Low-Range Turbidity Sensor YG-T1S (Semiconductor / Liquid Cooling)

YG-T1S

The T1S series low-range turbidity sensors are independently developed by YuanGan and tailored for semiconductor manufacturing, data-center liquid-cooling systems and similar duties. They continuously monitor the concentration of suspended particles (turbidity) in coolant, with ranges of 0–20 NTU and 0–100 NTU to meet different cleanliness grades.

Typical applications

Data Center Liquid Cooling Systems
Semiconductor Industry
Piped Direct Drinking Water
Industrial Applications

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Key features

01
Strong working-fluid compatibility
Compatible with ethylene glycol and propylene glycol coolants
02
High precision
Linearity R² ≈ 0.9999
03
ISO 7027 compliant
ISO 7027 international standard
04
Beveled optical window
Bubbles do not easily adhere

Technical Specifications

Range:	0–20 NTU, 0–100 NTU
Resolution:	0.001 NTU
Limit of detection:	0.005 NTU
Accuracy:	2% or ±0.05 NTU (whichever is greater) (based on Formazin primary standard at 25 °C)
Repeatability:	1% (based on Formazin primary standard at 25 °C)
Zero drift:	≤1.5%
Reading stability:	≤1.5%
Measurement method:	90° light scattering method (ISO 7027)
Light source:	860nm laser
Calibration method:	Factory-calibrated, using the default calibration curve; One-point calibration, Formazin two-point calibration, 2- to 6-point custom calibration
Ingress protection:	IP68
Sample pressure:	≤0.6 MPa or water depth ≤60 m
Sample flow rate:	100–1000 mL/min (recommended 500 mL/min)
Operating voltage:	DC 9–28 V
Peak power:	5 W
Housing material:	316L stainless steel
Digital output:	RS485 Modbus
Analog output:	4–20 mA
Operating temperature:	-5 °C~45 °C (non-freezing)
(Note: specifications may change with product improvements; YuanGan reserves the right to modify them.)