Ultra-Low Turbidity Sensors
- Products Details
- Specifications
- Cleaning & Calibration
- Drinking Water Solutions
Pyxis ST-73x Ultra-Low Series
The LT-73X Series are proprietary inline turbidity sensors offered in a variety of ranges from 0.001 to 1,000 NTU with ultra-low resolution. Sensor format details are provided in the specification table of this document with options meeting ISO-7027 and EPA-180.1 compliance guidelines. Each of the LT-73X series sensors offer a unique flat surface distal end in a quartz glass plate, allowing for extended cleanliness and easy maintenance and prevention of air bubble interference.
These sensors are designed for optimal accuracy and performance in a wide range of turbidity water samples using 90o surface scatter configuration, offered in two flow assembly installation formats (FR-100 Flow Reservoir or FT-100 Inline Tee), making them highly versatile for a wide variety of drinking or industrial water applications.
All LT-73X series sensors are offered in Warm White Light (LED) or InfraRed LED (860nm). They are powered by a 24 VDC/2W power supply and offer both 4-20 mA and RS-485 Modbus output signals. When clean, the unique Pyxis sensor design offers a calibration stability of <0.02NTU for up to 1-year of operation with no need for calibration. Additionally, these sensors can be wirelessly accessed via Bluetooth for Diagnostics, Cleaning & Calibration when using the uPyxis APP for mobile or desktop devices and the MA-CR Bluetooth Adapter.
LT-73X Series – Cleaning and Calibration
The LT-73X Series ultra-low turbidity sensors are uniquely designed and highly stable. Simple maintenance cleaning of the sensors on a regular and consistent basis should enable use without the need for calibration. When clean, Pyxis Lab guarantees a calibration stability of <0.02NTU drift per year. For most water applications when used with FR-100 (Flow Reservoir) or FT-100 (In-Line Tee), the LT-73X Series can maintain accuracy and precision without cleaning for the period of one month. Cleaning and calibration frequencies are application dependent on the contaminant level of suspended solids, iron, manganese, oil, and bacteria.
When calibration is required, the LT-73X Series can be wirelessly diagnosed, cleaned and calibrated using the MA-CR or PowerPACK Series Bluetooth adapters and uPyxis APP for Mobile or Desktop using the Pyxis LT-SOLID-CAL Solid State Turbidity Calibration Kit series. These reusable calibration kits are offered specifically for each sensor range and allow for rapid Zero, Mid and High Range Slope calibration of the sensor without the need for liquid calibration standards. Users may also use the empty/pre-cleaned reservoir or in-line tee as the Zero calibration and an approved Formazin turbidity calibration standard for the known Slope calibration. Both solid state and liquid calibrations guarantee a 0.01NTU resolution. For a 0.001 NTU resolution guarantee, the sensor and its reservoir or inline-Tee will require factory calibration.
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