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E-Sense Ammonia (NH3) Electrochemical Gas Detector 0-150ppm

E-Sense is a signature electrochemical gas detector with 2 or 3-wire operation, supporting 4–20mA or 0–20mA controllers in 3-wire mode. It features an adjustable detection range and a test pot for system and alarm testing.

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E-Sense is our new signature range of electrochemical gas detector. This versatile unit boasts several great features including: 2 or 3 wire operation, ability in the 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). New brass design to allow’s you to have options when it comes to servicing, you can either replace the whole brass head or you can just replace the sensor element held within the brass. 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 sinting that will give you an IP53 rating.

Material Sensor

Brass, PTFE

Detectable Gas

Ammonia (NH₃)

Detectable Gas Range

0-150 ppm

Measuring Units

ppm

Sensor Technology

Electrochemical

Sensing Method

Diffusion

Response Time (τ90)

< 75 sec

Warm Up Time

1 min

Resolution

1 ppm

Span Calibration Gas

50 ppm NH3/N2

Zero Calibration Gas

Air or N2 (5.0)

Functional/Bump Test Gas

50 ppm NH3/N2

Potential Sensor Operating Life

2 Years

Modes of Operation

2/3 wire

TWA

25 ppm

STEL

35 ppm

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)

Weight

325 g

Material Enclosure

ABS Plastic

Mounting

Wall Mount

Mounting Height

Mid/High

Operating Temperature

-40 to 50 °C

Operating Humidity

15% to 90% RH (non-condensing)

Operating Pressure

800 to 1200 mbar

IP Rating Enclosure

IP56

IP Rating Sensor

IP22

Warranty

12 Months

Sensor Warranty

12 Months