COD sensor

SS306-01-N01-GAS

自清洗 COD 数据采集单元

产品亮点

● Reagent-free dual-wavelength UV absorption.
● Integrated self-cleaning with turbidity and temperature compensation.
● 7-inch capacitive touchscreen with local historical-data storage.
● 4G upload, Bluetooth configuration and two relay outputs.

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产品概述

• SS306-01-N01-GAS measures chemical oxygen demand (COD) using dual-wavelength ultraviolet absorption without chemical reagents. • The integrated self-cleaning system reduces biofouling, with automatic temperature and turbidity compensation for field stability. • The 7-inch touchscreen supports real-time and historical data; 4G upload and Bluetooth configuration support remote operation.

Item	Specification
Power Supply	AC 220 V, 50 Hz
Typical Power Consumption	13 W normal; 17 W during self-cleaning
Communication / Upload	4G upload; RS485 probe channel
Measurement Principle	Dual-wavelength ultraviolet absorption
COD Measurement Range	0–500 mg/L equiv. KHP
Turbidity Measurement Range	0–200 NTU
COD Measurement Accuracy	±5% FS equiv. KHP at 25 °C
Turbidity Accuracy	±5% FS at 25 °C
COD Resolution	0.1 mg/L
Turbidity Resolution	0.1 NTU
Temperature Resolution	0.1 °C
Temperature Accuracy	±0.5 °C
Repeatability	±1% FS equiv. KHP at 25 °C
Response Time	≤20 s
Operating Conditions	Host: −20–60 °C, 10–90% RH non-condensing; probe: 0–40 °C
Ingress Protection	Host IP54; probe IP68
Flow Velocity	<3 m/s
Pressure Resistance	<0.1 MPa
Data Upload Interval	20 s default; configurable
Relay Output	2 relays; 250 VAC / 30 VDC, 3 A
Data Storage	Up to 520,000 records
Cable Length	5 m by default; custom length available
Housing Material	Composite host and probe housing; stainless option available
Recommended Calibration / Maintenance	Every 3 months
Self-cleaning System Life	About 18 months; depends on cleaning frequency