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| Brand | Hach |
|---|---|
| Origin | USA |
| Model | DR890 |
| Wavelength Range | 420, 520, 560, 610 nm |
| Wavelength Accuracy | ±1 nm |
| Photometric Range | 0–2 A |
| Measurement Modes | % Transmittance, Absorbance, Concentration |
| Data Storage Capacity | 99 samples |
| Power Supply | 4 × AA alkaline batteries |
| Weight | 470 g |
| Operating Environment | 0–50 °C, ≤90% RH (non-condensing) |
| Connectivity | IR interface (with optional RS232 adapter) |
| Compliance | Designed for field-deployable compliance with ASTM D1293, D3370, D511, D3223, USP <643>, ISO 7027, ISO 8467, and EPA-approved colorimetric methods |
| Brand | Millipore |
|---|---|
| Origin | Germany |
| Model | Pharo 100 |
| Wavelength Range | 320–1100 nm |
| Light Source | Tungsten Halogen Lamp |
| Optical System | Stabilized Single-Beam |
| Spectral Bandwidth | 4 nm |
| Wavelength Resolution | 1 nm |
| Wavelength Accuracy | ±1 nm |
| Absorbance Range | ±3.3 A |
| Absorbance Resolution | 0.001 A |
| Absorbance Accuracy | ±0.003 A (A < 0.600) |
| Cuvette Compatibility | 16 mm round, 10/20/50 mm square (auto-recognized) |
| Scan Increment | 1 nm |
| Data Storage | 1000 measurement results + 4 MB for spectral/dynamic data |
| Interfaces | 1× USB-A, 1× USB-B, 1× RS-232 |
| IP Rating | IP31 |
| Operating Temperature | +10 °C to +35 °C |
| Dimensions | 404 × 197 × 314 mm (L×H×W) |
| Weight | ~3.7 kg |
| Brand | Merck |
|---|---|
| Origin | Germany |
| Model | NOVA60 / NOVA60A |
| Instrument Type | Benchtop & Field-Portable Photometric Water Analyzer |
| Wavelength Range | 12 fixed wavelengths (340, 410, 445, 500, 525, 550, 565, 605, 620, 665, 690, 820 nm) |
| Wavelength Accuracy | ±2 nm |
| Spectral Bandwidth | 10 nm |
| Absorbance Repeatability | ±0.001 A at 1.000 A |
| Absorbance Range | –0.300 to 3.200 A |
| Cell Compatibility | 10/20/50 mm square cuvettes and 16 mm round cells with automatic recognition |
| Barcode Method Recognition | Yes |
| Light Source | Tungsten halogen lamp (no warm-up required) |
| Measurement Time | ~2 seconds per test |
| Data Storage | Up to 1,000 results |
| User-Defined Methods | Up to 50 calibration curves |
| Power Supply | 220 V, 50 Hz (NOVA60) |
| Operating Temperature | +5 °C to +40 °C |
| Storage Temperature | –25 °C to +65 °C |
| Dimensions (H × D × W) | 140 × 270 × 260 mm |
| Weight | 2.3 kg |
| Brand | Millipore |
|---|---|
| Origin | Germany |
| Model | Pharo 300 |
| Wavelength Range | 190–1100 nm |
| Light Source | Xenon flashlamp |
| Optical System | Stabilized single-beam |
| Spectral Bandwidth | 4 nm |
| Wavelength Resolution | 1 nm |
| Wavelength Accuracy | ±1 nm |
| Absorbance Range | ±3.3 A |
| Absorbance Resolution | 0.001 A |
| Absorbance Accuracy | ±0.003 A (A < 0.600 A) |
| Scan Increment | 1 nm |
| Cuvette Types | 16 mm round |
| Barcode Recognition | Full support for Spectroquant® pre-filled tubes and reagent sets |
| AQA Levels | AQA 1 (wavelength verification), AQA 2 (system performance verification), AQA 3 (matrix interference screening) |
| Data Storage | 1000 measurement results |
| Interfaces | 1× USB-A, 1× USB-B, 1× RS-232 |
| Display | Backlit graphical LCD |
| Languages | English, German, Spanish, French, Italian, Simplified Chinese |
| IP Rating | IP31 |
| Operating Temperature | +10 °C to +35 °C |
| Dimensions | 404 × 197 × 314 mm (L × H × W) |
| Weight | ~3.7 kg (without battery) |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | DR2800 |
| Instrument Type | Laboratory & Field Water Quality Analyzer |
| Wavelength Range | 340–900 nm |
| Bandwidth | 5 nm |
| Optical Detection Principle | Absorbance-based Photometric Analysis |
| Readout Modes | Transmittance (%T), Absorbance (A), Concentration (mg/L, ppm, etc.) |
| Wavelength Selection | Automatic (method-driven) |
| Wavelength Calibration | Auto-calibrating via internal reference |
| Data Storage Capacity | 500 test records (including date, time, sample ID, operator code, result) |
| Power Options | Rechargeable Li-ion battery or universal AC adapter (100–240 V, 47–63 Hz) |
| Operating Environment | 10–40 °C, ≤90% RH (non-condensing) |
| Weight | 4.06 kg (instrument only), 4.38 kg (with battery) |
| Interface | USB 1.1 |
| Display | Touchscreen LCD with Chinese/English language support |
| Sample Adapters Included | A-type (1-cm square cuvettes), B-type (multi-path/flow-through cells), C-type (1-inch round vials & ampoules) |
| Preprogrammed Methods | >240 Hach-certified colorimetric water quality methods |
| Barcode Recognition | Yes (compatible with Hach TNTplus® pre-filled reagent vials) |
| Brand | MyronL |
|---|---|
| Origin | USA |
| Model | Ultrameter III 9P |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Conductivity Range | 0–9999 µS/cm & 10–200 mS/cm |
| TDS Accuracy | ±1% |
| Resistivity Range | 10 kΩ·cm – 30 MΩ·cm |
| pH Range | 0–14, ±0.01 |
| ORP Range | ±999 mV, ±1 mV |
| Free Chlorine | 0.00–10.00 ppm (pH 5–9), ±2.5% |
| Hardness | 0–1710 ppm (CaCO₃) or 1–100 grains/gal |
| Alkalinity | 10–800 ppm (as CaCO₃) |
| LSI Range | −10 to +10 |
| Temperature | 0–71 °C (32–160 °F), ±0.1 °C |
| Data Storage | Up to 100 test records with timestamp |
| Wireless Connectivity | via bluDock™ accessory |
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