OEM Transmitter for Contactless Oxygen Measurements

Electro-Optical Module EOM-O2-mini

The electro-optical module EOM-O2-mini is a precise OEM solution for contactless measurement with oxygen sensor spots. Assembled according to ISO 9001 it delivers certified quality. In addition, validation and customization of the integrated software is offered to the medical device manufacturing standard EN ISO 13485. Self-consistent test procedures of every individual system ensure high product safety. This OEM transmitter works with sensor type PSt3 (detection limit 15 ppb, 0 – 100 % oxygen).

  • Fast integration with integration package
  • More than a thousand systems in the field
  • Experienced customer support
  • Assembled according to ISO 9001
Get a quote Place an order


Pharma Industry: Oxygen Monitoring in Bags

Bags and single-use bioreactors are in the process of revolutionizing the way biopharmaceuticals are manufactured. Our non-invasive oxygen sensors are the tools to make the cultivation vessels fully disposable. As non-invasive pH sensors are also available, the two key parameters oxygen and pH can be controlled online.

Simple Connection to PLC

PLC programming can be a challenging and time-consuming task. Establishing a stable working connection to third-party hardware via interfaces such as RS485 is error prone. PreSens offers you the right support! We provide LAD-schemes and SCL-scripts, the corresponding TIA-project files and even wiring tables to help you connecting your EOM boards to a Siemens-S7-(1200-)PLC, nearly instantly. Nothing stands in the way of further development into company-specific solutions such as process control. Contact our service team!


Oxygen sensors PSt3 (optical SMA connector)
Phase resolution 0.05°
Sampling rate 0.5 sec. - 120 sec.
Temperature sensor Four-wire Pt100
Temperature performance 0.1 °C + Pt100 accuracy
Supply voltage 7 - 18 V
Power consumption in active mode 1.5 W
Power consumption in stand-by mode 0.6 W
Temperature: operating / storage from 0 °C to + 50 °C / from - 10 °C to + 70 °C
Relative humidity up to 80 % (non condensing)
Dimensions (with add-on board) 40 mm x 100 mm x 22 mm (25 mm)
Weight 70 g
Digital interface RS232 interface (RJ 11 4/4 to DSub9, cable included)
USB interface (RJ 11 4/4 to USB type A, transmitter adapted cable included)

Related products

SP-PSt3-YAU optical O2 sensor spots

Oxygen Sensor Spot SP-PSt3-YAU

Sensor spots are the most versatile version of non-invasive…

SP-PSt3-NAU Optischer O2 Sensor Spot

Oxygen Sensor Spot SP-PSt3-NAU

Sensor spots are the most versatile version of non-invasive…

FTC-PSt3 O2 Flow-Through Cell

O2 Flow-Through Cell FTC-PSt3

Miniaturized chemical optical oxygen sensors integrated in…

FTC-PSt3-YAU Autoclavable O2 Flow-Through Cell

Autoclavable O2 Flow-Through Cell FTC-PSt3-YAU

The FTC-PSt3-YAU is a miniaturized chemical optical oxygen…

FTC-SU-PSt3 single-use flow-through cell with O2 sensor

Single-Use O2 Flow-Through Cell FTC-SU-PSt3-S

Miniaturized chemical optical oxygen sensors integrated in…

FTM-PSt3 Oxygen Probe Integrated in Metal Flow-Through Connector

Oxygen Probe Integrated in Metal Flow-Through Connector FTM-PSt3

An oxygen exchange window is integrated in a metal…

DP-PSt3 optical O2 dipping probe with stainless steel housing

Oxygen Dipping Probe DP-PSt3

The oxygen dipping probe type PSt3 for measurement in normal…

Oxygen Probe for In-Line Measurement OIM-PSt3

Oxygen Probe for In-Line Measurement OIM-PSt3

The oxygen probe for in-line measurement (OIM) consists of a…

DO Nice Port weldable O2 sensor-port for cell culture bags

DO Nice Port

This port with integrated oxygen sensor is for customized…

Temperature Board - Connection to OEM transmitters

Add-on Temperature Board

The Add-on Temperature Board is an accessory for PreSens OEM…

Polymer Optical Fiber POF with two SMA sockets

Polymer Optical Fiber POF

A polymer optical fiber (POF) is needed to transfer…


Presens TV

Watch tutorials, webinars and informative videos about PreSens optical sensor systems.

All videos