Automatic UV Analyzer UVT-300
This automatic UV analyzer makes full use of the features of the popular UVT-101, and is designed for even greater maintainability and ease-of-use.
Features
- Cell washing mechanism with no drive mechanism.
- High-speed response and fully continuous measurement.
- An optical system enables high-accuracy measurement with stability over the long-term.
- Direct-reading digital display.
- Easy to install, virtually anywhere.
- Reduced maintenance and management.
- A wide range of options.
Principle of Measurement
Light from a light source lamp passes through the sample cell, and is split into 2 directions using a half-mirror, and the amount of transmitted UV and visible light is detected by photocells. Part of the light from the lamp directly enters a photo cell on the light source side, and the amount of radiated UV and visible light are detected. By processing these 4 detection signals, it is possible to measure turbidity-corrected UV absorbance (UV-VIS) with automatic correction for the effects of changes in the turbidity of the sample water, and changes in the emission intensity of the light source lamp.
Specifications
| Measurement range | 0-0.5 / 0-1.0 absorbance (10 mm square cell conversion, 2 range switching) Or 0-1.0 / 0-2.0 absorbance (10 mm square cell conversion, 2 range switching) (VIS is guaranteed only for absorbance of 0-1.0) |
|---|---|
| Measured quantities | Turbidity-corrected UV absorbance (UV-VIS) UV absorbance (UV) Visible light absorbance (VIS) |
| Measured wavelengths | UV: 254 nm, Visible light: 54 6nm |
| Measurement cycle | 5 min-99 min 59 sec |
| Measurement method | 2-light path, 2-wavelength UV absorbance measurement method |
| Calibration method | Span calibration: Manual Zero calibration: Manual |
| Conversion function | — |
| Washing | Automatic washing with stream of washing cleaner (Continuous measurement during washing) |
| Range setting | Manual switching |
| Construction | Standalone console |
| Dimensions | 300W × 515D × 352H mm |
| Weight | Approx. 25 kg |
| Standard liquid | Potassium hydrogen phthalate aqueous solution |
| Repeatability | Within ±1% of full scale |
| Zero stability | Within ±2% of full scale/day |
| Span stability | Within ±2% of full scale/day |
| Ambient temperature variation | Within ±2% of full scale/5°C |
| Measurement value output | External output: DC4-20mA No-voltage contact: AC100V 1A, DC24V 1A |
| Error alarm indication | LED display, Closed contact output in case of error (AC125V, 1A) |
| Alarms | Maintenance Power interruption Malfunction Lamp burnt out |
| Sample conditions | 0.03-0.2 MPa 2-10 l/min (Must be ice-free) |
| Reagents/Utilities | — |
| Power | AC100V±10V 50/60Hz Approx. 100VA |
| Set up conditions | 10-40 °C during operation (Temperature gradient 10 °C /hour or less) 45%-95%RH (No condensation) |
Specifications are subject to change due to product improvements.
