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E-Sense Oxygen (O2) Electrochemical Gas Detector 0-25% vol.

E-Sense is a signature electrochemical gas detector with 3-wire operation, supporting 4–20mA or 0–20mA controllers. It features an adjustable detection range and a test pot for system and alarm testing.

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Meet our E-Sense Oxygen (O2) Electrochemical Gas Detector

E-Sense is our new signature range of the electrochemical gas detectors. This versatile unit boasts several great features including: 3 wire operation, ability in the 3 wire mode to be able to connect to either 4-20mA or 0-20mA controllers, it also boasts the ability to change the sensor detection range by half, other features are a test pot (gives the ability to test system wiring and alarms). Fine, course and span adjustment pots for a more accurate calibration, dedicated mA test points (for a single person calibration at the device). The design to allow’s you to have options when it comes to servicing, you can either replace the whole stainless steel head or you can just replace the sensor element held within the stainless steel. Replacing the sensor element will reduce your servicing costs, all while using this new design has helped us to create a more reliable sensor with a better IP (Ingress Protection) rating with the non-reactive gases that now include a titanium sintering that will give you an IP53 rating.

Detectable Gas

Oxygen (O2)

Detectable Gas Range

0-25% vol.

Measuring Units

% vol.

Sensor Technology

Electrochemical

Sensing Method

Diffusion

Response Time (τ90)

< 5-10 sec

Warm Up Time

1 min

Span Calibration Gas

20.9% vol./N2

Zero Calibration Gas

N2 (5.0)

Functional/Bump Test Gas

18.0% vol./N2

Potential Sensor Operating Life

2 Years

Modes of Operation

2/3 wire

User Interface Type

Calibration/Test potentiometers

Supply Current (Max.)

25 mA @ 24 VDC

Outputs

1 x Analogue

Output Specifications

2-Wire Loop Powered 4-20 mA / 3-Wire 0/4-20 mA

Analogue Output Specifications

560 Ω @ 24 VDC / 830 Ω @ 24 VDC

Dimension

155 x 130 x 70 mm (H, W, D) (PTFE 145 mm H)

Weight

325 g (PTFE 260 g)

Material Enclosure

ABS Plastic

Material Sensor

Stainless Steel

Mounting

Wall Mount

Mounting Height

Mid

Cable Entry

User defined

Operating Temperature

-30 to 50 °C

Operating Humidity

5% to 95% RH (non-condensing)

Operating Pressure

800 to 1200 mbar

IP Rating Enclosure

IP56

IP Rating Sensor

IP53

Warranty

12 Months

Sensor Warranty

12 Months