● IrDA encoder with synchronous SPI
Optical & Photodetector Specifics
● Manufacturer: HAMAMATSU (TM) Photonics, JAPAN
● Spectral response range: 190 nm to 1100 nm
● High sensitivity across the complete spectral range
● Ability to measure at narrow bandwidth
● Superiorly accurate performance
● Background data transmission for interference cancellation
Measurement Method
● UV + VIS Spectrophotometer (Dual Beam Absorption Spectrophotometry):
○ 200-350 nm for Ultraviolet spectrum scanning
○ 320-750 nm for Visible spectrum scanning
○ Turbidity compensation at overlapping spectral bandwidth
Measured Parameters
● COD: 0-10000 mg/l
● BODc: 0-10000 mg/l
● TSS: 0-5000 mg/l
Measurement Accuracy
● Within ± 2% of full scale
● Measurement repeatability: Within ± 2% of full scale
● Measurement linearity: Within ± 2% of full scale
● Measurement stability: Within ± 2% of full scale
● Measurement interval: T90 Data output within 1 minute
● Resolution: 0.1 mg/L
● Calibration: Multi-point based automatic calibration
Calibration Options
● Standard calibration as per factory setting
● Local calibration for adaptive environments for compensation with respect to organic and inorganic proportions
● Remote calibration, drift validation feature (PC 20056078)
Ingress Protection Class
● IP68 for Spectrophotometer analyzer
Cleaning Method
● ACSC Cleaning (Optional – Compressed Air or Ultrasonic cleaning)
● Scheduled interval cleaning: settable every 05 – 1200 minutes
● Remote triggering through 2WC command
Material of Construction
● Titanium, Quartz, POM, SS316L
Cable Length
● 10 m standard (expandable)
Sample Operating Pressure & Flow Rate
● Pressure: 1 – 12 Bar
● Flow Rate: 0.5 – 20 LPM
Output
● RS485 from OPRUSS OPM250 Controller system
Sensor Diagnostics
● Onboard library for diagnostic commands available in AUTOMATICA version
Ambient Operating Conditions
● Ambient Temperature: 0-55 °C
● Ambient Humidity: 90% RH
● Maximum Pressure: 6 bars
● Storage Temperature: 5-45 °C
● Resistant to corrosive applications
Secondary Data Monitoring
● Sample loss
● Time correction
● Flux cancellation
● Temperature compensation
● Lamp health
● Cleaning system health, and more
Construction
● For in-situ and extractive installation compatible
● Color/Finish: Standard integral material finish as per MOC
● Installation Conditions: Installation guidebook to be referred
Non-corrosive POM shell
Built-in interference cancellation
Narrow bandwidth spectral scanning
Shock-proof sensor aperture
Adaptability to multiple water matrices
Grill casing for protection during surface water deployment
Repetitive, calibration-free, precise measurement
Zero-effort, maintenance-free cleaning system
No external dependencies for operational or sensor aperture cleaning process
Self-cleaning mechanisms help prevent fouling from biofilm or particles, ensuring reliable performance in difficult environments. The cleaning frequency can be set according to your needs. These mechanisms can be installed in place or as extractive types.
Sewage Treatment Plant
Effluent Treatment Plant
Water Treatment Plant
Lake and River Monitoring
Chemical Processing Plant
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