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Pre-order, Ships within 8-9 Weeks
₹17,300
GST and Shipping charges are extra
The HI4430B is a PEI body, single junction ORP electrode with a BNC connector. This electrode has a single ceramic junction in the outer reference cell and the ORP sensing pin is made with gold. This design consideration is ideal for ORP measurements of ozone and applications with other oxidants.
Pre-order, Ships within 8-9 Weeks
Hanna Instruments offers a wide variety of ORP electrodes that are designed for many different applications. The type of material used for the sensing pin, type of glass used for body material, type of junction, type of reference and electrolyte used are just some of the design considerations.
The HI4430B uses a gold pin, PEI body, single ceramic junction and gel electrolyte.
The HI4430B ORP sensor is made with gold. An ORP sensor must be chemically inert; it cannot be oxidized or reduced itself. It must also have the proper surface characteristics to promote rapid electron exchange, a property known as high exchange current density. Two noble metals have proven to work well for this purpose: platinum and gold. Pure platinum and pure gold are both used in the construction of ORP sensors. The gold sensor signal is carried through the electrode body, and together with the reference signal is conducted to the measurement meter.
The body of the HI4430B is composed of polyetherimide (PEI) resin. The PEI body is suitable for a wide range of applications and excels in field measurements due to its durability. The shielding around the spherical glass tip minimizes breakage due to accidental bumping or dropping of the electrode. The PEI plastic is a high quality plastic that is chemically resistant to many aggressive chemicals.
The outer junction of an electrode, also known as a salt bridge, is necessary component of the electrical circuit. The movement of ions must flow through the junction for a steady reading. The outer reference has a single ceramic frit. The ceramic is a porous material that is easily fused with the glass body and has a similar expansion coefficient. A single ceramic junction has a flow rate of 15-20 μL/hour. Other junction types are available with higher flow rates and made with different materials.
The HI4430B uses a BNC connector. This type of connector is universal in that it can be used on any pH meter that has the female BNC probe input. Other type of connectors include DIN, screw type, T-type, and 3.5mm to name a few. These types of connectors tend to be proprietary for a particular type of meter and are not interchangeable.
| SKU | HI4430B |
| Name | Gel Filled ORP Electrode with Gold Contact and BNC Connector – HI4430B |
| Measurement Range | ORP: ±2000 mV |
| Reference Cell Type | single, Ag/AgCl |
| Junction Type/Flow Rate | ceramic, single |
| Type of Electrolyte | gel |
| Body Material | PEI |
| Tip / Shape | gold pin |
| Matching Pin | no |
| Max. Pressure | 2 bar |
| Temperature Operating Range | -5 to 70°C (23 to 158°F) |
| Body Length/Overall Length | 120 mm / 163.5 mm |
| Temperature Sensor | no |
| Outer Diameter | 12 mm |
| Cable | coaxial; 1 m (3.3’) |
| Connector Type | BNC |
| Amplifier | no |
| Recommended Use | oxidants, ozone |
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To empower customers to achieve quality
by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
To empower customers to achieve quality by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
To empower customers to achieve quality by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
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