
| Product type | Membrane caps |
|---|---|
| Compatible with | DO500 |
| Manufacturer | Apera Instruments |
| MPN | AI4113 |
| Item number | AI4113 |
The Apera Instruments DO503 is a replacement membrane cap set designed specifically for use with the DO500 polarographic dissolved oxygen electrode.
These easy-to-replace caps ensure your DO500 sensor maintains optimal performance and accuracy during dissolved oxygen measurements in laboratories, aquaculture, environmental monitoring, and other applications.
Key Features
- Compatible with DO500 Electrode – Specifically designed for a perfect fit
- Reliable Replacement – Maintains sensor performance and accuracy
- Simple Installation – Quick and easy to replace when needed
- Durable Material – Ensures consistent and long-lasting measurements
Package Includes
- 3 x DO503 Membrane Caps
Product documents
Technical datasheet — DO503 Membrane caps for DO500 electrodeSign in to download
Documents are available to registered customers. Sign in or create a free account — it takes a minute.
Shipping & safety
Standard courier shipping. International orders include commercial invoice and HS-code documentation.
Browse more:Apera Instruments Lab SupplyAll Apera Instruments productsAll Lab Supply



