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ORP Electrode with Gold Contacts and BNC Port HI4430B

Producer: HANNA Instruments

SKU: HANNA-HI4430B Category: Hanna experimental measuring equipment

The H4430B is a PEI body, single junction ORP electrode with a BNC connector. This electrode has a single ceramic junction in the external reference cell and the ORP sensor pin is made of gold.

Durable PEI body

Gel electrolysis

Gold sensor pins

HI4430B uses gold sensing pins, PEI body, single ceramic junction and gel electrolyte

Gold sensor pins

The HI4430B ORP sensor pin is made of gold. An ORP sensor must be chemically inert so that it does not oxidize itself. It must also have the appropriate surface characteristics to promote rapid electron exchange. Two noble metals have proven to work well for this purpose: pure platinum and pure gold are both used in the design of ORP sensors. The gold sensor signal passes through the electrode body, along with the reference signal that is conducted for measurement.

Close P.E.I

The body of the HI4430B is composed of polyetherimide (PEI) plastic. The PEI body is suitable for a wide range of applications and excels in field measurements due to its high durability. A protective ring around the spherical glass tip helps to minimize breakage due to impact or drops. PEI plastic is a high quality plastic that is resistant to many harsh chemicals.

Single ceramic joint

The junction, also known as a salt bridge, is an essential component of the circuit. The movement of ions must flow through the junction for a stable value. The external reference has a single ceramic frit. The ceramic is a porous material that can be easily fused to the glass body and has a similar expansion coefficient. A single ceramic junction has a flow rate of 15-20 µl/hour. Other types of junctions are available with higher flow rates and made of different materials.

Connect BNC

The HI4430B uses a BNC connector. This type of connector is universal and can be used on any pH meter that has a female BNC probe input. Hanna also offers other types of connectors such as BNC, screw type, T-type, and 3.5mm. Each meter typically has a unique connector and cannot be interchanged.

SPECIFICATIONS

Body material	P.E.I
Reference	single, Ag/AgCl
Splice/Line Speed	ceramic, single / 15-20 μL/h
Electrolysis	gel
The scale	ORP: ±2000 mV
Maximum pressure	2 bars
Electrode tip	Gold needle tip
Diameter	12mm
Body length/total	120mm / 163.5mm
Operating temperature	-5 to 70°C (23 to 158°F)
Temperature sensor	Are not
Matching Pin	Are not
Amplification	Are not
Digital	Are not
Compatible machines	Use with any machine with a BNC connection
Cable	coaxial; 1m (3.3')
Connect	BNC
Guarantee	06 months
Application	Oxidizer, ozone