COLO.Science · Spectroscopy & Color · UV/Vis spectrophotometers
NOVEL-900 UV/Vis double beam spectrophotometer — 190–1100 nm, selectable bandwidth 0.5–5 nm
The NOVEL-900 UV/Vis double beam spectrophotometer is a proportional double-beam scanning instrument for quality control, pharmaceutical and clinical laboratories and research. A Czerny-Turner monochromator with a 1600 lines/mm grating gives five selectable spectral bandwidths — 0.5, 1, 2, 4 and 5 nm — with stray light of ≤0.01 %T at 360 nm. Photometric, quantitative, scanning, kinetics and DNA/protein methods run on the 10.1″ touch screen. Product code PRO3159.
One double-beam instrument for narrow-band resolution work and routine UV/Vis measurement
In a proportional double-beam system the light is split between the sample and a reference path, so lamp drift and electronic fluctuation are compensated as the measurement runs. The NOVEL-900 UV/Vis double beam spectrophotometer combines this with a selectable slit: 0.5 or 1 nm when fine spectral structure or a resolution check matters, 2 nm for routine methods, and 4 or 5 nm when the sample lets little light through.
Key characteristics
- Proportional double beam, Czerny-Turner monochromator, 200 mm focal length, 1600 lines/mm grating.
- Wavelength range 190–1100 nm, accuracy <0.3 nm, repeatability <0.1 nm, resolution <1 nm.
- Spectral bandwidth 0.5 / 1 / 2 / 4 / 5 nm, selected on the instrument.
- Stray light ≤0.01 %T at 360 nm (NaNO2); photometric range 0–200 %T, ±3 A.
- Stability ≤±0.0003 A/h at 500 nm; baseline flatness ±0.001 A; noise ±0.0005 A.
- 10.1″ capacitive touch screen, USB / RS232, optional Wi-Fi UV lamp control and tablet control.
Suitable for
- Quality-control laboratories with daily absorbance and transmittance measurement.
- Pharmaceutical and health laboratories that check resolution and stray light at narrow bandwidth.
- Biochemistry and life-science research: scanning, kinetics, DNA/protein and multi-wavelength methods.
- Environmental monitoring, commodity inspection and petrochemical laboratories.
- Laboratories that want one NOVEL-900 UV/Vis double beam spectrophotometer for both method development and routine work.
Why a variable-bandwidth double beam spectrophotometer
Most UV/Vis methods are written for a 1 or 2 nm bandwidth, but not all of them. Pharmacopoeia-type resolution checks and samples with sharp absorption bands need a narrower slit; strongly absorbing or scattering samples need a wider one to keep enough light on the detector. A fixed-bandwidth instrument covers one of these cases. The NOVEL-900 UV/Vis double beam spectrophotometer covers all of them with one optical bench, and the double-beam layout keeps the baseline stable while the slit changes.
The 1600 lines/mm grating and the 200 mm Czerny-Turner monochromator are what keep stray light at ≤0.01 %T. That figure decides how far the absorbance scale stays linear, so high-absorbance samples are read with less dilution.
Model, product code and accessories
The NOVEL-900 UV/Vis double beam spectrophotometer is supplied with a 1 cm cuvette holder fitted and a set of quartz and glass cuvettes. Cell holders, temperature control and sampling accessories are chosen for the method and quoted with the instrument. Quote and order with the COLO product code.
Double beam UV/Vis scanning spectrophotometer, 190–1100 nm, spectral bandwidth 0.5 / 1 / 2 / 4 / 5 nm, 10.1″ touch screen, 1 cm cuvette holder fitted.
Optional accessories
Automatic 8-cell holderMotorised changer for unattended sequential measurement of up to 8 samples.
Manual 4-cell holder, up to 100 mmLong-path cells for low-concentration samples.
Single-hole cell holder, 10 mmStandard single-position holder for 1 cm cuvettes.
Adjustable XY micro cell holderPrecise alignment of micro and semi-micro cells for small volumes.
Peltier / sipper systemThermostatted cuvette and automatic aspiration into a quartz flow cell.
Integrating sphereScattering, turbid and solid samples; reflectance measurement.
Manual 4-position film holderSequential measurement of films, foils and filters.
Single-hole film holderSingle film, foil or plate-shaped solid sample.
Test-tube rackDirect measurement in round test tubes.
State the model NOVEL-900 when asking for accessories, so that the cell holder and sample chamber are confirmed for the instrument. The professional PC spectroscopy software, Wi-Fi UV lamp control and the 10.1″ control tablet are further options.
