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Eutech Plastic Body pH Electrode
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Eutech Glass-body pH Combination Micro-Electrode ECFG4390401B
₹40,500.00
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Eutech Glass-body pH Combination Micro-Electrode ECFG4390401B
Detailed Product Description Product Overview:
The Eutech Model ECFG4390401B is a specialized Glass-body pH Combination Micro-Electrode designed for high-precision measurement of extremely small sample volumes. This electrode is a core component for advanced water analysis instrumentation provided by Eutech. As a combination electrode, it integrates both the pH sensing element and the reference electrode into a single compact glass shaft.
A key feature of the ECFG4390401B is its Calomel Reference system (Mercury/Mercurous Chloride), chosen for applications demanding exceptional stability and accuracy. Calomel electrodes offer superior repeatability and potential stability, delivering potentials accurate to within 0.01 millivolt at consistent temperatures. The electrode is a refillable type, supporting longer lifespan and maintenance for optimal performance.
Specialized Features and Applications:
This micro-electrode is engineered for versatility in challenging measurement scenarios:
• Micro Sample Analysis: The exceptionally thin shaft (4 mm diameter) and short length (55 mm) make it an ideal choice for testing micro samples, specifically fitting into constricted vessels such as semi-micro cuvettes or NMR tubes.
• Challenging Media: The Calomel reference system is particularly advantageous for applications involving Tris buffers, clinical testing, and analyzing biological media that contain complex substances like proteins, creams, or fats. Calomel systems are resistant to solutions that might typically react with silver-based internal elements.
• Research and Quality Control: The precision inherent in the Calomel reference makes this electrode suitable for detailed research measurements, including testing complex samples such as fruit juices, beer, milk, and yogurt.
• Refillable Design: The refillable reference cell design ensures high accuracy, greater stability, and a longer overall electrode life, allowing the reference electrolyte (filling solution) to be replenished as needed.
Electrode Technology:
The ECFG4390401B employs the standard glass-electrode method for pH measurement, where the difference in pH between the solution inside the thin glass membrane (usually pH 7) and the sample outside creates an electromotive force proportional to the pH difference. The highly stable Calomel reference electrode provides the necessary stable potential required for reliable combination pH measurement. The probe features a Single Junction with an Annular Liquid Junction type.
Technical Specifications:
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Characteristic
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Detail
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Model/SKU
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ECFG4390401B
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Product Name
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pH Combination Micro-Electrode
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Body Material
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Glass
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Reference Type
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Calomel, Refillable
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Junction Type
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Single Junction, Annular
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Dimensions (L x Dia.)
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55 mm x 4 mm
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pH Measuring Range
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0 to 13 pH
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Temperature Range
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-5 to 80 °C
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Connector Type
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BNC connector
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Cable Length
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1m (standard)
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Included Accessories
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Filling solution and pipet (typically 10mL refilling electrolyte)
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Ideal Applications
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Micro samples, Semi-micro cuvettes, NMR tubes, Clinical/Biological Media, Tris buffers, Research measurements
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