Ocean Optics - R1000-4

Manufactured by  Ocean Optics
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pH Probe

The new R1000-4 pH Probe from Ocean Optics is designed to work with non-intrusive reflective pH patches (PH-BCG-REFLECT) but can also be used with our RedEye oxygen sensor patches. 
 
This probe consists of four 100 um plastic fibers arranged in a 3-around-1 configuration. 
 
The three illumination fibers are angled at 25.5° to focus light to the center of the sensor patch. 
 
The R1000-4's design greatly increases back reflection -- improving the signal-to-noise ratio. This is critical for ambient light and color immunity that makes our sensors so unique and efficient.
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General Specifications
pH Range5 to 9
pH Meter Temperature Range-5 to 60 °C
Additional Specifications

Analytical wavelength:  
617 nm 
Baseline correction wavelengths:  
509 nm (isosbestic) or 800 nm 
User calibration accuracy:  
Up to 2% of reading 
Factory reset accuracy:  
0% at reset point 
1% within 1 pH unit of reset 
Up to 4% at 3 pH units from reset 
Resolution:  
~0.03 pH unit in most cases 
Response time (t90):  
30 seconds depending on salinity of sample and liquid flow at sensor interface 
Sterilization:  
Gamma, EtO

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