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 |