Description
WTW Ammonia Nitrogen Electrode Membrane Model 821212
High-performance replacement membrane for accurate and stable ammonia nitrogen measurement in water and wastewater analysis.
| Brand | WTW |
| Model | 821212 |
| Voltage | Not specified |
| Country of Origin | Germany |
| Weight | 0.01 kg |
| Dimensions | 30 mm diameter x 5 mm thickness |
| Warranty | 1 year |
| Certifications | WTW quality standard |
| SKU / MPN | 821212 |
| What’s in the box | Ammonia nitrogen electrode membrane (1 piece) |
| Membrane Material | PTFE-based gas permeable membrane |
| Detection Range | 0.05 to 1000 mg/L NH4-N |
| Response Time | <2 minutes (90% of final value) |
| Compatible Electrode | WTW NH500/5000 series ammonia electrodes |
| Storage Conditions | Dry, 5-30°C |
| Shelf Life | 2 years |
Key benefits: Easy replacement, long service life, high sensitivity, minimizes maintenance downtime.
Typical applications: Water quality monitoring, wastewater treatment, environmental analysis, laboratory testing.
Order number: WTW Ammonia Nitrogen Electrode Membrane Model 821212
Lifecycle: Active
Documentation: Product specification sheet, replacement instructions available from WTW.
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Steven R. –
Arrived in perfect condition. Ran diagnostics, all outputs nominal.