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Digital Conductivity Meter (DDS 421)
Product Brochure
| Minimum Order Quantity | 1 Piece |
| Material | ABS |
| Measurement Range | Conductivity: 0.00 uS/cm - 100 mS/cm (depending on model & cell constant) |
| Resolution | 0.01 uS/cm - 0.1 mS/cm (auto-adjustable with range) |
| Accuracy | +- 1.0-1.5% F.S. (Full Scale) |
| Temperature Compensation | Range: 0 - 50 DegreeC |
A Digital Conductivity Meter is a precision instrument designed for fast and accurate measurement of the electrical conductivity of aqueous solutions. It is widely used in laboratories, industries, and water quality testing applications to determine the purity or salinity of water by measuring dissolved ions.
Key Features:
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Measurement Range: 0.00 μS/cm – 100 mS/cm (varies by model)
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High accuracy and stability for reliable results
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Large digital display for easy reading
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Supports multiple cell constants (0.1, 1.0, 10 cm⁻¹) for different applications
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Manual or automatic temperature compensation (depending on model)
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Simple calibration with standard conductivity solutions
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Compact and durable design suitable for routine use
Applications:
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Drinking water and purified water testing
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Wastewater and industrial effluents
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Food & beverage quality control
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Pharmaceutical and chemical industries
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Educational and research laboratories
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Environmental monitoring
761 Compact Ion Chromatography (Refurbished)
Minimum Order Quantity: 1 Piece
| Material | Plastic |
| Flow Range | 0.2 – 2.5 mL/min |
| Maximum Pressure | 25 MPa (≈ 250 bar) |
| Detector | Conductivity detector with 50 / 250 / 1000 µS/cm ranges |
| Power Supply | 100–240 V AC, 50–60 Hz (~100 VA) |
| Operating Temperature | +5 °C to +45 °C |
| Dimensions (W×D×H) | 259 × 446 × 355 mm |
| Weight: Approx. | 13–15 kg |
| Interface | RS-232 PC connection |
The Metrohm 761 Compact IC combines the pump, injection valve, column compartment, detector, and (in the suppressor version) the Metrohm Suppressor Module (MSM) in one compact housing.
It is ideal for laboratories performing routine water analysis, environmental testing, pharmaceutical quality control, and food & beverage analysis.
Its metal-free flow path ensures contamination-free operation, while the high-stability conductivity detector guarantees accurate and reproducible results.
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Flow Range: 0.2 – 2.5 mL/min
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Maximum Pressure: 25 MPa (≈ 250 bar)
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Detector: Conductivity detector with 50 / 250 / 1000 µS/cm ranges
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Power Supply: 100–240 V AC, 50–60 Hz (~100 VA)
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Operating Temperature: +5 °C to +45 °C
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Dimensions (W×D×H): 259 × 446 × 355 mm
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Weight: Approx. 13–15 kg
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Interface: RS-232 PC connection
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Versions:
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2.761.0010 – without suppressor
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2.761.0020 – with integrated suppressor and peristaltic pump
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Additional Information:
- Delivery Time: 1-2 week
- Packaging Details: packing charges extra on actual basis
Refurbished Perkin Elmer FTIR spectrum II
| Minimum Order Quantity | 1 unit |
| Spectral (wavenumber) range | 8,300 – 350 cm⁻¹ (with standard KBr beamsplitter) |
| Spectral resolution | 0.5 cm⁻¹ (standard) |
| Wavelength/wavenumber precision | Better than 0.01 cm⁻¹ at ~3,000 cm⁻¹ |
| Wavelength/wavenumber accuracy | ± 0.1 cm⁻¹ at ~3,000 cm⁻¹ |
| Interface / data system | USB, wireless and TCP/IP connectivity; software includes typical processing |
| Power supply | Universal voltage AC (120/240 V) power supply; optional battery/portable pack availabl |
| Confirm that any optional upgrades | (e.g., DTGS detector, humid environment ZnSe windows) are clearly |
| Software | “Spectrum 10” software platform that includes instrument control, data manipulation & repo |
| Validation features | Option for software-controlled validation wheel (polystyrene reference + Schott |
| Dimensions (W × D × H) | Approx 450 mm × 300 mm × 210 mm |
| Weight | Approx 13 kg |
The Refurbished PerkinElmer FTIR Spectrum II is a high-performance Fourier Transform Infrared (FT-IR) spectrometer designed for reliable, accurate, and versatile material analysis. Engineered with advanced optical technology, it delivers exceptional spectral quality, stability, and ease of use — making it ideal for both routine laboratory testing and advanced research applications.
Each refurbished unit is thoroughly inspected, calibrated, and tested to ensure performance comparable to a new system. With its compact benchtop design, robust optics, and user-friendly software interface, the Spectrum II provides superior results for polymers, plastics, pharmaceuticals, chemicals, environmental samples, and food materials.
Our refurbished instruments undergo complete functional restoration, including alignment verification, optics cleaning, source replacement (if needed), and full system validation to meet original manufacturer specifications.
Additional Information:
- Delivery Time: 1-2 week
- Packaging Details: Packing charges extra on actual basis