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微量氧分析儀

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產(chǎn)品簡介

該微量氧分析儀AMS3160基于電化學(xué)原理。該型號分析儀是一款高精度、長壽命測量技術(shù)、微處理控制的電子分析儀。型號AMS3160是通用性分析儀，量程可以做到0...10ppmO2，0-99%VolO2。可多量程自動切換技術(shù)。

詳細介紹

Measuring principle

Electrochemical oxygen sensor

Measuring range

4, manual changeover

0 … 10, 0 … 100, 0 … 1000, 0 … 10000 ppmv

Analogue signal port

0 … 10 V, 0 (4) … 20mA

Reproducability

+/- 2 % of the measuring value

Resolution

0,01 ppm – C(O2) – 1 ppm

depending on the O2 concentration

T90-Time

ca. 40 seconds

Display

3 ½ digit LCD display

Messages

2 free adjustable messages in relation to the O2 concentration

Gas connection

inlet / outlet 3 / 6 mm ferrule pack

Gas sampling

built-in inlet / outlet valve flowmeter

Sample flow

min. 20 Nl/h, max. 40 Nl/h

Sample pressure

(inlet) min. 1,01 bar abs., max. 2 bar abs.

Sample pressure(measuring cell)

max. 50 mbar pressure

ambient operating temp.

- 0 °C up to + 45 °C

Relative humidity of the gas

0 … 99 % not condensing

Power supply

110 or 230 VAC / 60 - 50 Hz

Protection / Housing / Dimensions

IP 65 / wall mounting housing 300 x 250 x 320 mm

IP 54 / 63 TE, 3 HU portable housing

IP 20 / 19“ rack 3 HU

IP 20 / ½ 19“ electronic housing, 3 HU

IP 20 / ½ 19“ cassette

Weight

8-10 kg

Options

gas pump

pressure reducer (max 10 bar in, 50 mbar out)

automatical bypass- and purge valve

analogue outlet galvanically separated

particle filter 2-7μm

manual 5 way valve

charging unit

protective case

electronically flow control / -alarm

The measuring gas diffuses through a membrane to a thin layer of electrolyte. At the cathode the
oxygen reduces. The free flowing electrons are drifting to the Anode. This generates a electrical
current which is direct proportional to the oxygen concentration of the measuring gas. The use of
electrochemical sensors allows in standard applications the measurement of trace oxygen in a number of complex and aggressive gas mixtures. The fitting sensor for a specific application has to be selected considering the different available electrolytes and electrodes. It is therefore essential to know the physical and chemical application parameters such as temperature, gas pressure, humidity content and the consistency of a specific measuring gas.