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该 AMS3160 基于电化学原理。该型号分析仪是一款高精度、长寿命测量技术、微处理控制的电子分析仪。型号AMS3160是通用性分析仪,最低量程可以做到 0 ... 10 ppm O2,最高0-100%Vol O2。可多量程自动切换技术。
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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.










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