NOVEL-900 UV/Vis double beam spectrophotometer — technical specifications
Optical and photometric performance
| Optical system | Proportional double beam, grating 1600 lines/mm |
| Monochromator | Czerny-Turner, focal length 200 mm |
| Wavelength range | 190–1100 nm |
| Spectral bandwidth | 0.5 / 1 / 2 / 4 / 5 nm, selectable |
| Wavelength resolution | <1 nm |
| Wavelength accuracy | <0.3 nm |
| Wavelength repeatability | <0.1 nm |
| Photometric accuracy | <0.2 %T (0–100 %T); ±0.002 A (0–0.5 A); ±0.004 A (0.5–1 A) |
| Photometric repeatability | <0.1 %T (0–100 %T); 0.001 A (0–0.5 A); 0.002 A (0.5–1 A) |
| Photometric range | 0–200 %T, ±3 A |
| Stray light | ≤0.01 %T at 360 nm (NaNO2) |
| Stability | ≤±0.0003 A/h at 500 nm |
| Baseline flatness | ±0.001 A |
| Baseline straightness | ≤±0.0008 A (200–1090 nm) |
| Baseline drift | 0.0003 A/h at 250 and 500 nm, after 2 h warm-up |
| Noise | ±0.0005 A at 500 nm |
Display, control and general data
| Measuring modes | T, A, C, E |
| Methods | Photometric, quantitative, spectral scanning, kinetics, DNA/protein |
| Data processing | Multi-wavelength (1–3 λ), 1st–3rd order curve fitting, 1st–4th order derivative spectra |
| Wavelength setting / scan speed | Automatic; fast / medium / slow, 1 nm increments |
| Light source | Pre-aligned D2 lamp and 12–20 V tungsten-halogen lamp, automatic switchover |
| Display | 10.1″ TFT colour capacitive touch screen, built-in help menu |
| Cuvette holder | 1 cm (standard); micro to 100 mm, 4 or 8 positions (option) |
| Data output | USB / RS232 |
| Power supply | AC 220 V ±22 V, 50 Hz ±1 Hz, 200 W |
| Instrument size (W×D×H) | 590 × 475 × 250 mm |
| Packing size / gross weight | 740 × 630 × 450 mm / 35 kg |
| Product code | PRO3159 |
Operating functions
Measurement and methods
The NOVEL-900 UV/Vis double beam spectrophotometer measures in T, A, C and E and runs photometric, quantitative, spectral scanning, kinetics and DNA/protein methods directly on the touch screen. Multi-wavelength determination uses one to three wavelengths per sample.
Spectra and evaluation
Scans run at fast, medium or slow speed in 1 nm increments. Calibration curves are fitted to the 1st, 2nd or 3rd order, and derivative spectra are calculated up to the 4th order. Spectra and analysis data can be printed.
Control, data and wireless options
The 10.1″ touch screen shows the curve, the parameters and the imported data, with a help menu and shortcuts to the main settings. Data leave the instrument over USB or RS232. As options, the deuterium lamp can be switched on and off from an Android device to extend its life, and an additional 10.1″ tablet gives wireless control, storage of large data sets and wireless data transfer.
Build, power supply and safe operation
The deuterium (D2) and tungsten-halogen lamps are pre-aligned and switch over automatically; the instrument searches for the best lamp position itself, so a lamp change does not need optical adjustment. After a 2 h warm-up the baseline drift is 0.0003 A/h at 250 and 500 nm.
The NOVEL-900 UV/Vis double beam spectrophotometer runs on AC 220 V ±22 V, 50 Hz ±1 Hz, 200 W, and must be connected to a grounded outlet. It measures 590 × 475 × 250 mm; the shipping carton is 740 × 630 × 450 mm with a gross weight of 35 kg.
Standard delivery
- NOVEL-900 UV/Vis double beam spectrophotometer with 1 cm cuvette holder fitted.
- 2 quartz cuvettes, 1 cm optical path — UV region.
- 4 glass cuvettes, 1 cm optical path — visible region.
- Power cable with Euro plug.
- Instruction manual.
The professional PC spectroscopy software is an option. Instrument calibration and a service or calibration certificate are quoted separately. The delivered configuration for a specific order is the one confirmed in the COLO.Science quotation.
Knowledge base
Spectroscopy & Color on COLO.Science — methods, applications and practical notes.
Applications and operational value
The NOVEL-900 UV/Vis double beam spectrophotometer is used wherever one instrument has to serve several kinds of UV/Vis work:
- Quality control — absorbance and transmittance checks, concentration by calibration curve, routine verification.
- Pharmaceutical and health laboratories — drug inspection, resolution checks at 0.5–1 nm, documented results.
- Biochemistry and research — scanning, kinetics, DNA/protein, multi-wavelength and derivative methods.
- Environmental and industrial laboratories — environmental monitoring, commodity inspection, petrochemical analysis.
The value is in the combination: narrow bandwidth for method development, wide bandwidth for difficult samples, and a double-beam baseline that holds over long kinetic runs and scanning series.
Selection guide
- Is a fixed bandwidth enough? For routine methods at 1 or 2 nm, the LEGEND series covers single- and double-beam work at a lower cost.
- Variable bandwidth with the lowest stray light? The NOVEL-900 UV/Vis double beam spectrophotometer, with ≤0.01 %T and a 1600 lines/mm grating.
- No warm-up time? Xenon-lamp instruments start measuring immediately — see the XENON models.
- Many samples in sequence? Add the automatic 8-cell holder or the Peltier / sipper system with flow cell.
- PC evaluation and reports? Add the professional PC spectroscopy software.
Configuration notice
This page is provided for orientation and product selection. It does not replace the binding specification, the delivered configuration, the validation protocol or the acceptance criteria confirmed in the official COLO.Science quotation, proforma invoice or order confirmation. Confirm the accessories, the software option and any calibration or certification requirement of the NOVEL-900 UV/Vis double beam spectrophotometer for the specific order. B2B prices are quoted net, excluding VAT.
Sales and support for international customers
COLO Lab ExpertsPolje ob Sotli 4, SI-3255 Buče, Slovenia
Phone: +386 70 713 437 · Email: sales@colo.si · Web: colo.si
We supply laboratories across Europe directly and through partners. B2B prices are quoted net, excluding VAT.
