The incandescent light emitted by the sensor light source component of the 1720E low-range turbidity analyzer enters the turbidity analyzer downward, where it encounters suspended particles in the sample and scatters light. The photodetector immersed in the water sample can detect scattered light at a 90° angle to the incident light beam. The continuously flowing water sample passes through a bubble elimination system, which removes air bubbles carried in the sample flow, ensuring the turbidity meter is unaffected by changes in sample flow rate and pressure during measurement, thereby eliminating the main interference factor in low-range turbidity measurement. This is a low-range turbidity analyzer specially designed for precise low-range turbidity measurement.

Application Industries:

The 1720E low-range turbidity analyzer can be used for turbidity monitoring of pre-filter, post-filtration, sedimentation, and effluent water in water supply plants, municipal pipeline water quality monitoring, industrial process water quality monitoring, and turbidity monitoring of circulating cooling water, activated carbon filter effluent, and membrane filtration effluent. It is a stable and widely applicable low-range turbidity meter.

Instrument Features:

● The 1720E low-range turbidity analyzer has a built-in bubble elimination system, ensuring the instrument is unaffected by flow rate and pressure, effectively preventing interference and providing excellent reproducibility.

● This turbidity analyzer uses USEPA (U.S. Environmental Protection Agency) certification methods, offering stronger data versatility.

● The 1720E turbidimeter offers flexible calibration, supporting both 0 and 20 NTU two-point calibration methods—recommended calibration methods; You can also perform single-point calibration by comparison: choose any point within the range of 1-40 NTU.

● The 1720E low-range turbidity meter has multiple auxiliary units displayed besides NTU, including FTU, TE/F, MG/L, providing more data interpretation options.

● This turbidity meter is very easy to clean and maintain; Calibration is performed every three months to reduce maintenance costs.

technical specifications
Range:	0.0001～ 9.9999；10.000～ 99.999NTU； Automatic range selection
Accuracy:	0 ~ 40 NTU, the reading is ±2% or ±0.02, whichever is greater
Accuracy:	40 ~ 100 NTU, ±5% of the reading
Resolution:	0～ 9.9999NTU: 0.0001NTU；
Resolution:	10.000～ 99.999NTU: 0.001NTU
Reproducibility:	is better than the reading ± 1.0% or ± 0.002, whichever is greater
Response time:	Step-by-step response, initial response time is about 1 minute 15 seconds
Signal average:	About 6, 30, 60, 90 seconds users can select; The default user value is about 30 seconds
Sample flow rate:	200～750mL/min
Operating temperature:	For single-sensor systems, 0~50°C; for dual-sensor systems, 0~40°C
Sample temperature:	0 ～ 50℃
Simulated output:	0/4 ~ 20mA optional. Programmable in the range of 0 ~ 100 NTU
Relay:	3 SPDTs, 230VAC, 5A; Setting point alarms is possible
Power requirements:	100~230VAC, 50/60Hz, automatic selection; 40VA
Water inlet pipe:	1/4" NPT internal thread, 1/4" compression fitting (provided).
Drainage pipe:	1/2" NPT internal thread, 1/2" tubing (provided).
Digital Communication:	MODBUS/RS485, MODBUS/RS232, LonWorks protocol, Profibus (optional).
Standard method:	Standard method 2130B, USEPA 180.1, HACH method 8195
Shell:	NEMA-4X/IP66 controller
Size:	Turbidity meter: 25.4 × 30.5 × 40.6 cm

Mailing Address: Building B, No. 168 Jinyan Road, Jianxin Town, Cangshan District, Fuzhou

Postal Code: 350007

Customer Service Hotline: 400-668-8627

Main Line/Fax: 0591-83305533/83305866

Email: fgwater@fuguang.com

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