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