PS-3246 wireless optical dissolved oxygen/temperature sensor
The PS-3246 wireless optical dissolved-oxygen/temperature sensor is ideal for laboratory or field monitoring of dissolved oxygen (DO₂). Its redesigned, substantially smaller form expands its applicability. A 3-meter cable lets students easily measure oxygen in classroom aquariums and reaction vessels or conduct field measurements from stream and wetland banks. Overview: The wireless optical dissolved-oxygen/temperature sensor is ideal for laboratory or field monitoring of dissolved oxygen (DO₂). Retaining the circuit core of its predecessor, the PS-3224, the new design substantially reduces overall size for easier use with benchtop equipment. Its standard 12-millimeter probe tip matches most solution probes and adapters, expanding classroom use with beakers, flasks, PASCO photosynthesis tanks, or reaction chambers. The 3-meter cable also facilitates measurements in classroom aquariums, reaction vessels, and from stream or wetland banks. Output data are automatically compensated for temperature and pressure. Optical sensing provides high accuracy and fast response without stirring, filling solution, warm-up, or frequent calibration. Two acquisition modes allow remote logging in internal memory or live data streaming to a device. After hours or even days of acquisition, simply connect the sensor to download all data. Educators can investigate topics including day-night nutrient cycles, changes in metabolic processes, and seasonal water-quality variation.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Measurement Range | 0 - 20 mg/L, 0 - 200% saturation |
| Resolution | 0.01 mg/L |
| Accuracy (after calibration) [After calibration] | ±0.2 mg/L or 1%, whichever is greater |
| Accuracy (out of the box) [Out-of-box condition] | ±0.5 mg/L or 3%, whichever is greater |
| Response Time [Time to reach 90% response] | 90% response within 20 seconds |
| Measurement Parameters | Concentration (mg/L), saturation (%), oxygen (in air, qualitative) (%), temperature (°C) |
| Temperature Measurement Range | 0 - 50°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | 0.2°C |
| Operating Humidity [Non-condensing environment] | Non-condensing environment |
| Probe waterproof depth | Cable length (3 meters) |
| Bluetooth sensor-box splash resistance [Wipe dry if splashed with water] | Not submersible (wipe dry if splashed) |
| Cable length | 3 meters |
| Connection Method | USB and Bluetooth 5.2 |
| Data Logging Function | Present |
| Battery Type | Rechargeable Lithium-Polymer Battery (LiPo) |
| Stored-data-point memory (data-logging function) [Data Logging Function] | >25,000 data points |
| Battery runtime - Connected (connected to a data-acquisition device) [Connected to data acquisition equipment] | > 40 hours |
| Battery runtime - Logging mode (in data-logging mode) [In data logging mode] | 45 hours |
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Datasheet
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