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Rhodamine WT Sensor

Hydrolab provides the most accurate Rhodamine WT sensor available on a multiprobe.


Ultra-compact size designed specifically for integration into the Hydrolab DS5X, DS5, and MS5
Available with solid Secondary Standards to provide a quick and simple method to verify the sensor’s stability over time
The Secondary Standard can be adjusted to correlate to a known dye concentration
Three auto-selected gain ranges provide measurements from 0.04 to 1000 ppb


Provides the most accurate measurement of Rhodamine WT because of electronic filtration of ambient light, efficient optical coupling, and quality optical components
Incredibly fast response time through electronic filtration of ambient light
Excellent turbidity rejection due to small sample volume design and high quality optical filter
Cost-optimized for affordability and value


Technical Specifications

Minimum Detection Limit:
0.04 ppb
Dynamic Range:
Low sensitivity: 0.04-1000 ppb
Med. sensitivity: 0.04-100 ppb
High sensitivity: 0.04-10 ppb
+/- 3% for signal level equivalents of 1 ppb rhodamine WT dye or higher using a rhodamine sensor
0.01 ppb

Sensor housing:
Stainless steel:Standard housing for typical fresh water applications.
Titanium option:Corrosion-resistant housing for use in aggressive saline environments such as oceans, bays and estuaries.
Light Source:
Light Emitting Diode
Excitation Wavelength:
RWT 550 nm
Emission Wavelength:
RWT 600 nm

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