AMS 3140 Ex

We don’t manufacture the AMS 3140 Ex anymore, but we ensure the service and maintenance.


Technical data

Analyser AMS 3140
Measuring principle Electrochemical Oxygen Sensor
Application Gases Industries, Chemical Industries
Measuring ranges max. 2, automatic switch-over, digital range recognition
Measuring range 0 … 10, 0 … 10000 ppmv
Analogue signal port (0) 4 … 20mA, galvanically separated
with automatic switch-over and digital range recognition
Reproducability +/- 2 % of measuring range
Resolution 0,01 ppm – C(O2) – 1 ppm
depending on O2 concentration
T90-Time ca. 40 Seconds
Display 8 digit LCD Display, illuminated, for measuring values
2* 20 digit LCD Display, illuminated, for operator settings
Messages 2 potential free adjustable messages
Gas connection Inlet / Outlet 3 / 6 mm Ferrule pack
Gas sampling integrated Inlet- / Outlet valve, mechanical flow meter
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 Over pressure
Digital communication serial Interface RS 232
Ambient operating temp. - 5 °C bis + 45 °C
Relative Humidity 0 … 99 % not condensing
Power supply 24 VDC
Protection / Housing IP 65 / Wall mounted housing /
Dimensions 400 x 500 x 200 (HxBxT)
Ex-classification Certification: IBExU10ATEX1136
ATEX II 2(1)G Ex de (ia Ga) IIC T6 Gb
Weight 18 kg
Options Manual By-pass and Purge valve
Pressure reducer max. 10 bar, out 50 mbar
Version: AMS 3140 E V01-2011-07