HACH Electrode: E21M003, BNC
The HACH Electrode, model E21M003, is a glass electrode with a BNC connection, designed for use with meters that have a BNC connection. This electrode is categorized under Radiometer Electrodes, Probes & Sensors and…
SKU 3G-OTH-369029
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Product Description
The HACH Electrode, model E21M003, is a glass electrode with a BNC connection, designed for use with meters that have a BNC connection. This electrode is categorized under Radiometer Electrodes, Probes & Sensors and is identified by manufacturer part number E21M003.
Frequently Asked Questions
What is the HACH E21M003 electrode used for?
The HACH E21M003 is a glass electrode with a BNC connection, used for measuring pH or other ion activity in water and wastewater applications. It is designed for meters that accept a BNC input, making it suitable for laboratory and field testing in industrial and environmental monitoring.
What are the specifications of the HACH E21M003 electrode?
The HACH E21M003 electrode has a glass body and a BNC connection type. It is classified as an electrode under Radiometer Electrodes, Probes & Sensors. The manufacturer part number is E21M003. It is intended for use with meters that feature a BNC input.
Where to buy the HACH E21M003 electrode worldwide?
3G Electric supplies the HACH E21M003 electrode to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine HACH electrode for your application.
How to install the HACH E21M003 electrode?
To install the HACH E21M003 electrode, connect the BNC plug securely to your meter's BNC input. Rinse the glass bulb with deionized water before first use. Avoid touching the glass membrane. Store the electrode in a storage solution when not in use to maintain performance.
Used in
Common applications for HACHHACH Products
3G Electric supplies HACH radiometer electrodes, probes & sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













