Touchless Mechanism to Detect Rhodamine B Concentration in Distilled Water Using Fiber Bundle

Table 1

Characteristics of rhodamine B concentration sensor using concentric and a pair bundle probes.

Parameters	Value
	Concentric bundle probe		A pair bundle probe
	Valley	Peak	Valley	Peak
Sensor range (ppm)	0–20	0–20	0–20	0–20
Linear region (ppm)	0–20	0–20	0–20	0–20
Linearity (%)	99.9	99.8	99.7	99.9
Sensitivity (mV/ppm)	2.66	2.57	1.36	2.04
Resolution (ppm)	0.6	0.6	1.1	0.7