AMS 3120

The AMS 3126 is the successor of the old AMS 3120 trace oxygen analyser. We don’t manufacture the AMS 3120 anymore, but we ensure the service and maintenance.


Technical data

Analyser AMS 3120
Measuring priciple Electrochemical Oxygen Sensor
Application Gases industries, Chemical Industries
Measuring range 4, automatically changing, with digital identification
0 … 1, 0 … 5, 0 … 10, 0 … 25 Vol % or
0 … 10, 0 … 100, 0 … 1000, 0 … 10000 ppmv
Analogue signal port (0) 4 … 20mA, galvanically separated
Reproducability +/- 2 % of the measuring value
Resolution 0,01 ppm – C(O2) – 0,01 %
depending on O2 concentration and application
T90-Time ca. 40 seconds
Display 2* 20 digit, illuminated LCD display
Messages 2 free adjustable isolated changeover relays
Gas connection inlet / outlet 3 / 6 mm ferrule pack
Gas sampling built-in inlet / outlet valve
flowmeter, pressure reducer
Sample flow min. 40 Nl/h, max. 70 Nl/h / purge gas 3 Nl/h
Sample pressure (inlet) min. 1,01 bar abs., max. 10 bar abs.
Sample pressure (sensor) max. 50 mbar pressure
Ambient operating temp. - 5 °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 IP20 / portable housing / 450 x 177 x 386 mm (bxhxt)
IP20 / 19" rack 6 HU
Weight 10-12 kg
Options 5-way bypass- and purge valve, manual and
auto-calibration
Version: AMS 3120 E V01-2010-12