Image unavailable
Image unavailable
Endress+Hauser
Endress+Hauser Oxymax COS61D Optical Oxygen Sensor
Quote on request
No online payment · add lines to RFQ BOM
E+H Oxymax COS61D: optical DO; 0–20 mg/l; Memosens; −5…+60 °C; 1–10 bar abs. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Measuring range
0 to 20 mg/l; 0 to 400 hPa; 0 to 200 %SAT (20 °C / 1013 hPa reference)
Accuracy
<12 mg/l: 0.01 mg/l or ±1% of reading; 12–20 mg/l: ±2% of reading (COS61D)
Output
Digital Memosens (Liquiline CM44x/CM44xR/CM44P) or fixed-cable/SXP to Liquisys
Wetted parts
Sensor shaft stainless steel 1.4571; membrane cap POM
Protection
IP67/IP68 (per connection/approval)
Approvals
CE; Ex variants per TI
Fits optical dissolved oxygen where you need an Endress+Hauser Oxymax COS61D. Fluorescence-quenching DO sensor spanning 0–20 mg/l (0–400 hPa; 0–200 %SAT at reference conditions), accuracy to 0.01 mg/l or ±1% below 12 mg/l, Memosens digital output to Liquiline, process temperature −5 to +60 °C and pressure 1 to 10 bar abs—no flow required.
Key advantages
- Principle — Optical fluorescence quenching
- Range — 0–20 mg/l; 0–400 hPa; 0–200 %SAT
- Accuracy — 0.01 mg/l or ±1% (<12 mg/l)
- Protocol — Memosens to Liquiline
- Process — −5…+60 °C; 1–10 bar abs
Typical applications
- Aeration DO control.
- WWTP oxygen.
- Process DO without membrane flow.
Selection guide
- Cable / connector
- Holder / assembly
- Liquiline host
Common mistakes
- Exceeding 60 °C.
- Wrong holder.
- Ignoring reference conditions.
When to RFQ / what to tell us
- Cable/assembly.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 47822 |
| Brand | Endress+Hauser |
| Model | Oxymax COS61D |
| Product type | Dissolved Oxygen Sensor |
| Measuring range | 0 to 20 mg/l; 0 to 400 hPa; 0 to 200 %SAT (20 °C / 1013 hPa reference) |
| Accuracy | <12 mg/l: 0.01 mg/l or ±1% of reading; 12–20 mg/l: ±2% of reading (COS61D) |
| Output signal | Digital Memosens (Liquiline CM44x/CM44xR/CM44P) or fixed-cable/SXP to Liquisys |
| Sensor type | Optical DO via fluorescence quenching; no flow required |
| Process temperature | −5 to +60 °C (20 to 140 °F) |
| Process pressure | 1 to 10 bar abs (14.5 to 145 psi) |
Documents
FAQ
Q: Range? A: 0–20 mg/l.
Q: Flow needed? A: No flow required.
Q: What should I send for a quote? A: Cable/assembly, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | 0 to 20 mg/l; 0 to 400 hPa; 0 to 200 %SAT (20 °C / 1013 hPa reference) |
| Accuracy | <12 mg/l: 0.01 mg/l or ±1% of reading; 12–20 mg/l: ±2% of reading (COS61D) |
| Output | Digital Memosens (Liquiline CM44x/CM44xR/CM44P) or fixed-cable/SXP to Liquisys |
| Wetted parts | Sensor shaft stainless steel 1.4571; membrane cap POM |
| Protection | IP67/IP68 (per connection/approval) |
| Approvals | CE; Ex variants per TI |
| Sensor type | Optical DO via fluorescence quenching; no flow required |
| Notes | Specs from Endress+Hauser TI00387CEN (Oxymax COS61D/COS61) + product page. |
| Process Temperature | −5 to +60 °C (20 to 140 °F) |
| Process Pressure | 1 to 10 bar abs (14.5 to 145 psi) |
| Response Time | t90 ≈ 60 s (air to nitrogen, reference conditions) |