Description
Hach Dissolved Oxygen Cap Model 9021100 Sensor Probe
Reliable and accurate dissolved oxygen measurement with durable sensor cap for Hach probes.
| Brand | Hach |
| Model | 9021100 |
| Voltage | Not specified |
| Country of Origin | United States |
| Weight | 0.1 kg (approx.) |
| Dimensions | 5 cm diameter x 2 cm height |
| Warranty | 1 year limited warranty |
| Certifications | CE, RoHS |
| SKU / MPN | 9021100 |
| What’s in the box | 1 x Dissolved Oxygen Cap Model 9021100 |
| Compatibility | Compatible with Hach LDO sensors and probes |
| Material | Durable polymer and membrane |
| Operating Temperature | 0 to 50 °C |
| Measurement Range | 0 to 20 mg/L dissolved oxygen |
| Response Time | Less than 60 seconds |
| Maintenance | Replace membrane cap as needed |
| Calibration | Factory calibrated |
Key benefits: Provides accurate and stable dissolved oxygen readings with easy installation and maintenance; designed for long-term use in laboratory and field environments.
Typical applications: Water quality monitoring, wastewater treatment, environmental research, aquaculture, and industrial process control.
Order number: Hach Dissolved Oxygen Cap Model 9021100 Sensor Probe
Lifecycle: Active product
Documentation: User manual and datasheet available on Hach website





Patricia E. –
Good quality sensor, accurate readings. Will order more for our production line.