AZ Instrument Corp.
Dissolved Oxygen Pen with Floating Probe
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The portable 84131 can measure the dissolved oxygen level in water with a unit of mg/l in liquid. It would be useful in a variety of applications where it is important to monitor dissolved oxygen levels in water.
Highlighted Features
- Big LCD with D.O. & Temperature display
- 100% D.O. calibration in air. The chemical is not required
- Easy replaceable thin membrane kit with high sensitivity
- Refill electrolytes quickly. Simple to maintain
- Selectable % and mg/L unit for D.O. Value
- °C/°F automatic temperature compensation built-in
- Manual salinity and barometric pressure compensation
- Environment green re-chargeable battery via type C port
- Brightness adjustable backlight for dark places
Documentation
Data SheetSpecifications
| Model | 84131 |
| DO Measuring Range | 0.0~199.9 (in %) |
| DO Accuracy | ±3% F.S (in %) |
| DO Resolution | 0.1% (in %) |
| DO Measuring Range | 0.00~20.00 (in mg/l) |
| DO Accuracy | ±0.4 (in mg/l) |
| DO Resolution | 0.01 (in mg/l) |
| Temp. Measuring Range | 0~50.0℃, 32~122°F |
| Temperature Accuracy | ±0.5℃, 0.9°F |
| Temperature Resolution | 0.1℃ |
| Manual Compensation | Included |
| Salinity Adjustable Range | 0.0~45.0 ppt |
| Salinity Resolution | 0.1 ppt |
| Barometric Pressure Adjustable Range | 500~760 mmHg/101.3~66.7 Kpa |
| Barometric Pressure Resolution | 1 mmHg/0.1 Kpa |
| Auto Temp. Compensation | 10~40.0℃ 50~104°F |
| LCD Size | 30(L) * 18 (W) mm |
| Operating Temperature | 0~40℃ |
| Operating RH% | Humidity ＜85% |
| Storage Temperature | 0~40℃ |
| Storage RH% | Humidity ＜80% |
| Sensor Response Time | ＜30 seconds for DO, <90 seconds for Temp. |
| Sensor Warmup time | ＜60 seconds after powering up |
| Sensor Life Time | >6 months (with good maintenance) |
| Meter Size | 176(L) * 39(W) * 39(H) mm |
| Weight | ~265g |
| Battery | 3.7V@500mAh re-chargeable battery |
| Power Consumption | 60 hours operation (no backlight condition) |
| Re-charging Time | 1.5 hours |
| Standard Package | Meter (with battery built-in), Dissolve Oxygen (D.O.) Probe, Electrolyte, 2PCS membrane kits, USB-type C charging cable, Manual, Carry Case |
Applications
1. Aquaculture:
Measuring dissolved oxygen value in water is critical in aquaculture operations to ensure that the fish or other aquatic organisms are getting enough oxygen to survive. It can be used to measure the oxygen levels in fish tanks, ponds, or other aquatic environments.
2. Water treatment:
Dissolved oxygen levels are important in the water treatment process, particularly in the biological treatment of wastewater. It can be used to measure oxygen levels in aeration tanks and other treatment processes.
3. Environmental monitoring:
Dissolved oxygen value is an important indicator of water quality and can be used to assess the health of aquatic ecosystems. It can be used to monitor dissolved oxygen levels in lakes, rivers, and other bodies of water.
4. Research:
Dissolved oxygen value can be an important parameter in scientific research, particularly in studies of aquatic organisms and ecosystems. It can be used by researchers to measure oxygen levels in laboratory experiments or in the field.