E-Sense Ammonia (NH3) Electrochemical Gas Detector 0-300ppm
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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 | 0-300 ppm |
Measuring Units | ppm |
Sensor Technology | Electrochemical |
Sensing Method | Diffusion |
Response Time (τ90) | < 75 sec |
Resolution | 2 ppm |
Span Calibration Gas | 250 ppm NH3/N2 |
Zero Calibration Gas | Air or N2 (5.0) |
Functional/Bump Test Gas | 250 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 |
Recommended Supply Voltage | 24 VDC |
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 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 |