PS-4210 wireless digital-display conductivity sensor
The PS-4210 wireless conductivity sensor with digital display offers an increased measurement range and reduced error when measuring aqueous-solution conductivity. Its bright display clearly shows data points for quick spot checks. It is well suited to investigating ionic properties of solutions, including calculating total dissolved solids for water-quality studies. Temperature compensation enables calibration across different temperature ranges. The new design doubles the previous product's upper conductivity limit to 40,000µS/cm. It is readily used in chemistry, biology, and environmental studies, including brackish-water testing. Overview: The bright organic light-emitting diode (OLED) display shows data points clearly even in strong light for quick spot checks. The sensor is well suited to investigating ionic properties of solutions, including total dissolved solids (TDS), commonly used in water-quality studies. Teacher's tip: To measure pure seawater samples exceeding the range, dilute the seawater solution to half concentration, then multiply the measured sample conductivity by 2 to obtain the original sample's conductivity.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Auto Power-Off | 1 hours |
| Conductivity - Measurement range | 0 - 40,000 µS/cm |
| Conductivity - Resolution | 0.1 µS/cm |
| Conductivity - Measurement accuracy (200 - 40,000µS/cm) | ±5% of the measured value |
| Conductivity - Measurement accuracy (below 200µS/cm) [Below 200µS/cm] | ±25% |
| Total dissolved solids (TDS) - Measurement range | 0 - 30,000 ppm |
| Total dissolved solids (TDS) - Resolution | 0.1 ppm |
| Total dissolved solids (TDS) - Measurement accuracy (100 - 30,000 ppm) | ±5% of the measured value |
| Response Time [Time to reach 95% of the final reading] | Reaches 95% of the final reading within 5 seconds or less |
| Probe environmental tolerance range | 0 - 80°C |
| Temperature Compensation | 0 - 35°C |
| Temperature Accuracy | ±0.5°C |
| Probe material | Probe made of 300-series stainless steel and glass-filled polypropylene |
| Water Resistance Rating | IPX4 (splash- and light-rain-resistant, not immersible) |
| Connection Method | Bluetooth 5.2 |
| Data Logging Function | Supported |
| Battery Type | 300 mAH rechargeable lithium-ion battery |
| Battery Life | 3 years |
| Stored-data-point memory (logging mode)¹ [Refers to the Minimum Number of Data Points When All Measurement Functions Are Enabled; Actual Results Depend on the Enabled Measurement Functions.] | >35,000 |
| Battery Runtime - Connected State (Data Acquisition Mode)² [Refers to Continuous Use While Connected Until the Battery Is Exhausted; Actual Results Depend on the Sampling Rate, Activated Measurement Functions, and Battery Condition.] | >45 hours (1 week under regular laboratory use) |
| Battery runtime - Logging state (data-logging mode)³ [Refers to Recording Data Until the Battery Is Exhausted; Actual Results Depend on the Sampling Rate, Activated Measurement Functions, and Battery Condition.] | >7 days |
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