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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>> 2984100

2984100
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UV Analysis Eliminates Reagents, Sampling, and Sample Conditioning
UV Absorption Method - Proven, Continuous, Precise
Choice of Three Models
Self-Cleaning Sensor
Optional Bypass Panel

UV Analysis Eliminates Reagents, Sampling, and Sample Conditioning

Using advanced ultraviolet (UV) absorption technology, Hach NITRATAX sc UV Nitrate Sensors offer unprecedented simplicity, accuracy, and economy in nitrate analysis. By continuously measuring the UV light absorbed by nitrates, NITRATAX sc sensors eliminate the need for reagents, sample conditioning, and frequent calibrations.

UV Absorption Method - Proven, Continuous, Precise

NITRATAX sc sensors rely on the principle that molecular bonds absorb ultraviolet (UV) light. In this case, nitrate (NO3) and nitrite (NO2) absorb UV light. As the concentration of nitrate or nitrite increases, UV absorption also increases. A built-in photometer measures the primary beam, while a second beam of UV light provides a reference standard and corrects for interference caused by turbidity and organic matter. Results are reported on the controller unit's alphanumeric display in mg/L of nitrate (NO3) or nitratenitrogen (NO3-N).

Choice of Three Models

NITRATAX plus sc Process sensor for continuous measurement in drinking water, wastewater, or activated sludge. Turbidity compensation using reference measurement. NITRATAX eco sc low cost sensor for measurement, especially for sewage treatment plants with intermittent aeration technology. Turbidity compensation using reference measurement. NITRATAX clear sc Process sensor for continuous measurement in clean water such as drinking water or wastewater effluent.

Self-Cleaning Sensor

With the sensor submerged in the sample stream, the detector windows are automatically cleaned by a built-in wiper that eliminate surface films or particles that can diminish accuracy.

Optional Bypass Panel

An optional Bypass Panel or flow-through sample cell is available for clean water applications when direct immersion inOptional Bypass Panel a sample stream is impractical. The Bypass Panel uses the same probes as the immersion sensors for greater flexibility.

What's in the box

Nitrate probe, controller, flow through cell, standard solution, user manual

Specifications

Accuracy:± 3 % of measured value +0.5 mg/l (with standard solutions)

Ambient Temperature:2 to 40 °C (36 to 100 °F)

Cable Length:10 m (30 ft) fixed cable at sensor

Dimensions (H x W x D):8.3 in x 19.7 in x 6.3 in (210 mm x 500 mm x 160 mm)

Lower Limit of Detection (LOD):1 mg/L to 100 NO2+3–N (with standard solutions)

Measurement Method:Patented 2-beam method

Measurement Range 2:with NO? -N standard solutions, 0.1 to 25 mg/L NO2+3 -N

Measurement Range 3:with NO? -N standard solutions, 0.1 to 100.0 mg/L (1mm/0.04 in.), NO2+3-N

Measuring Interval:≥ 1 to 30 min (fixed values selectable)

Measuring Principle:UV absorption measurement, reagent -free

Operating Temperature Range:2 to 40 °C

Path Length:2 mm

Power Consumption:2

Pressure Limit:Sensor pressure limit, 0.5 bar

Range:with NO? -N standard solutions, 0.1 to 50 mg/L (2mm/0.08 in.), NO2+3 -N

Resolution:0.1 mg/L

Response Time:≥ 1 min

Sludge Compensation:yes

Weight:approx. 7.94 lbs. (3.6 kg) without sensor

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