Turbidity Sensor TRB-BTA - Measurement Vernier - Free user manual and instructions
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| Product Type | Turbidity Sensor |
| Model | TRB-BTA |
| Brand | Vernier |
| Measurement Principle | Nephelometric (90° scattered light) |
| Measurement Range | 0 to 200 NTU |
| Resolution | 0.1 NTU |
| Accuracy | ±2% of reading |
| Dimensions | 12.0 cm x 2.5 cm x 2.5 cm |
| Cable Length | 1.2 m |
| Weight | 100 g |
| Power Supply | Powered via interface (LabQuest, computer USB, etc.) |
| Interface | BTA (Vernier BT-plug) |
| Operating Temperature | 5°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Water Resistance | Sensor tip only, do not submerge cable connector |
| Maintenance | Clean lens with soft cloth; store dry |
| Safety | Do not use in hazardous environments; avoid electrical shock |
| Spare Parts / Repairability | Not user-repairable; contact Vernier for replacement |
| Warranty | 1 year limited warranty |
| Compatibility | Vernier LabQuest, LabPro, Go!Link, and CBL 2 |
| Included Accessories | Sensor only; interface not included |
Frequently Asked Questions - Turbidity Sensor TRB-BTA Vernier
How do I calibrate the Vernier Turbidity Sensor TRB-BTA?
Calibration is done using standard turbidity solutions. First, connect the sensor to a Vernier interface and launch the data-collection software. Place the sensor in a zero-NTU standard (distilled water) and set the reading to zero. Then use a known standard (e.g., 100 NTU) and adjust the calibration accordingly. Refer to the software instructions for detailed steps.
What is the measurement range of the TRB-BTA?
The sensor measures turbidity from 0 to 200 NTU (Nephelometric Turbidity Units).
Can the TRB-BTA be used with a computer?
Yes, it can be used with a computer via compatible Vernier interfaces such as Go!Link or LabQuest Stream. You will need data-collection software like Logger Pro or Graphical Analysis.
How should I clean the turbidity sensor?
Gently wipe the lens with a soft, lint-free cloth. If needed, use distilled water or mild detergent. Do not use abrasive materials. After cleaning, rinse with distilled water and air dry.
Is the TRB-BTA waterproof?
Only the sensor tip is water-resistant for submersion. Do not submerge the cable or connector. The sensor is designed for use in water samples but should not be fully immersed.
What should I do if the sensor reading is erratic?
Check the sensor lens for dirt or scratches. Ensure the sample is free of air bubbles. Recalibrate if necessary. Also verify that the interface connection is secure.
What units does the sensor output?
The sensor outputs turbidity in NTU (Nephelometric Turbidity Units), which is the standard unit for water clarity measurement.
Can I use this sensor with Arduino or Raspberry Pi?
The TRB-BTA uses a proprietary Vernier BT plug. Direct connection to Arduino is not possible without an interface board. However, you can use Vernier's Arduino-compatible shields or adapters.
How do I store the sensor when not in use?
Store the sensor in a dry place at room temperature. Keep the lens covered with the protective cap if provided. Avoid exposure to extreme temperatures or direct sunlight.
What is the typical response time of the sensor?
The response time is typically less than 10 seconds for 90% of the final reading, depending on mixing and sample conditions.
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