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Run #148
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Simulated Result • Demo Data
Experimental screening estimation — not validated as regulatory proof of potable safety.
Sample Identifier
SMP-2026-0518
Tap Water • Municipal, Ward 7
Timestamp
12 May 2026
11:20 AM EST
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Estimated Free Residual Chlorine
0.42
mg/L Cl₂
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Within Target Range (0.20 – 0.50 mg/L)
Derived from TMB optical chromogenic kinetic absorbance via ESP32-CAM module.
0.0 mg/L (Low)
Target: 0.20 - 0.50 mg/L
1.0+ mg/L (High)
0.42
0.00
0.20
0.50
1.00+
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Analysis Interpretation
The estimated free residual chlorine level of 0.42 mg/L conforms to standard municipal distribution benchmarks (0.20 to 0.50 mg/L), indicating adequate disinfection barrier against biological re-contamination.
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Notice: Field screening estimates provide rapid directional feedback. For official regulatory audit reporting, proceed with standard DPD-1 colorimetric laboratory verification.
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OV2640 Active
Optical Strip Diagnostics
ENCLOSURE: OPTICAL_CELL_A
Exposure Calibrated
TMB Reaction
ΔE: 14.82 • 0.42 mg/L
Z1
Ref Gray
Neutral 18%
Z2
Color Shift: CIE L*a*b* Standardized
Illumination: 5500K LED
Source Classification
Tap / Potable Main
Diagnostic Sensor
ESP32-CAM (OV2640)
Optics & Light
5500K Diffused Matrix
Engine / Model
OpenCV Chromaticity v1.4
Device Firmware
v2.4.1-build89
Detection limit: 0.10 mg/L lower threshold. Reaction stabilized at 60-second read interval.
