目錄:上海鉑勒機(jī)電設(shè)備有限公司>>水質(zhì)分析儀器>>其他水質(zhì)分析儀及配件>> LXV418.99.20002
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Continuous UV 254 Absorbance/Transmittance measurements can be used to protect plant treatment processes from high organic loads. Analysis range of 2mm probe is 0-1500 m-1. Use for the following appli
Use the Hach UVAS plus sc UV Absorbance/Transmittance Sensor to continuously protect plant treatment processes from high influent organic loads. Operators can use the continuous readings of UV absorbance or transmission to watch for sudden changes in organic load that would require alternate treatment procedures.
Activated sludge processes require precise balancing of organic load, aeration, and nutrients. Continuous trending of the organics in the system with the UVAS plus sc sensor can help operators know how to balance other factors resulting in cost and time savings.
With the UVAS plus sc sensor submerged in the sample stream, the detector windows are automatically cleaned by a built-in wiper that eliminates surface films or particles that can diminish accuracy.
UV light transmittance （UVT） is critical in the delivery of dose in a UV reactor. The delivered dose is determined by, among other things, the UVT of the source water, the intensity of the UV lamps, and the flow rate of the water source. UVT can be affected by many factors, from a simple change in the seasons to storm events. Potential changes in UVT should be considered in a UV disinfection system for optimized dose delivery. Hach's UVAS plus sc is designed to provide continuous UVT measurement of pre-disinfected source water. Operational costs related to sampling for UVT may be reduced with continuous online measurement. Data can immediay be incorporated into the operation in real time.
Diagnostic routines built into the UVAS plus sc sensor reduce the need for extensive calibration and maintenance. Only semi-yearly inspection and replacement of the wiper and seals is needed.
SAC probe, user manual
Cable Length:10 m fixed cable at sensor
Compensation:550
Dimensions （D x L）:2.76 in x 13.11 in （70 mm x 333 mm）
Length:13.1 in （ 333 mm ）
Maintenance Requirements:1 h/month in standard applications
Measurement Method:UV absorption measurement （patented 2-beam technique）
Measuring Interval:1 min
Measuring Principle 2:SAC 254 in accordance with DIN 38404 C3
Operating Temperature Range:2 to 40 °C
Path Length:1 mm
Pressure Limit:0.5 bar
Service Interval:6 months
User Maintenance:1 h/month
Weight:7.94 lbs. （3.6 kg）
- See more at: http://www.hach.com/uvas-sc-2-mm-sensor-only-/product-details?id=7640096657&callback=qs#sthash.8ozYcnYj.dpuf
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